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1. general description the 74avch20t245 is a 20-bit, dual supply tran sceiver that enables bi-directional voltage level translation. the device can be used as two 10-bit transceivers or as a single 20-bit transceiver. it features four 10-bit input-output ports (1an, 1bn and 2an, 2bn), two output enable inputs (noe ), two direction inputs (ndir) and dual supplies (v cc(a) and v cc(b) ). v cc(a) and v cc(b) can be independently supplied at any voltage between 0.8 v and 3.6 v making the device suitable for bi-directional voltage level translation between any of the low voltage nodes: 0.8 v, 1.2 v, 1.5 v, 1.8 v, 2.5 v and 3.3 v. the 1an and 2an ports, noe and ndir are referenced to v cc(a) , the 1bn and 2bn ports are referenced to v cc(b) . a high on a 1dir allows tran smission from 1an to 1bn and a low on 1dir allows transmission from 1bn to 1an. a high on noe causes the outputs to assume a high impedance off-state. the device is fully specified for pa rtial power-down applications using i off . the i off circuitry disables the output, preventing any damaging backflow current through the device when it is powered down. in suspend mode when either v cc(a) or v cc(b) are at gnd level, all output ports will assume a high impedance off-state. the bus hold circuitry on the powered-up side always stays active. 2. features and benefits ? wide supply voltage range: ? v cc(a) : 0.8 v to 3.6 v ? v cc(b) : 0.8 v to 3.6 v ? complies with jedec standards: ? jesd8-12 (0.8 v to 1.3 v) ? jesd8-11 (0.9 v to 1.65 v) ? jesd8-7 (1.2 v to 1.95 v) ? jesd8-5 (1.8 v to 2.7 v) ? jesd8-b (2.7 v to 3.6 v) ? esd protection: ? hbm jesd22-a114e class 3b exceeds 8000 v ? mm jesd22-a115-a exceeds 200 v ? cdm jesd22-c101c exceeds 1000 v ? maximum data rates: ? 380 mbit/s ( ? 1.8 v to 3.3 v translation) ? 260 mbit/s ( ? 1.1 v to 3.3 v translation) ? 260 mbit/s ( ? 1.1 v to 2.5 v translation) 74avch20t245 20-bit dual supply translating transceiver wi th configurable voltage translation; 3-state rev. 4 ? 14 december 2011 product data sheet
74avch20t245 all information provided in this document is subject to legal disclaimers. ? nxp b.v. 2011. all rights reserved. product data sheet rev. 4 ? 14 december 2011 2 of 28 nxp semiconductors 74avch20t245 20-bit dual supply translating transceiver; 3-state ? 210 mbit/s ( ? 1.1 v to 1.8 v translation) ? 120 mbit/s ( ? 1.1 v to 1.5 v translation) ? 100 mbit/s ( ? 1.1 v to 1.2 v translation) ? suspend mode ? bus hold on data inputs ? latch-up performance exceeds 100 ma per jesd 78 class ii ? inputs accept voltages up to 3.6 v ? i off circuitry provides partial power-down mode operation ? multiple package options ? specified from ? 40 ? cto+85 ? c and ? 40 ? cto+125 ? c 3. ordering information [1] also known as tvsop56. 4. functional diagram table 1. ordering information type number package temperature range name description version 74avch20t245dgg ? 40 ? c to +125 ? c tssop56 plastic thin shrink smal l outline package; 56 leads; body width 6.1 mm sot364-1 74AVCH20T245DGV ? 40 ? c to +125 ? c tssop56 [1] plastic thin shrink small outline package; 56 leads; body width 4.4 mm sot481-2 74avch20t245bx ? 40 ? c to +125 ? c hxqfn60u plastic thermal enhanced extremely thin quad flat package; no leads; 60 terminals; utlp based; body 4 ? 6 ? 0.5 mm sot1134-1 fig 1. logic diagram 001aal240 1dir 1a1 1oe 1b1 to other nine channels v cc(a) v cc(b) 2dir 2a1 2oe 2b1 to other nine channels v cc(a) v cc(b)
74avch20t245 all information provided in this document is subject to legal disclaimers. ? nxp b.v. 2011. all rights reserved. product data sheet rev. 4 ? 14 december 2011 3 of 28 nxp semiconductors 74avch20t245 20-bit dual supply translating transceiver; 3-state fig 2. logic symbol 001aal239 2 1oe 56 1 1dir v cc(a) v cc(b) 55 1a1 3 54 1a2 5 52 1a3 6 51 1a4 8 49 1a5 9 48 1a6 10 47 1a7 12 45 1a8 13 44 1a9 14 43 1a10 1b1 1b2 1b3 1b4 1b5 1b6 1b7 1b8 1b9 1b10 15 2oe 29 28 2dir v cc(a) v cc(b) 42 2a1 16 41 2a2 17 40 2a3 19 38 2a4 20 37 2a5 21 36 2a6 23 34 2a7 24 33 2a8 26 31 2a9 27 30 2a10 2b1 2b2 2b3 2b4 2b5 2b6 2b7 2b8 2b9 2b10
74avch20t245 all information provided in this document is subject to legal disclaimers. ? nxp b.v. 2011. all rights reserved. product data sheet rev. 4 ? 14 december 2011 4 of 28 nxp semiconductors 74avch20t245 20-bit dual supply translating transceiver; 3-state 5. pinning information 5.1 pinning fig 3. pin configuration sot364-1 (tssop56) and sot481-2 (tssop56) 74avch20t245 1dir 1oe 1b1 1a1 1b2 1a2 gnd gnd 1b3 1a3 1b4 1a4 v cc(b) v cc(a) 1b5 1a5 1b6 1a6 1b7 1a7 gnd gnd 1b8 1a8 1b9 1a9 1b10 1a10 2b1 2a1 2b2 2a2 2b3 2a3 gnd gnd 2b4 2a4 2b5 2a5 2b6 2a6 v cc(b) v cc(a) 2b7 2a7 2b8 2a8 gnd gnd 2b9 2a9 2b10 2a10 2dir 2oe 001aal242 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29
74avch20t245 all information provided in this document is subject to legal disclaimers. ? nxp b.v. 2011. all rights reserved. product data sheet rev. 4 ? 14 december 2011 5 of 28 nxp semiconductors 74avch20t245 20-bit dual supply translating transceiver; 3-state (1) this is not a supply pin. the substrat e is attached to this pad us ing conductive die attach mate rial. there is no electrical or mechanical requirement to solder this pad. however, if it is soldered, the solder land should remain floating or be connected t o gnd. fig 4. pin configuration sot1134-1 (hxqfn60u) 001aao234 74avch20t245 d1 a32 a31 a30 a29 a28 a27 d4 b18b19b20 a1 a2 b8 b9 gnd (1) b10 d7 d3 d6 d2 a11 a12 a13 a14 a15 a16 d8 a26 a25 a24 a23 a22 a21 a20 a19 a18 a17 b17 b16 b15 b14 b13 b12 b11 b1 b2 b3 b4 b5 b6 b7 a3 a4 a5 a6 a7 a8 a9 a10 d5 terminal a1 index area
