? semiconductor components industries, llc, 2005 february, 2005 ? rev. 2 1 publication order number: mc74lvx126/d mc74lvx126 quad bus buffer with 5v?tolerant inputs the mc74lvx126 is an advanced high speed cmos quad bus buffer. the inputs tolerate voltages up to 7.0 v, allowing the interface of 5.0 v systems to 3.0 v systems. the mc74lvx126 requires the 3?state control input (oe) to be set low to place the output into the high impedance state. features ? high speed: t pd = 4.4 ns (typ) at v cc = 3.3 v ? low power dissipation: i cc = 4 a (max) at t a = 25 c ? power down protection provided on inputs ? balanced propagation delays ? low noise: v olp = 0.5 v (max) ? pin and function compatible with other standard logic families ? latchup performance exceeds 300 ma ? esd performance: human body model >2000 v machine model >200 v http://onsemi.com tssop?14 dt suffix case 948g 14 1 soeiaj?14 m suffix case 965 soic?14 d suffix case 751a 14 1 marking diagrams 1 14 lvx 126 alyw 74lvx126 alyw lvx126 awlyww a = assembly location l, wl = wafer lot y = year w, ww = work week 14 1 14 1 see detailed ordering and shipping information in the package dimensions section on page 4 of this data sheet. ordering information 1 14
mc74lvx126 http://onsemi.com 2 figure 1. 14?lead pinout (top view) 13 14 12 11 10 9 8 2 1 34567 v cc oe3 d3 o3 oe2 d2 o2 oe0 d0 o0 oe1 d1 o1 gnd d0 2 o0 3 oe0 1 d1 5 o1 6 oe1 4 d2 9 o2 8 oe2 10 d3 12 o3 11 oe3 13 figure 2. logic diagram pin names function output enable inputs data inputs 3?state outputs pins oen dn on h = high voltage level; l = low v oltage level; z = high imped- ance state; x = high or low voltage level and transitions are acceptable, for i cc reasons, do not float inputs oen dn on h h l l h x l h z inputs outputs function table ????????????????????????????????? ????????????????????????????????? maximum ratings ???? ???? symbol ??????????????????????? ??????????????????????? parameter ?????? ?????? value ??? ??? unit ???? ???? v cc ??????????????????????? ??????????????????????? dc supply voltage ?????? ?????? 0.5 to +7.0 ??? ??? v ???? ???? v in ??????????????????????? ??????????????????????? dc input voltage ?????? ?????? 0.5 to +7.0 ??? ??? v ???? ???? v out ??????????????????????? ??????????????????????? dc output voltage ?????? ?????? 0.5 to v cc +0.5 ??? ??? v ???? ???? i ik ??????????????????????? ??????????????????????? input diode current ?????? ?????? -20 ??? ??? ma ???? ???? i ok ??????????????????????? ??????????????????????? output diode current ?????? ?????? 20 ??? ??? ma ???? ???? i out ??????????????????????? ??????????????????????? dc output current, per pin ?????? ?????? 25 ??? ??? ma ???? ???? i cc ??????????????????????? ??????????????????????? dc supply current, v cc and gnd pins ?????? ?????? 50 ??? ??? ma ???? ???? p d ??????????????????????? ??????????????????????? power dissipation ?????? ?????? 180 ??? ??? mw ???? ???? t stg ??????????????????????? ??????????????????????? storage temperature ?????? ?????? 65 to +150 ??? ??? c maximum ratings are those values beyond which device damage can occur. maximum ratings applied to the device are individual str ess limit values (not normal operating conditions) and are not valid simultaneously. if these limits are exceeded, device functional operation i s not implied, damage may occur and reliability may be affected. recommended operating conditions ???? ???? symbol ??????????????????????? ??????????????????????? parameter ??? ??? min ???? ???? max ??? ??? unit ???? ???? v cc ??????????????????????? ??????????????????????? dc supply voltage ??? ??? 