industrial temperature range idt74lvc162245a 3.3v cmos 16-bit transceiver with 3-state outputs 1 october 2008 industrial temperature range the idt logo is a registered trademark of integrated device technology, inc. ? 1999 integrated device technology, inc. dsc-4483/3 features: ? typical t sk(o) (output skew) < 250ps ? esd > 2000v per mil-std-883, method 3015; > 200v using machine model (c = 200pf, r = 0) ?v cc = 3.3v 0.3v, normal range ?v cc = 2.7v to 3.6v, extended range ? cmos power levels (0.4 w typ. static) ? all inputs, outputs, and i/o are 5v tolerant ? available in ssop, tssop, and tvsop packages functional block diagram idt74lvc162245a applications: ? 5v and 3.3v mixed voltage systems ? data communication and telecommunication systems drive features: ? balanced output drivers: 12ma (a port) ? high output drivers: 24ma (b port) description: this 16-bit transceiver is built using advanced dual metal cmos technology. the lvc162245a is designed for asynchronous communica- tion between data buses. the control-function implementation minimizes external timing requirements. this device can be used as two 8-bit transceivers or one 16-bit transceiver. it allows data transmission from the a bus to the b bus or from the b bus to the a bus, depending on the logic level at the direction-control (dir) input. the output-enable ( oe ) input can be used to disable the device so that the buses are effectively isolated. to ensure the high-impedance state during power up or power down, oe should be tied to v cc through a pullup resistor; the minimum value of the resistor is determined by the current-sinking capability of the driver. all pins can be driven from either 3.3v or 5v devices. this feature allows the use of this device as a translator in a mixed 3.3v/5v supply system. the lvc162245a has series resistors in the device output structure of the ?a? port which will significantly reduce line noise when used with light loads. the driver has been designed to drive 12ma at the designated threshold levels. the ?b? port has a 24ma driver. 3.3v cmos 16-bit bus transceiver with 3-state outputs and 5 volt tolerant i/o 1 dir 1 a 1 1 a 2 1 a 3 1 a 4 1 a 5 1 a 6 1 a 7 1 a 8 1 b 8 1 b 7 1 b 6 1 b 5 1 b 4 1 b 3 1 b 2 1 b 1 1 oe 2 dir 2 a 1 2 a 2 2 a 3 2 a 4 2 a 5 2 a 6 2 a 7 2 a 8 2 b 8 2 b 7 2 b 6 2 b 5 2 b 4 2 b 3 2 b 2 2 b 1 2 oe 1 47 46 44 43 41 40 38 37 48 2 3 5 6 8 9 11 12 24 36 35 33 32 30 29 27 26 25 13 14 16 17 19 20 22 23
industrial temperature range 2 idt74lvc162245a 3.3v cmos 16-bit transceiver with 3-state outputs ssop/ tssop/ tvsop top view pin configuration note: 1. h = high voltage level x = don?t care l = low voltage level inputs x oe xdir outputs l l b data to a bus l h a data to b bus h x isolation function table (each 8-bit section) (1) pin names description x oe output enable input (active low) xdir direction control output x a x side a inputs or 3-state outputs x b x side b inputs or 3-state outputs pin description note: 1. as applicable to the device type. symbol parameter (1) conditions typ. max. unit c in input capacitance v in = 0v 4.5 6 pf c out output capacitance v out = 0v 6.5 8 pf c i/o i/o port capacitance v in = 0v 6.5 8 pf capacitance (t a = +25c, f = 1.0mhz) symbol description max unit v term (2) terminal voltage with respect to gnd ?0.5 to +6.5 v v term (3) terminal voltage with respect to