74avch20t245 all information provided in this document is subject to legal disclaimers. ? nxp b.v. 2011. all rights reserved. product data sheet rev. 4 ? 14 december 2011 6 of 28 nxp semiconductors 74avch20t245 20-bit dual supply translating transceiver; 3-state 5.2 pin description [1] all gnd pins must be connected to ground (0 v). 6. functional description [1] h = high voltage level; l = low voltage level; x = don?t care; z = high-impedance off-state. [2] if at least one of v cc(a) or v cc(b) is at gnd level, the device goes into suspend mode. [3] the nan, ndir and noe input circuit is referenced to v cc(a) ; the nbn input circuit is referenced to v cc(b) . table 2. pin description symbol pin description sot364-1 and sot481-2 sot1134-1 1dir, 2dir 1, 28 a30, a13 direction control 1b1 to 1b10 2, 3, 5, 6, 8, 9, 10, 12, 13, 14 b20, a31, d5, d1, b1, a2, b2, a4, b3, a5 data input or output 2b1 to 2b10 15, 16, 17, 19, 20, 21, 23, 24, 26, 27 a6, b5, a7, b6, a9, b7, d2, d6, a12, b8 data input or output gnd [1] 4, 11, 18, 25, 32, 39, 46, 53 a32, a3, a8, a11, a16, a19, a24, a27 ground (0 v) v cc(b) 7, 22 a1, a10 supply voltage b (nbn inputs are referenced to v cc(b) ) 1oe , 2oe 56, 29 a29, a14 output e nable input (active low) 1a1 to 1a10 55, 54, 52, 51, 49, 48, 47, 45, 44, 43 b18, a28, d8, d4, b17, a25, b16, a23, b15, a22 data input or output 2a1 to 2a10 42, 41, 40, 38, 37, 36, 34, 33, 31, 30 a21, b13, a20, b12, a18, b11, d3, d7, a15, b10 data input or output v cc(a) 35, 50 a17, a26 supply voltage a (nan, noe and ndir inputs are referenced to v cc(a) ) n.c. - b4, b9, b14, b19 not connected table 3. function table [1] supply voltage input input/output [2] v cc(a) , v cc(b) noe [3] ndir [3] nan [3] nbn [3] 0.8 v to 3.6 v l l nan = nbn input 0.8 v to 3.6 v l h input nbn = nan 0.8 v to 3.6 v h x z z gnd [2] xxzz
74avch20t245 all information provided in this document is subject to legal disclaimers. ? nxp b.v. 2011. all rights reserved. product data sheet rev. 4 ? 14 december 2011 7 of 28 nxp semiconductors 74avch20t245 20-bit dual supply translating transceiver; 3-state 7. limiting values [1] the minimum input and minimum output voltage ratings may be ex ceeded if the input and output clamping current ratings are ob served. [2] v cco is the supply voltage associated with the output port. [3] v cco + 0.5 v should not exceed 4.6 v. [4] above 55 ? c the value of p tot derates linearly with 8.0 mw/k. [5] above 70 ? c the value of p tot derates linearly with 1.8 mw/k. 8. recommended operating conditions [1] v cco is the supply voltage associated with the output port. [2] v cci is the supply voltage associated with the input port. table 4. limiting values in accordance with the absolute maximum rating system (iec 60134). voltages are referenced to gnd (ground = 0 v). symbol parameter conditions min max unit v cc(a) supply voltage a ? 0.5 +4.6 v v cc(b) supply voltage b ? 0.5 +4.6 v i ik input clamping current v i <0v ? 50 - ma v i input voltage [1] ? 0.5 +4.6 v i ok output clamping current v o <0v ? 50 - ma v o output voltage active mode [1] [2] [3] ? 0.5 v cco +0.5 v suspend or 3-state mode [1] ? 0.5 +4.6 v i o output current v o =0vtov cco [2] - ? 50 ma i cc supply current i cc(a) or i cc(b) -1 0 0m a i gnd ground current ? 100 - ma t stg storage temperature ? 65 +150 ?c p tot total power dissipation t amb = ? 40 ? c to +125 ?c tssop56 package [4] -6 0 0m w hxqfn60u package [5] - 1000 mw table 5. recommended operating conditions symbol parameter conditions min max unit v cc(a) supply voltage a 0.8 3.6 v v cc(b) supply voltage b 0.8 3.6 v v i input voltage 0 3.6 v v o output voltage active mode [1] 0v cco v suspend or 3-state mode 0 3.6 v t amb ambient temperature ? 40 +125 ?c ? t/ ? v input transition rise and fall rate v cci = 0.8 v to 3.6 v [2] -5n s / v
74avch20t245 all information provided in this document is subject to legal disclaimers. ? nxp b.v. 2011. all rights reserved. product data sheet rev. 4 ? 14 december 2011 8 of 28 nxp semiconductors 74avch20t245 20-bit dual supply translating transceiver; 3-state 9. static characteristics [1] v cco is the supply voltage associated with the output port. [2] v cci is the supply voltage associated with the data input port. [3] the bus hold circuit can sink at least the minimum low sustaining current at v il max. i bhl should be measured after lowering v i to gnd and then raising it to v il max. [4] the bus hold circuit can source at leas t the minimum high sustaining current at v ih min. i bhh should be measured after raising v i to v cc and then lowering it to v ih min. [5] an external driver must source at least i bhlo to switch this node from low to high. [6] an external driver must sink at least i bhho to switch this node from high to low. [7] for i/o ports, the parameter i oz includes the input leakage current. table 6. typical static characteristics at t amb = 25 ?c [1] [2] at recommended operating conditions; volt ages are referenced to gnd (ground = 0 v). symbol parameter conditions min typ max unit v oh high-level output voltage v i = v ih or v il i o = ? 1.5 ma; v cc(a) =v cc(b) = 0.8 v - 0.69 - v v ol low-level output voltage v i = v ih or v il i o = 1.5 ma; v cc(a) =v cc(b) = 0.8 v - 0.07 - v i i input leakage current ndir, noe input; v i = 0 v or 3.6 v; v cc(a) =v cc(b) = 0.8 v to 3.6 v - ? 0.025 ? 0.25 ? a i bhl bus hold low current a or b port; v i =0.42v;v cc(a) =v cc(b) = 1.2 v [3] -26- ? a i bhh bus hold high current a or b port; v i =0.78v;v cc(a) =v cc(b) =1.2v [4] - ? 24 - ? a i bhlo bus hold low overdrive current a or b port; v cc(a) = v cc(b) = 1.2 v [5] -27- ? a i bhho bus hold high overdrive current a or b port; v cc(a) = v cc(b) = 1.2 v [6] - ? 26 - ? a i oz off-state output current a or b port; v o =0 vor v cco ; v cc(a) =v cc(b) =3.6v [7] - ? 0.5 ? 2.5 ? a suspend mode a port; v o =0vorv cco ; v cc(a) = 3.6 v; v cc(b) =0v [7] - ? 0.5 ? 2.5 ? a suspend mode b port; v o =0vorv cco ; v cc(a) =0 v; v cc(b) =3.6v [7] - ? 0.5 ? 2.5 ? a i off power-off leakage current a port; v i or v o = 0 v to 3.6 v; v cc(a) =0v;v cc(b) = 0.8 v to 3.6 v - ? 0.1 ? 1 ? a b port; v i or v o = 0 v to 3.6 v; v cc(b) =0v;v cc(a) = 0.8 v to 3.6 v - ? 0.1 ? 1 ? a c i input capacitance ndir, noe input; v i = 0 v or 3.3 v; v cc(a) =v cc(b) =3.3v -2.0-pf c i/o input/output capacitance a and b port; v o = 3.3 v or 0 v; v cc(a) =v cc(b) =3.3v -4.0-pf