2.0 ???? ???? 3.6 ??? ??? v ???? ???? v in ??????????????????????? ??????????????????????? dc input voltage ??? ??? 0 ???? ???? 5.5 ??? ??? v ???? ???? v out ??????????????????????? ??????????????????????? dc output voltage ??? ??? 0 ???? ???? v cc ??? ??? v ???? ???? t a ??????????????????????? ??????????????????????? operating temperature, all package types ??? ??? -40 ???? ???? +125 ??? ??? c ???? ???? t/ v ??????????????????????? ??????????????????????? input rise and fall time ??? ??? 0 ???? ???? 100 ??? ??? ns/v
mc74lvx126 http://onsemi.com 3 ????????????????????????????????? ????????????????????????????????? dc electrical characteristics ???? ???? ???????? ???????? ?????? ?????? ??? ??? v cc ??????? ??????? t a = 25 c ????? ????? t a = 85 c ????? ????? t a = 125 c ?? ?? ???? ???? symbol ???????? ???????? parameter ?????? ?????? test conditions ??? ??? v cc v ??? ??? min ??? ??? typ ??? ??? max ??? ??? min ??? ??? max ??? ??? min ??? ??? max ?? ?? unit ???? ? ?? ? ???? v ih ???????? ? ?????? ? ???????? high?level input voltage ?????? ? ???? ? ?????? ??? ? ? ? ??? 2.0 3.0 3.6 ??? ? ? ? ??? 1.5 2.0 2.4 ??? ? ? ? ??? ??? ? ? ? ??? ??? ? ? ? ??? 1.5 2.0 2.4 ??? ? ? ? ??? ??? ? ? ? ??? 1.5 2.0 2.4 ??? ? ? ? ??? ?? ?? ?? v ???? ? ?? ? ? ?? ? v il ???????? ? ?????? ? ? ?????? ? low?level input voltage ?????? ? ???? ? ? ???? ? ??? ? ? ? ? ? ? 2.0 3.0 3.6 ??? ? ? ? ? ? ? ??? ? ? ? ? ? ? ??? ? ? ? ? ? ? 0.5 0.8 0.8 ??? ? ? ? ? ? ? ??? ? ? ? ? ? ? 0.5 0.8 0.8 ??? ? ? ? ? ? ? ??? ? ? ? ? ? ? 0.5 0.8 0.8 ?? ?? ?? v ???? ? ?? ? ? ?? ? ???? v oh ???????? ? ?????? ? ? ?????? ? ???????? high?level output voltage (v in = v ih or v il ) ?????? ? ???? ? ? ???? ? ?????? i oh = ?50 a i oh = ?50 a i oh = ?4 ma ??? ? ? ? ? ? ? ??? 2.0 3.0 3.0 ??? ? ? ? ? ? ? ??? 1.9 2.9 2.58 ??? ? ? ? ? ? ? ??? 2.0 3.0 ??? ? ? ? ? ? ? ??? ??? ? ? ? ? ? ? ??? 1.9 2.9 2.48 ??? ? ? ? ? ? ? ??? ??? ? ? ? ? ? ? ??? ??? ? ? ? ? ? ? ??? 1.9 2.9 2.34 ?? ?? ?? ?? v ???? ? ?? ? ???? v ol ???????? ? ?????? ? ???????? low?level output voltage (v in = v ih or v il ) ?????? ? ???? ? ?????? i ol = 50 a i ol = 50 a i ol = 4 ma ??? ? ? ? ??? 2.0 3.0 3.0 ??? ? ? ? ??? ??? ? ? ? ??? 0.0 0.0 ??? ? ? ? ??? 0.1 0.1 0.36 ??? ? ? ? ??? ??? ? ? ? ??? 0.1 0.1 0.44 ??? ? ? ? ??? ??? ? ? ? ??? 0.1 0.1 0.52 ?? ?? ?? v ???? ???? i in ???????? ???????? input leakage current ?????? ?????? v in = 5.5 v or gnd ??? ??? 3.6 ??? ??? ??? ??? ??? ??? 0.1 ??? ??? ??? ??? 1.0 ??? ??? ??? ??? 1.0 ?? ?? a ???? ? ?? ? ???? i oz ???????? ? ?????? ? ???????? maximum three?state leakage current ?????? ? ???? ? ?????? v in = v il or v ih v out = v cc or gnd ??? ? ? ? ??? 3.6 ??? ? ? ? ??? ??? ? ? ? ??? ??? ? ? ? ??? 0.25 ??? ? ? ? ??? ??? ? ? ? ??? 2.5 ??? ? ? ? ??? ??? ? ? ? ??? 5.0 ?? ?? ?? a ???? ???? i cc ???????? ???????? quiescent supply current ?????? ?????? v in = v cc or gnd ??? ??? 3.6 ??? ??? ??? ??? ??? ??? 4.0 ??? ??? ??? ??? 40 ??? ??? ??? ??? 40 ?? ?? a ????????????????????????????????? ????????????????????????????????? ac electrical characteristics (input t r = t f = 3.0 ns) ???? ???? ??????? ??????? ????????? ????????? ??????? ??????? t a = 25 c ????? ????? t a = 85 c ????? ????? t a = 125 c ?? ?? ???? ???? symbol ??????? ??????? parameter ????????? ????????? test conditions ??? ??? min ??? ??? typ ??? ??? max ??? ??? min ??? ??? max ??? ??? min ??? ??? max ?? ?? unit ???? ???? t plh , t phl ??????? ??????? propagation delay input to output ????????? ????????? v cc = 2.7 v c l = 15 pf c l = 50 pf ??? ??? ??? ??? 5.5 7.5 ??? ??? 10.1 13.6 ??? ??? 1.0 1.0 ??? ??? 13.5 17.0 ??? ??? 1.0 1.0 ??? ??? 15.0 19.0 ?? ?? ns ???? ? ?? ? ???? ??????? ? ????? ? ??????? ????????? ? ??????? ? ????????? v cc = 3.3 0.3 v c l = 15 pf c l = 50 pf ??? ? ? ? ??? ??? ? ? ? ??? 3.9 5.9 ??? ? ? ? ??? 6.2 9.7 ??? ? ? ? ??? 1.0 1.0 ??? ? ? ? ??? 8.5 12.0 ??? ? ? ? ??? 1.0 1.0 ??? ? ? ? ??? 11.0 14.0 ?? ?? ?? ???? ? ?? ? ???? t pzl , t pzh ??????? ? ????? ? ??????? output enable time oe to o ????????? ? ??????? ? ????????? v cc = 2.7 v c l = 15 pf r l =1 k c l = 50 pf ??? ? ? ? ??? ??? ? ? ? ??? 5.3 7.8 ??? ? ? ? ??? 9.3 12.8 ??? ? ? ? ??? 1.0 1.0 ??? ? ? ? ??? 12.5 16.0 ??? ? ? ? ??? 1.0 1.0 ??? ? ? ? ??? 15.5 18.5 ?? ?? ?? ns ???? ???? ??????? ??????? ????????? ????????? v cc = 3.3 0.3 v c l = 15 pf r l =1 k c l = 50 pf ??? ??? ??? ??? 4.0 6.5 ??? ??? 5.6 9.1 ??? ??? 1.0 1.0 ??? ??? 7.5 11.0 ??? ??? 1.0 1.0 ??? ??? 9.5 13.0 ?? ?? ???? ? ?? ? ???? t plz , t phz ??????? ? ????? ? ??????? output disable time oe to o ????????? ? ??????? ? ????????? v cc = 2.7 v c l = 50 pf r l =1 k ??? ? ? ? ??? ??? ? ? ? ??? 10.0 ??? ? ? ? ??? 15.7 ??? ? ? ? ??? 1.0 ??? ? ? ? ??? 19.0 ??? ? ? ? ??? 1.0 ??? ? ? ? ??? 21.0 ?? ?? ?? ns ???? ? ?? ? ???? ??????? ? ????? ? ??????? ????????? ? ??????? ? ????????? v cc = 3.3 0.3 v c l = 50 pf r l =1 k ??? ? ? ? ??? ??? ? ? ? ??? 8.3 ??? ? ? ? ??? 11.2 ??? ? ? ? ??? 1.0 ??? ? ? ? ??? 13.0 ??? ? ? ? ??? 1.0 ??? ? ? ? ??? 15.0 ?? ?? ?? ???? ???? t oshl t oslh ??????? ??????? output-to-output skew (note 1) ????????? ????????? v cc = 2.7 v c l = 50 pf v cc = 3.3 0.3 v c l = 50 pf ??? ??? ??? ??? ??? ??? 1.5 1.5 ??? ??? ??? ??? 1.5 1.5 ??? ??? ??? ??? 1.5 1.5 ?? ?? ns 1. skew is defined as the absolute value of the difference between the actual propagation delay for any two separate outputs of the same d evice. the specification applies to any outputs switching in the same direction, either high-to-low (t oshl ) or low-to-high (t oslh ); parameter guaranteed by design. ????????????????????????????????? ????????????????????????????????? capacitive characteristics ???? ???? ??????????????? ??????????????? ??????? ??????? t a = 25 c ????? ????? t a = 85 c ????? ????? t a = 125 c ?? ?? ???? ???? symbol ??????????????? ??????????????? parameter ??? ??? min ??? ??? typ ??? ??? max ??? ??? min ??? ??? max ??? ??? min ??? ??? max ?? ?? unit ???? ???? c in ??????????????? ??????????????? input capacitance ??? ??? ??? ??? 4 ??? ??? 10 ??? ??? ??? ??? 10 ??? ??? ??? ??? 10 ?? ?? pf ???? ???? c out ??????????????? ??????????????? maximum three-state output capacitance ??? ??? ??? ??? 6 ??? ??? ??? ??? ??? ??? ??? ??? ??? ??? ?? ?? pf ???? ???? c pd ??????????????? ??????????????? power dissipation capacitance (note 2) ??? ??? ??? ??? 14 ??? ??? ??? ??? ??? ??? ??? ??? ??? ??? ?? ?? pf 2. c pd is defined as the value of the internal equivalent capacitance which is calculated from the operating current consumption with out load. average operating current can be obtained by the equation: i cc(opr ) = c pd v cc f in + i cc / 4 (per bit). c pd is used to determine the no?load dynamic power consumption; p d = c pd v cc 2 f in + i cc v cc .