74avch20t245 all information provided in this document is subject to legal disclaimers. ? nxp b.v. 2011. all rights reserved. product data sheet rev. 4 ? 14 december 2011 9 of 28 nxp semiconductors 74avch20t245 20-bit dual supply translating transceiver; 3-state table 7. static characteristics [1] [2] at recommended operating conditions; volt ages are referenced to gnd (ground = 0 v). symbol parameter conditions ? 40 ? c to +85 ?c ? 40 ? c to +125 ?c unit min max min max v ih high-level input voltage data input v cci = 0.8 v 0.70v cci -0.70v cci -v v cci = 1.1 v to 1.95 v 0.65v cci -0.65v cci -v v cci = 2.3 v to 2.7 v 1.6 - 1.6 - v v cci = 3.0 v to 3.6 v 2 - 2 - v ndir, noe input v cc(a) = 0.8 v 0.70v cc(a) - 0.70v cc(a) -v v cc(a) = 1.1 v to 1.95 v 0.65v cc(a) - 0.65v cc(a) -v v cc(a) = 2.3 v to 2.7 v 1.6 - 1.6 - v v cc(a) = 3.0 v to 3.6 v 2 - 2 - v v il low-level input voltage data input v cci = 0.8 v - 0.30v cci - 0.30v cci v v cci = 1.1 v to 1.95 v - 0.35v cci - 0.35v cci v v cci = 2.3 v to 2.7 v - 0.7 - 0.7 v v cci = 3.0 v to 3.6 v - 0.8 - 0.8 v ndir, noe input v cc(a) = 0.8 v - 0.30v cc(a) - 0.30v cc(a) v v cc(a) = 1.1 v to 1.95 v - 0.35v cc(a) - 0.35v cc(a) v v cc(a) = 2.3 v to 2.7 v - 0.7 - 0.7 v v cc(a) = 3.0 v to 3.6 v - 0.8 - 0.8 v v oh high-level output voltage v i = v ih or v il i o = ? 100 ? a; v cc(a) =v cc(b) = 0.8 v to 3.6 v v cco ? 0.1 - v cco ? 0.1 - v i o = ? 3ma; v cc(a) =v cc(b) = 1.1 v 0.85 - 0.85 - v i o = ? 6ma; v cc(a) =v cc(b) = 1.4 v 1.05 - 1.05 - v i o = ? 8ma; v cc(a) =v cc(b) =1.65v 1.2 - 1.2 - v i o = ? 9ma; v cc(a) =v cc(b) = 2.3 v 1.75 - 1.75 - v i o = ? 12 ma; v cc(a) =v cc(b) =3.0v 2.3 - 2.3 - v v ol low-level output voltage v i = v ih or v il i o = 100 ? a; v cc(a) =v cc(b) = 0.8 v to 3.6 v -0.1-0.1v i o = 3 ma; v cc(a) =v cc(b) = 1.1 v - 0.25 - 0.25 v i o = 6 ma; v cc(a) =v cc(b) = 1.4 v - 0.35 - 0.35 v i o = 8 ma; v cc(a) =v cc(b) = 1.65 v - 0.45 - 0.45 v i o = 9 ma; v cc(a) =v cc(b) = 2.3 v - 0.55 - 0.55 v i o = 12 ma; v cc(a) =v cc(b) =3.0v - 0.7 - 0.7 v i i input leakage current ndir, noe input; v i = 0 v or 3.6 v; v cc(a) =v cc(b) = 0.8 v to 3.6 v - ? 1- ? 5 ? a
74avch20t245 all information provided in this document is subject to legal disclaimers. ? nxp b.v. 2011. all rights reserved. product data sheet rev. 4 ? 14 december 2011 10 of 28 nxp semiconductors 74avch20t245 20-bit dual supply translating transceiver; 3-state i bhl bus hold low current a or b port [3] v i = 0.49 v; v cc(a) =v cc(b) =1.4v 15 - 15 - ? a v i = 0.58 v; v cc(a) =v cc(b) =1.65v 25 - 25 - ? a v i = 0.70 v; v cc(a) =v cc(b) =2.3v 45 - 45 - ? a v i = 0.80 v; v cc(a) =v cc(b) = 3.0 v 100 - 90 - ? a i bhh bus hold high current a or b port [4] v i = 0.91 v; v cc(a) =v cc(b) =1.4v ? 15 - ? 15 - ? a v i = 1.07 v; v cc(a) =v cc(b) =1.65v ? 25 - ? 25 - ? a v i = 1.60 v; v cc(a) =v cc(b) =2.3v ? 45 - ? 45 - ? a v i = 2.00 v; v cc(a) =v cc(b) =3.0v ? 100 - ? 100 - ? a i bhlo bus hold low overdrive current a or b port [5] v cc(a) = v cc(b) = 1.6 v 125 - 125 - ? a v cc(a) = v cc(b) = 1.95 v 200 - 200 - ? a v cc(a) = v cc(b) = 2.7 v 300 - 300 - ? a v cc(a) = v cc(b) = 3.6 v 500 - 500 - ? a i bhho bus hold high overdrive current a or b port [6] v cc(a) = v cc(b) = 1.6 v ? 125 - ? 125 - ? a v cc(a) = v cc(b) = 1.95 v ? 200 - ? 200 - ? a v cc(a) = v cc(b) = 2.7 v ? 300 - ? 300 - ? a v cc(a) = v cc(b) = 3.6 v ? 500 - ? 500 - ? a i oz off-state output current a or b port; v o =0 vor v cco ; v cc(a) =v cc(b) =3.6v [7] - ? 5- ? 30 ? a suspend mode a port; v o =0vorv cco ; v cc(a) =3.6 v; v cc(b) =0v [7] - ? 5- ? 30 ? a suspend mode b port; v o =0vorv cco ; v cc(a) =0 v; v cc(b) =3.6v [7] - ? 5- ? 30 ? a i off power-off leakage current a port; v i or v o = 0 v to 3.6 v; v cc(a) =0v; v cc(b) = 0.8 v to 3.6 v - ? 5- ? 30 ? a b port; v i or v o = 0 v to 3.6 v; v cc(b) =0v; v cc(a) = 0.8 v to 3.6 v - ? 5- ? 30 ? a table 7. static characteristics ?continued [1] [2] at recommended operating conditions; volt ages are referenced to gnd (ground = 0 v). symbol parameter conditions ? 40 ? c to +85 ?c ? 40 ? c to +125 ?c unit min max min max
74avch20t245 all information provided in this document is subject to legal disclaimers. ? nxp b.v. 2011. all rights reserved. product data sheet rev. 4 ? 14 december 2011 11 of 28 nxp semiconductors 74avch20t245 20-bit dual supply translating transceiver; 3-state [1] v cco is the supply voltage associated with the output port. [2] v cci is the supply voltage associated with the data input port. [3] the bus hold circuit can sink at least the minimum low sustaining current at v il max. i bhl should be measured after lowering v i to gnd and then raising it to v il max. [4] the bus hold circuit can source at leas t the minimum high sustaining current at v ih min. i bhh should be measured after raising v i to v cc and then lowering it to v ih min. [5] an external driver must source at least i bhlo to switch this node from low to high. [6] an external driver must sink at least i bhho to switch this node from high to low. [7] for i/o ports, the parameter i oz includes the input leakage current. i cc supply current a port; v i = 0 v or v cci ; i o = 0 a v cc(a) = 0.8 v to 3.6 v; v cc(b) = 0.8 v to 3.6 v -45-190 ? a v cc(a) = 1.1 v to 3.6 v; v cc(b) = 1.1 v to 3.6 v -35-140 ? a v cc(a) = 3.6 v; v cc(b) = 0 v - 35 - 140 ? a v cc(a) = 0 v; v cc(b) = 3.6 v ? 5- ? 20 - ? a b port; v i = 0 v or v cci ; i o = 0 a v cc(a) = 0.8 v to 3.6 v; v cc(b) = 0.8 v to 3.6 v -45-190 ? a v cc(a) = 1.1 v to 3.6 v; v cc(b) = 1.1 v to 3.6 v -35-140 ? a v cc(a) = 3.6 v; v cc(b) = 0 v ? 5- ? 20 - ? a v cc(a) = 0 v; v cc(b) = 3.6 v - 35 - 140 ? a a plus b port (i cc(a) + i cc(b) ); i o =0a; v i =0 vor v cci ; v cc(a) = 0.8 v to 3.6 v; v cc(b) = 0.8 v to 3.6 v -80-270 ? a a plus b port (i cc(a) + i cc(b) ); i o =0a; v i =0 vor v cci ; v cc(a) = 1.1 v to 3.6 v; v cc(b) = 1.1 v to 3.6 v -65-220 ? a table 7. static characteristics ?continued [1] [2] at recommended operating conditions; volt ages are referenced to gnd (ground = 0 v). symbol parameter conditions ? 40 ? c to +85 ?c ? 40 ? c to +125 ?c unit min max min max table 8. typical total supply current (i cc(a) + i cc(b) ) v cc(a) v cc(b) unit 0 v 0.8 v 1.2 v 1.5 v 1.8 v 2.5 v 3.3 v 0 v 0 0.1 0.1 0.1 0.1 0.1 0.1 ? a 0.8 v 0.1 0.1 0.1 0.1 0.1 0.3 1.6 ? a 1.2 v 0.1 0.1 0.1 0.1 0.1 0.1 0.8 ? a 1.5 v 0.1 0.1 0.1 0.1 0.1 0.1 0.4 ? a 1.8 v 0.1 0.1 0.1 0.1 0.1 0.1 0.2 ? a 2.5 v 0.1 0.3 0.1 0.1 0.1 0.1 0.1 ? a 3.3 v 0.1 1.6 0.8 0.4 0.2 0.1 0.1 ? a
74avch20t245 all information provided in this document is subject to legal disclaimers. ? nxp b.v. 2011. all rights reserved. product data sheet rev. 4 ? 14 december 2011 12 of 28 nxp semiconductors 74avch20t245 20-bit dual supply translating transceiver; 3-state 10. dynamic characteristics [1] c pd is used to determine the dynamic power dissipation (p d in ? w). p d =c pd ? v cc 2 ? f i ? n+ ? (c l ? v cc 2 ? f o ) where: f i = input frequency in mhz; f o = output frequency in mhz; c l = load capacitance in pf; v cc = supply voltage in v; n = number of inputs switching; ? (c l ? v cc 2 ? f o ) = sum of the outputs. [2] f i = 10 mhz; v i =gndtov cc ; t r = t f = 1 ns; c l = 0 pf; r l = ? ? . table 9. typical power dissi pation capacitance at v cc(a) = v cc(b) and t amb = 25 ?c [1] [2] voltages are referenced to gnd (ground = 0 v). symbol parameter conditions v cc(a) = v cc(b) unit 0.8 v 1.2 v 1.5 v 1.8 v 2.5 v 3.3 v c pd power dissipation capacitance a port: (direction a to b); output enabled 0.2 0.2 0.2 0.2 0.3 0.4 pf a port: (direction a to b); output disabled 0.2 0.2 0.2 0.2 0.3 0.4 pf a port: (direction b to a); output enabled 9.5 9.7 9.8 9.9 10.7 11.9 pf a port: (direction b to a); output disabled 0.6 0.6 0.6 0.6 0.7 0.7 pf b port: (direction a to b); output enabled 9.5 9.7 9.8 9.9 10.7 11.9 pf b port: (direction a to b); output disabled 0.6 0.6 0.6 0.6 0.7 0.7 pf b port: (direction b to a); output enabled 0.2 0.2 0.2 0.2 0.3 0.4 pf b port: (direction b to a); output disabled 0.2 0.2 0.2 0.2 0.3 0.4 pf
74avch20t245 all information provided in this document is subject to legal disclaimers. ? nxp b.v. 2011. all rights reserved. product data sheet rev. 4 ? 14 december 2011 13 of 28 nxp semiconductors 74avch20t245 20-bit dual supply translating transceiver; 3-state [1] t pd is the same as t plh and t phl ; t dis is the same as t plz and t phz ; t en is the same as t pzl and t pzh . [1] t pd is the same as t plh and t phl ; t dis is the same as t plz and t phz ; t en is the same as t pzl and t pzh . table 10. typical dynamic characteristics at v cc(a) = 0.8 v and t amb = 25 ?c [1] voltages are referenced to gnd (ground = 0 v); for test circuit see figure 7 ; for wave forms see figure 5 and figure 6 symbol parameter conditions v cc(b) unit 0.8 v 1.2 v 1.5 v 1.8 v 2.5 v 3.3 v t pd propagation delay nan to nbn 14.4 7.0 6.2 6.0 5.9 6.0 ns nbn to nan 14.4 12.4 12.1 11.9 11.8 11.8 ns t dis disable time noe to nan 16.2 16.2 16.2 16.2 16.2 16.2 ns noe to nbn 17.6 10.0 9.0 9.1 8.7 9.3 ns t en enable time noe to nan 21.9 21.9 21.9 21.9 21.9 21.9 ns noe to nbn 22.2 11.1 9.8 9.4 9.4 9.6 ns table 11. typical dynamic characteristics at v cc(b) = 0.8 v and t amb = 25 ?c [1] voltages are referenced to gnd (ground = 0 v); for test circuit see figure 7 ; for wave forms see figure 5 and figure 6 symbol parameter conditions v cc(a) unit 0.8 v 1.2 v 1.5 v 1.8 v 2.5 v 3.3 v t pd propagation delay nan to nbn 1 4.4 12.4 12.1 11.9 11.8 11.8 ns nbn to nan 14.4 7.0 6.2 6.0 5.9 6.0 ns t dis disable time noe to nan 16.2 5.9 4.4 4.2 3.1 3.5 ns noe to nbn 17.6 14.2 13.7 13.6 13.3 13.1 ns t en enable time noe to nan 21.9 6.4 4.4 3.5 2.6 2.3 ns noe to nbn 22.2 17.7 17.2 17.0 16.8 16.7 ns
74avch20t245 all information provided in this document is subject to legal disclaimers. ? nxp b.v. 2011. all rights reserved. product data sheet rev. 4 ? 14 december 2011 14 of 28 nxp semiconductors 74avch20t245 20-bit dual supply translating transceiver; 3-state [1] t pd is the same as t plh and t phl ; t dis is the same as t plz and t phz ; t en is the same as t pzl and t pzh . table 12. dynamic characteristics for temperature range ? 40 ? c to +85 ?c [1] voltages are referenced to gnd (ground = 0 v); for test circuit see figure 7 ; for wave forms see figure 5 and figure 6 . symbol parameter conditions v cc(b) unit 1.2 v ? 0.1 v 1.5 v ? 0.1 v 1.8 v ? 0.15 v 2.5 v ? 0.2 v 3.3 v ? 0.3 v min max min max min max min max min max v cc(a) = 1.1 v to 1.3 v t pd propagation delay nan to nbn 0.5 9.4 0.5 7.1 0.5 6.2 0.5 5.2 0.5 5.1 ns nbn to nan 0.5 9.4 0.5 8.9 0.5 8.7 0.5 8.4 0.5 8.2 ns t dis disable time noe to nan 2.0 11.9 2.0 11.9 2.0 11.9 2.0 11.9 2.0 11.9 ns noe to nbn 1.5 12.7 1.5 9.8 1.5 9.6 1.0 8.1 1.0 9.0 ns t en enable time noe to nan 1.5 15.3 1.5 15.3 1.5 15.3 1.5 15.3 1.5 15.3 ns noe to nbn 1.0 15.6 1.0 11.5 1.0 10.0 0.5 8.4 0.5 8.0 ns v cc(a) = 1.4 v to 1.6 v t pd propagation delay nan to nbn 0.5 8.9 0.5 6.4 0.5 5.4 0.5 4.3 0.5 3.9 ns nbn to nan 0.5 7.1 0.5 6.4 0.5 6.1 0.5 5.8 0.5 5.7 ns t dis disable time noe to nan 2.0 9.0 2.0 9.0 2.0 9.0 2.0 9.0 2.0 9.0 ns noe to nbn 1.5 11.7 1.5 9.0 1.5 7.8 1.0 6.4 1.0 6.0 ns t en enable time noe to nan 1.5 10.3 1.5 10.3 1.5 10.3 1.5 10.2 1.5 10.2 ns noe to nbn 1.0 14.3 1.0 10.3 1.0 8.4 0.5 6.1 0.5 5.3 ns v cc(a) = 1.65 v to 1.95 v t pd propagation delay nan to nbn 0.5 8.7 0.5 6.1 0.5 5.0 0.5 3.9 0.5 3.5 ns nbn to nan 0.5 6.2 0.5 5.4 0.5 5.0 0.5 4.7 0.5 4.6 ns t dis disable time noe to nan 2.0 7.4 2.0 7.4 2.0 7.4 2.0 7.4 2.0 7.4 ns noe to nbn 1.5 11.3 1.5 8.7 1.5 7.4 1.0 5.8 1.0 5.6 ns t en enable time noe to nan 1.0 8.1 1.0 8.1 1.0 7.9 1.0 7.9 1.0 7.9 ns noe to nbn 0.5 13.8 0.5 10.0 0.5 7.9 0.5 5.7 0.5 4.8 ns v cc(a) = 2.3v to 2.7v t pd propagation delay nan to nbn 0.5 8.4 0.5 5.8 0.5 4.7 0.5 3.5 0.5 3.0 ns nbn to nan 0.5 5.2 0.5 4.3 0.5 3.9 0.5 3.5 0.5 3.4 ns t dis disable time noe to nan 1.1 5.2 1.1 5.2 1.1 5.2 1.1 5.2 1.1 5.2 ns noe to nbn 1.2 10.8 1.2 8.2 1.2 6.9 1.0 5.3 1.0 5.2 ns t en enable time noe to nan 0.5 5.4 0.5 5.4 0.5 5.3 0.5 5.2 0.5 5.2 ns noe to nbn 0.5 13.3 0.5 9.6 0.5 7.6 0.5 5.3 0.5 4.3 ns v cc(a) = 3.0v to 3.6v t pd propagation delay nan to nbn 0.5 8.2 0.5 5.7 0.5 4.6 0.5 3.4 0.5 2.9 ns nbn to nan 0.5 5.1 0.5 3.9 0.5 3.5 0.5 3.0 0.5 2.9 ns t dis disable time noe to nan 0.8 5.0 0.8 5.0 0.8 5.0 0.8 5.0 0.8 5.0 ns noe to nbn 1.2 10.5 1.2 8.1 1.2 6.7 1.0 5.1 0.8 5.0 ns t en enable time noe to nan 0.5 4.4 0.5 4.4 0.5 4.3 0.5 4.2 0.5 4.1 ns noe to nbn 1.0 13.1 1.0 9.6 0.5 7.5 0.5 5.1 0.5 4.1 ns