mc74lvx126 http://onsemi.com 4 noise characteristics (input t r = t f = 3.0 ns, c l = 50 pf, v cc = 3.3 v, measured in soic package) t a = 25 c symbol characteristic typ max unit v olp quiet output maximum dynamic v ol 0.3 0.5 v v olv quiet output minimum dynamic v ol ?0.3 ?0.5 v v ihd minimum high level dynamic input voltage 2.0 v v ild maximum low level dynamic input voltage 0.8 v ordering information device package shipping 2 MC74LVX126D soic?14 55 units / rail mc74lvx126m soeiaj?14 50 units / rail mc74lvx126mel soeiaj?14 2000 tape & reel 2for information on tape and reel specifications, including part orientation and tape sizes, please refer to our tape and reel packaging specifications brochure, brd8011/d. figure 3. figure 4. v cc gnd d o 50% 50% v cc t plh t phl oe o o 50% 50% v cc 50% v cc t pzl t plz t pzh t phz v cc gnd high impedance v ol +0.3 v v oh -0.3 v high impedance switching waveforms *includes all probe and jig capacitance c l * test point device under test output *includes all probe and jig capacitance c l * test point device under test output connect to v cc when testing t plz and t pzl . connect to gnd when testing t phz and t pzh . 1 k test circuits figure 5. propagation delay test circuit figure 6. three?state test circuit
mc74lvx126 http://onsemi.com 5 package dimensions pdip?14 p suffix case 646?06 issue n 17 14 8 b a dim min max min max millimeters inches a 0.715 0.770 18.16 18.80 b 0.240 0.260 6.10 6.60 c 0.145 0.185 3.69 4.69 d 0.015 0.021 0.38 0.53 f 0.040 0.070 1.02 1.78 g 0.100 bsc 2.54 bsc h 0.052 0.095 1.32 2.41 j 0.008 0.015 0.20 0.38 k 0.115 0.135 2.92 3.43 l m ??? 10 ??? 10 n 0.015 0.039 0.38 1.01 notes: 1. dimensioning and tolerancing per ansi y14.5m, 1982. 2. controlling dimension: inch. 3. dimension l to center of leads when formed parallel. 4. dimension b does not include mold flash. 5. rounded corners optional. f hg d k c seating plane n ?t? 14 pl m 0.13 (0.005) l m j 0.290 0.310 7.37 7.87 soic?14 d suffix case 751a?03 issue g notes: 1. dimensioning and tolerancing per ansi y14.5m, 1982. 2. controlling dimension: millimeter. 3. dimensions a and b do not include mold protrusion. 4. maximum mold protrusion 0.15 (0.006) per side. 5. dimension d does not include dambar protrusion. allowable dambar protrusion shall be 0.127 (0.005) total in excess of the d dimension at maximum material condition. ?a? ?b? g p 7 pl 14 8 7 1 m 0.25 (0.010) b m s b m 0.25 (0.010) a s t ?t? f r x 45 seating plane d 14 pl k c j m dim min max min max inches millimeters a 8.55 8.75 0.337 0.344 b 3.80 4.00 0.150 0.157 c 1.35 1.75 0.054 0.068 d 0.35 0.49 0.014 0.019 f 0.40 1.25 0.016 0.049 g 1.27 bsc 0.050 bsc j 0.19 0.25 0.008 0.009 k 0.10 0.25 0.004 0.009 m 0 7 0 7 p 5.80 6.20 0.228 0.244 r 0.25 0.50 0.010 0.019
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