74avch20t245 all information provided in this document is subject to legal disclaimers. ? nxp b.v. 2011. all rights reserved. product data sheet rev. 4 ? 14 december 2011 15 of 28 nxp semiconductors 74avch20t245 20-bit dual supply translating transceiver; 3-state [1] t pd is the same as t plh and t phl ; t dis is the same as t plz and t phz ; t en is the same as t pzl and t pzh . table 13. dynamic characteristics for temperature range ? 40 ? c to +125 ?c [1] voltages are referenced to gnd (ground = 0 v); for test circuit see figure 7 ; for wave forms see figure 5 and figure 6 symbol parameter conditions v cc(b) unit 1.2 v ? 0.1 v 1.5 v ? 0.1 v 1.8 v ? 0.15 v 2.5 v ? 0.2 v 3.3 v ? 0.3 v min max min max min max min max min max v cc(a) = 1.1 v to 1.3 v t pd propagation delay nan to nbn 0.5 10.4 0.5 7.9 0.5 6.9 0.5 5.8 0.5 5.7 ns nbn to nan 0.5 10.4 0.5 9.8 0.5 9.6 0.5 9.3 0.5 9.1 ns t dis disable time noe to nan 2.0 13.1 2.0 13.1 2.0 13.1 2.0 13.1 2.0 13.1 ns noe to nbn 1.5 14.0 1.5 10.8 1.5 10.6 1.0 9.0 1.0 9.9 ns t en enable time noe to nan 1.5 16.9 1.5 16.9 1.5 16.9 1.5 16.9 1.5 16.9 ns noe to nbn 1.0 17.2 1.0 12.7 1.0 11.0 0.5 9.3 0.5 8.8 ns v cc(a) = 1.4 v to 1.6 v t pd propagation delay nan to nbn 0.5 9.8 0.5 7.1 0.5 6.0 0.5 4.8 0.5 4.3 ns nbn to nan 0.5 7.9 0.5 7.1 0.5 6.8 0.5 6.4 0.5 6.3 ns t dis disable time noe to nan 2.0 9.9 2.0 9.9 2.0 9.9 2.0 9.9 2.0 9.9 ns noe to nbn 1.5 12.9 1.5 9.9 1.5 8.6 1.0 7.1 1.0 6.6 ns t en enable time noe to nan 1.5 11.4 1.5 11.4 1.5 11.4 1.5 11.3 1.5 11.3 ns noe to nbn 1.0 15.8 1.0 11.4 1.0 9.3 0.5 6.8 0.5 5.9 ns v cc(a) = 1.65 v to 1.95 v t pd propagation delay nan to nbn 0.5 9.6 0.5 6.8 0.5 5.5 0.5 4.3 0.5 3.9 ns nbn to nan 0.5 6.9 0.5 6.0 0.5 5.5 0.5 5.2 0.5 5.1 ns t dis disable time noe to nan 2.0 8.2 2.0 8.2 2.0 8.2 2.0 8.2 2.0 8.2 ns noe to nbn 1.5 12.5 1.5 9.6 1.5 8.2 1.0 6.4 1.0 6.2 ns t en enable time noe to nan 1.0 9.0 1.0 9.0 1.0 8.7 1.0 8.7 1.0 8.7 ns noe to nbn 0.5 15.2 0.5 11.0 0.5 8.7 0.5 6.3 0.5 5.3 ns v cc(a) = 2.3v to 2.7v t pd propagation delay nan to nbn 0.5 9.3 0.5 6.4 0.5 5.2 0.5 3.9 0.5 3.3 ns nbn to nan 0.5 5.8 0.5 4.8 0.5 4.3 0.5 3.9 0.5 3.8 ns t dis disable time noe to nan 1.1 5.8 1.1 5.8 1.1 5.8 1.1 5.8 1.1 5.8 ns noe to nbn 1.2 11.9 1.2 9.1 1.2 7.6 1.0 5.9 1.0 5.8 ns t en enable time noe to nan 0.5 6.0 0.5 6.0 0.5 5.9 0.5 5.8 0.5 5.8 ns noe to nbn 0.5 14.7 0.5 10.6 0.5 8.4 0.5 5.9 0.5 4.8 ns v cc(a) = 3.0v to 3.6v t pd propagation delay nan to nbn 0.5 9.1 0.5 6.3 0.5 5.1 0.5 3.8 0.5 3.2 ns nbn to nan 0.5 5.7 0.5 4.3 0.5 3.9 0.5 3.3 0.5 3.2 ns t dis disable time noe to nan 0.8 5.5 0.8 5.5 0.8 5.5 0.8 5.5 0.8 5.5 ns noe to nbn 1.2 11.6 1.2 9.0 1.2 7.4 1.0 5.7 0.8 5.5 ns t en enable time noe to nan 0.5 4.9 0.5 4.9 0.5 4.8 0.5 4.7 0.5 4.6 ns noe to nbn 1.0 14.5 1.0 10.6 0.5 8.3 0.5 5.7 0.5 4.6 ns
74avch20t245 all information provided in this document is subject to legal disclaimers. ? nxp b.v. 2011. all rights reserved. product data sheet rev. 4 ? 14 december 2011 16 of 28 nxp semiconductors 74avch20t245 20-bit dual supply translating transceiver; 3-state 11. waveforms [1] v cci is the supply voltage associated with the data input port. [2] v cco is the supply voltage associated with the output port. measurement points are given in table 14 . v ol and v oh are typical output voltage levels that occur with the output load. fig 5. the data input (nan, nbn) to output (nbn, nan) propagation delay times 001aak285 nan, nbn input nbn, nan output t plh t phl gnd v i v oh v m v m v ol measurement points are given in table 14 . v ol and v oh are typical output voltage levels that occur with the output load. fig 6. enable and disable times 001aak286 outputs disabled outputs enabled noe input gnd output low-to-off off-to-low output high-to-off off-to-high outputs enabled v m t plz t pzl t pzh t phz v x v m v oh v y v m v ol v cco v i gnd table 14. measurement points supply voltage input [1] output [2] v cc(a) , v cc(b) v m v m v x v y 0.8 v to 1.6 v 0.5v cci 0.5v cco v ol +0.1v v oh ? 0.1 v 1.65 v to 2.7 v 0.5v cci 0.5v cco v ol +0.15v v oh ? 0.15 v 3.0 v to 3.6 v 0.5v cci 0.5v cco v ol +0.3v v oh ? 0.3 v
74avch20t245 all information provided in this document is subject to legal disclaimers. ? nxp b.v. 2011. all rights reserved. product data sheet rev. 4 ? 14 december 2011 17 of 28 nxp semiconductors 74avch20t245 20-bit dual supply translating transceiver; 3-state [1] v cci is the supply voltage associated with the data input port. [2] dv/dt ? 1.0 v/ns [3] v cco is the supply voltage associated with the output port. test data is given in table 15 . r l = load resistance. c l = load capacitance including jig and probe capacitance. r t = termination resistance. v ext = external voltage for measuring switching times. fig 7. load circuit for switching times v m v m t w t w 10 % 90 % 0 v v i v i negative pulse positive pulse 0 v v m v m 90 % 10 % t f t r t r t f 001aae331 v ext v cc v i v o dut c l r t r l r l g table 15. test data supply voltage input load v ext v cc(a) , v cc(b) v i [1] ? t/ ? v [2] c l r l t plh , t phl t pzh , t phz t pzl , t plz [3] 0.8 v to 1.6 v v cci ?? 1.0ns/v 15pf 2k ? open gnd 2v cco 1.65 v to 2.7 v v cci ? 1.0ns/v 15pf 2k ? open gnd 2v cco 3.0 v to 3.6 v v cci ? 1.0ns/v 15pf 2k ? open gnd 2v cco
74avch20t245 all information provided in this document is subject to legal disclaimers. ? nxp b.v. 2011. all rights reserved. product data sheet rev. 4 ? 14 december 2011 18 of 28 nxp semiconductors 74avch20t245 20-bit dual supply translating transceiver; 3-state 12. typical propagation delay characteristics a. propagation delay (a to b); v cc(a) = 0.8 v b. propagation delay (a to b); v cc(b) = 0.8 v (1) v cc(b) = 0.8 v. (2) v cc(b) = 1.2 v. (3) v cc(b) = 1.5 v. (4) v cc(b) = 1.8 v. (5) v cc(b) = 2.5 v. (6) v cc(b) = 3.3 v. (1) v cc(a) = 0.8 v. (2) v cc(a) = 1.2 v. (3) v cc(a) = 1.5 v. (4) v cc(a) = 1.8 v. (5) v cc(a) = 2.5 v. (6) v cc(a) = 3.3 v. fig 8. typical propagation delay versus load capacitance; t amb = 25 ?c 001aai476 c l (pf) 060 40 20 12 16 8 20 24 t pd (ns) 4 (1) (2) (3) (4) (5) (6) c l (pf) 060 40 20 001aai477 13 17 21 t pd (ns) 9 (1) (2) (3) (4) (5) (6)
74avch20t245 all information provided in this document is subject to legal disclaimers. ? nxp b.v. 2011. all rights reserved. product data sheet rev. 4 ? 14 december 2011 19 of 28 nxp semiconductors 74avch20t245 20-bit dual supply translating transceiver; 3-state a. low to high propagation delay (a to b); v cc(a) = 1.2 v b. high to low propagation delay (a to b); v cc(a) = 1.2 v c. low to high propagation delay (a to b); v cc(a) = 1.5 v d. high to low propagation delay (a to b); v cc(a) = 1.5 v (1) v cc(b) = 1.2 v. (2) v cc(b) = 1.5 v. (3) v cc(b) = 1.8 v. (4) v cc(b) = 2.5 v. (5) v cc(b) = 3.3 v. fig 9. typical propagation delay versus load capacitance; t amb = 25 ?c c l (pf) 060 40 20 001aai478 3 5 7 t plh (ns) 1 (1) (2) (3) (4) (5) c l (pf) 060 40 20 001aai491 3 5 7 t phl (ns) 1 (4) (5) (1) (2) (3) c l (pf) 060 40 20 001aai479 3 5 7 t plh (ns) 1 (1) (2) (3) (4) (5) c l (pf) 060 40 20 001aai480 3 5 7 t phl (ns) 1 (1) (2) (3) (5) (4)
74avch20t245 all information provided in this document is subject to legal disclaimers. ? nxp b.v. 2011. all rights reserved. product data sheet rev. 4 ? 14 december 2011 20 of 28 nxp semiconductors 74avch20t245 20-bit dual supply translating transceiver; 3-state a. low to high propagation delay (a to b); v cc(a) = 1.8 v b. high to low propagation delay (a to b); v cc(a) = 1.8 v c. low to high propagation delay (a to b); v cc(a) = 2.5 v d. high to low propagation delay (a to b); v cc(a) = 2.5 v (1) v cc(b) = 1.2 v. (2) v cc(b) = 1.5 v. (3) v cc(b) = 1.8 v. (4) v cc(b) = 2.5 v. (5) v cc(b) = 3.3 v. fig 10. typical propagation delay versus load capacitance; t amb = 25 ?c c l (pf) 060 40 20 001aai481 3 5 7 t plh (ns) 1 (1) (2) (3) (5) (4) c l (pf) 060 40 20 001aai482 3 5 7 t phl (ns) 1 (1) (2) (3) (5) (4) c l (pf) 060 40 20 001aai483 3 5 7 t plh (ns) 1 (1) (2) (3) (5) (4) c l (pf) 060 40 20 001aai486 3 5 7 t phl (ns) 1 (1) (2) (3) (5) (4)
74avch20t245 all information provided in this document is subject to legal disclaimers. ? nxp b.v. 2011. all rights reserved. product data sheet rev. 4 ? 14 december 2011 21 of 28 nxp semiconductors 74avch20t245 20-bit dual supply translating transceiver; 3-state a. low to high propagation delay (a to b); v cc(a) = 3.3 v b. high to low propagation delay (a to b); v cc(a) = 3.3 v (1) v cc(b) = 1.2 v. (2) v cc(b) = 1.5 v. (3) v cc(b) = 1.8 v. (4) v cc(b) = 2.5 v. (5) v cc(b) = 3.3 v. fig 11. typical propagation delay versus load capacitance; t amb = 25 ?c c l (pf) 060 40 20 001aai485 3 5 7 t plh (ns) 1 (1) (2) (3) (5) (4) c l (pf) 060 40 20 001aai484 3 5 7 t phl (ns) 1 (1) (2) (3) (5) (4)
74avch20t245 all information provided in this document is subject to legal disclaimers. ? nxp b.v. 2011. all rights reserved. product data sheet rev. 4 ? 14 december 2011 22 of 28 nxp semiconductors 74avch20t245 20-bit dual supply translating transceiver; 3-state 13. package outline fig 12. package outline sot364-1 (tssop56) unit a 1 a 2 a 3 b p cd (1) e (2) eh e ll p qz ywv references outline version european projection issue date iec jedec jeita mm 0.15 0.05 0.2 0.1 8 0 o o 0.1 dimensions (mm are the original dimensions). notes 1. plastic or metal protrusions of 0.15 mm maximum per side are not included. 2. plastic interlead protrusions of 0.25 mm maximum per side are not included. sot364-1 99-12-27 03-02-19 w m a a 1 a 2 d l p q detail x e z e c l x (a ) 3 0.25 12 8 56 29 y pin 1 index b h 1.05 0.85 0.28 0.17 0.2 0.1 14.1 13.9 6.2 6.0 0.5 1 8.3 7.9 0.50 0.35 0.5 0.1 0.08 0.25 0.8 0.4 p e v m a a tssop56: plastic thin shrink small outline package; 56 leads; body width 6.1 mm sot364-1 a max. 1.2 0 2.5 5 mm scale mo-153
74avch20t245 all information provided in this document is subject to legal disclaimers. ? nxp b.v. 2011. all rights reserved. product data sheet rev. 4 ? 14 december 2011 23 of 28 nxp semiconductors 74avch20t245 20-bit dual supply translating transceiver; 3-state fig 13. package outline sot481-2 (tssop56) unit a 1 a 2 a 3 b p d (1) e (2) h e l p cel z (1) ywv references outline version european projection issue date iec jedec jeita mm 0.15 0.05 1.05 0.80 0.23 0.13 0.20 0.09 11.4 11.2 4.5 4.3 6.6 6.2 0.4 8 0 o o 0.07 0.08 0.2 1 dimensions (mm are the original dimensions) notes 1. plastic or metal protrusions of 0.15 mm maximum per side are not included. 2. plastic or metal protrusions of 0.25 mm maximum per side are not included. 0.75 0.45 sot481-2 mo-194 - - - - - - 01-11-24 0.25 0.4 0.1 w m b p e 12 8 56 29 z pin 1 index a a 1 a 2 l p detail x l (a ) 3 h e e c v m a x a d y 0 2.5 5 mm scale tssop56: plastic thin shrink small outline package; 56 leads; body width 4.4 mm sot481-2 a max. 1.2
74avch20t245 all information provided in this document is subject to legal disclaimers. ? nxp b.v. 2011. all rights reserved. product data sheet rev. 4 ? 14 december 2011 24 of 28 nxp semiconductors 74avch20t245 20-bit dual supply translating transceiver; 3-state fig 14. package outline sot1134-1 (hxqfn60u) references outline version european projection issue date iec jedec jeita sot1134-1 - - - - - - - - - sot1134-1_po 08-12-17 09-01-22 unit mm max nom min 0.50 0.48 0.46 0.05 0.02 0.00 4.1 4.0 3.9 1.90 1.85 1.80 6.1 6.0 5.9 3.90 3.85 3.80 1 2.5 4.5 0.125 0.075 0.025 0.07 a dimensions hxqfn60u: plastic thermal enhanced extremely thin quad flat package; no leads; 60 terminals; utlp based; body 4 x 6 x 0.5 mm sot1134-1 a 1 b 0.35 0.30 0.25 dd h ee h 0.08 0.1 yy 1 e 0.5 e 1 e 2 e 3 3 e 4 er 0.5 k 0.25 0.20 0.15 l 0.35 0.30 0.25 l 1 v 0.05 w 0 2.5 5 mm scale ac b v c w b a terminal 1 index area d e c y c y 1 x detail x a a 1 e r e 3 e 4 e 2 e 1 e e 1/2 e 1/2 e b ac b v c w k l b20 b18 a27 d8 d4 a32 d5 d7 d6 d1 d3 d2 d h e h l 1 terminal 1 index area a11 a16 b10 b8 a17 b11 b17 a26 a1 b1 a10 b7
74avch20t245 all information provided in this document is subject to legal disclaimers. ? nxp b.v. 2011. all rights reserved. product data sheet rev. 4 ? 14 december 2011 25 of 28 nxp semiconductors 74avch20t245 20-bit dual supply translating transceiver; 3-state 14. abbreviations 15. revision history table 16. abbreviations acronym description cdm charged device model cmos complementary metal oxide semiconductor dut device under test esd electrostatic discharge hbm human body model mm machine model table 17. revision history document id release date data sheet status change notice supersedes 74avch20t245 v.4 20111214 product data sheet - 74avch20t245 v.3 modifications: ? legal pages updated. 74avch20t245 v.3 20110623 product data sheet - 74avch20t245 v.2 74avch20t245 v.2 20100315 product data sheet - 74avch20t245 v.1 74avch20t245 v.1 20100113 product data sheet - -
74avch20t245 all information provided in this document is subject to legal disclaimers. ? nxp b.v. 2011. all rights reserved. product data sheet rev. 4 ? 14 december 2011 26 of 28 nxp semiconductors 74avch20t245 20-bit dual supply translating transceiver; 3-state 16. legal information 16.1 data sheet status [1] please consult the most recently issued document before initiating or completing a design. [2] the term ?short data sheet? is explained in section ?definitions?. [3] the product status of device(s) described in this document may have changed since this document was published and may differ in case of multiple device s. the latest product status information is available on the internet at url http://www.nxp.com . 16.2 definitions draft ? the document is a draft versi on only. the content is still under internal review and subject to formal approval, which may result in modifications or additions. nxp semiconductors does not give any representations or warranties as to the accuracy or completeness of information included herein and shall hav e no liability for the consequences of use of such information. short data sheet ? a short data sheet is an extract from a full data sheet with the same product type number(s) and title. a short data sheet is intended for quick reference only and should not be relied upon to contain detailed and full information. for detailed and full information see the relevant full data sheet, which is available on request vi a the local nxp semiconductors sales office. in case of any inconsistency or conflict with the short data sheet, the full data sheet shall prevail. product specification ? the information and data provided in a product data sheet shall define the specification of the product as agreed between nxp semiconductors and its customer , unless nxp semiconductors and customer have explicitly agreed otherwis e in writing. in no event however, shall an agreement be valid in which the nxp semiconductors product is deemed to offer functions and qualities beyond those described in the product data sheet. 16.3 disclaimers limited warranty and liability ? information in this document is believed to be accurate and reliable. however, nxp semiconductors does not give any representations or warranties, expressed or implied, as to the accuracy or completeness of such information and shall have no liability for the consequences of use of such information. in no event shall nxp semiconductors be liable for any indirect, incidental, punitive, special or consequential damages (including - without limitation - lost profits, lost savings, business interruption, costs related to the removal or replacement of any products or rework charges) whether or not such damages are based on tort (including negligence), warranty, breach of contract or any other legal theory. notwithstanding any damages that customer might incur for any reason whatsoever, nxp semiconductors? aggregate and cumulative liability towards customer for the products described herein shall be limited in accordance with the terms and conditions of commercial sale of nxp semiconductors. right to make changes ? nxp semiconductors reserves the right to make changes to information published in this document, including without limitation specifications and product descriptions, at any time and without notice. this document supersedes and replaces all information supplied prior to the publication hereof. suitability for use ? nxp semiconductors products are not designed, authorized or warranted to be suitable for use in life support, life-critical or safety-critical systems or equipment, nor in applications where failure or malfunction of an nxp semiconductors product can reasonably be expected to result in personal injury, death or severe property or environmental damage. nxp semiconductors accepts no liability for inclusion and/or use of nxp semiconductors products in such equipment or applications and therefore such inclusion and/or use is at the customer?s own risk. applications ? applications that are described herein for any of these products are for illustrative purpos es only. nxp semiconductors makes no representation or warranty that such applications will be suitable for the specified use without further testing or modification. customers are responsible for the design and operation of their applications and products using nxp semiconductors products, and nxp semiconductors accepts no liability for any assistance with applications or customer product design. it is customer?s sole responsibility to determine whether the nxp semiconductors product is suitable and fit for the customer?s applications and products planned, as well as fo r the planned application and use of customer?s third party customer(s). customers should provide appropriate design and operating safeguards to minimize the risks associated with their applications and products. nxp semiconductors does not accept any liability related to any default, damage, costs or problem which is based on any weakness or default in the customer?s applications or products, or the application or use by customer?s third party customer(s). customer is responsible for doing all necessary testing for the customer?s applic ations and products using nxp semiconductors products in order to av oid a default of the applications and the products or of the application or use by customer?s third party customer(s). nxp does not accept any liability in this respect. limiting values ? stress above one or more limiting values (as defined in the absolute maximum ratings system of iec 60134) will cause permanent damage to the device. limiting values are stress ratings only and (proper) operation of the device at these or any other conditions above those given in the recommended operating conditions section (if present) or the characteristics sections of this document is not warranted. constant or repeated exposure to limiting values will permanently and irreversibly affect the quality and reliability of the device. terms and conditions of commercial sale ? nxp semiconductors products are sold subject to the gener al terms and conditions of commercial sale, as published at http://www.nxp.com/profile/terms , unless otherwise agreed in a valid written individual agreement. in case an individual agreement is concluded only the terms and conditions of the respective agreement shall apply. nxp semiconductors hereby expressly objects to applying the customer?s general terms and conditions with regard to the purchase of nxp semiconducto rs products by customer. no offer to sell or license ? nothing in this document may be interpreted or construed as an offer to sell products t hat is open for acceptance or the grant, conveyance or implication of any lic ense under any copyrights, patents or other industrial or intellectual property rights. export control ? this document as well as the item(s) described herein may be subject to export control regulations. export might require a prior authorization from competent authorities. document status [1] [2] product status [3] definition objective [short] data sheet development this document contains data from the objecti ve specification for product development. preliminary [short] data sheet qualification this document contains data from the preliminary specification. product [short] data sheet production this document contains the product specification.
74avch20t245 all information provided in this document is subject to legal disclaimers. ? nxp b.v. 2011. all rights reserved. product data sheet rev. 4 ? 14 december 2011 27 of 28 nxp semiconductors 74avch20t245 20-bit dual supply translating transceiver; 3-state non-automotive qualified products ? unless this data sheet expressly states that this specific nxp semicon ductors product is automotive qualified, the product is not suitable for automotive use. it is neither qualified nor tested in accordance with automotive testing or application requirements. nxp semiconductors accepts no liabili ty for inclusion and/or use of non-automotive qualified products in automotive equipment or applications. in the event that customer uses t he product for design-in and use in automotive applications to automotive specifications and standards, customer (a) shall use the product without nxp semiconductors? warranty of the product for such automotive applicat ions, use and specifications, and (b) whenever customer uses the product for automotive applications beyond nxp semiconductors? specifications such use shall be solely at customer?s own risk, and (c) customer fully indemnifies nxp semiconductors for any liability, damages or failed product claims resulting from customer design and use of the product for automotive app lications beyond nxp semiconductors? standard warranty and nxp semiconduct ors? product specifications. 16.4 trademarks notice: all referenced brands, produc t names, service names and trademarks are the property of their respective owners. 17. contact information for more information, please visit: http://www.nxp.com for sales office addresses, please send an email to: salesaddresses@nxp.com
nxp semiconductors 74avch20t245 20-bit dual supply translating transceiver; 3-state ? nxp b.v. 2011. all rights reserved. for more information, please visit: http://www.nxp.com for sales office addresses, please se nd an email to: salesaddresses@nxp.com date of release: 14 december 2011 document identifier: 74avch20t245 please be aware that important notices concerning this document and the product(s) described herein, have been included in section ?legal information?. 18. contents 1 general description . . . . . . . . . . . . . . . . . . . . . . 1 2 features and benefits . . . . . . . . . . . . . . . . . . . . 1 3 ordering information . . . . . . . . . . . . . . . . . . . . . 2 4 functional diagram . . . . . . . . . . . . . . . . . . . . . . 2 5 pinning information . . . . . . . . . . . . . . . . . . . . . . 4 5.1 pinning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 5.2 pin description . . . . . . . . . . . . . . . . . . . . . . . . . 6 6 functional description . . . . . . . . . . . . . . . . . . . 6 7 limiting values. . . . . . . . . . . . . . . . . . . . . . . . . . 7 8 recommended operating conditions. . . . . . . . 7 9 static characteristics. . . . . . . . . . . . . . . . . . . . . 8 10 dynamic characteristics . . . . . . . . . . . . . . . . . 12 11 waveforms . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 12 typical propagation delay characteristics . . 18 13 package outline . . . . . . . . . . . . . . . . . . . . . . . . 22 14 abbreviations . . . . . . . . . . . . . . . . . . . . . . . . . . 25 15 revision history . . . . . . . . . . . . . . . . . . . . . . . . 25 16 legal information. . . . . . . . . . . . . . . . . . . . . . . 26 16.1 data sheet status . . . . . . . . . . . . . . . . . . . . . . 26 16.2 definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26 16.3 disclaimers . . . . . . . . . . . . . . . . . . . . . . . . . . . 26 16.4 trademarks. . . . . . . . . . . . . . . . . . . . . . . . . . . 27 17 contact information. . . . . . . . . . . . . . . . . . . . . 27 18 contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

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