gnd ?0.5 to +6.5 v t stg storage temperature ?65 to +150 c i out dc output current ?50 to +50 ma i ik continuous clamp current, ?50 ma i ok v i < 0 or v o < 0 i cc continuous current through each 100 ma i ss v cc or gnd absolute maximum ratings (1) notes: 1. stresses greater than those listed under absolute maximum ratings may cause permanent damage to the device. this is a stress rating only and functional operation of the device at these or any other conditions above those indicated in the operational sections of this specification is not implied. exposure to absolute maximum rating conditions for extended periods may affect reliability. 2. v cc terminals. 3. all terminals except v cc . 1 dir 1 b 1 gnd v cc gnd 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 40 41 42 43 44 45 46 47 48 1 1 b 2 1 b 3 1 b 4 1 b 5 1 b 6 1 b 7 1 b 8 2 b 1 2 b 2 gnd 2 b 3 2 b 4 2 b 6 2 b 5 v cc gnd 2 b 8 2 b 7 2 dir 1 oe 1 a 1 gnd v cc gnd 1 a 2 1 a 3 1 a 4 1 a 5 1 a 6 1 a 7 1 a 8 2 a 1 2 a 2 gnd 2 a 3 2 a 4 2 a 6 2 a 5 v cc gnd 2 a 8 2 a 7 2 oe
industrial temperature range idt74lvc162245a 3.3v cmos 16-bit transceiver with 3-state outputs 3 symbol parameter test conditions min. typ. (1) max. unit v ih input high voltage level v cc = 2.3v to 2.7v 1.7 ? ? v v cc = 2.7v to 3.6v 2 ? ? v il input low voltage level v cc = 2.3v to 2.7v ? ? 0.7 v v cc = 2.7v to 3.6v ? ? 0.8 i ih input leakage current v cc = 3.6v v i = 0 to 5.5v ? ? 5a i il i ozh high impedance output current v cc = 3.6v v o = 0 to 5.5v ? ? 10 a i ozl (3-state output pins) i off input/output power off leakage v cc = 0v, v in or v o 5.5v ? ? 50 a v ik clamp diode voltage v cc = 2.3v, i in = ?18ma ? ?0.7 ?1.2 v v h input hysteresis v cc = 3.3v ? 100 ? mv i ccl quiescent power supply current v cc = 3.6v v in = gnd or v cc ?? 10a i cch i ccz 3.6 v in 5.5v (2) ?? 10 i cc quiescent power supply current one input at v cc - 0.6v, other inputs at v cc or gnd ? ? 500 a variation dc electrical characteristics over operating range following conditions apply unless otherwise specified: operating condition: t a = ?40c to +85c note: 1. v ih and v il must be within the min. or max. range shown in the dc electrical characteristics over operating range table for the appropriat e v cc range. t a = ? 40c to + 85c. output drive characteristics (a port) symbol parameter test conditions (1) min. max. unit v oh output high voltage v cc = 2.3v to 3.6v i oh = ? 0.1ma v cc ? 0.2 ? v v cc = 2.3v i oh = ? 4ma 1.9 ? i oh = ? 6ma 1.7 ? v cc = 2.7v i oh = ? 4ma 2.2 ? i oh = ? 8ma 2 ? v cc = 3v i oh = ? 6ma 2.4 ? i oh = ? 12ma 2 ? v ol output low voltage v cc = 2.3v to 3.6v i ol = 0.1ma ? 0.2 v v cc = 2.3v i ol = 4ma ? 0.4 i ol = 6ma ? 0.55 v cc = 2.7v i ol = 4ma ? 0.4 i ol = 8ma ? 0.6 v cc = 3v i ol = 6ma ? 0.55 i ol = 12ma ? 0.8 notes: 1. typical values are at v cc = 3.3v, +25c ambient. 2. this applies in the disabled state only.
industrial temperature range 4 idt74lvc162245a 3.3v cmos 16-bit transceiver with 3-state outputs operating characteristics, v cc = 3.3v 0.3v, t a = 25c symbol parameter test conditions typical unit c pd power dissipation capacitance per transceiver outputs enabled c l = 0pf, f = 10mhz pf c pd power dissipation capacitance per transceiver outputs disabled note: 1. v ih and v il must be within the min. or max. range shown in the dc electrical characteristics over operating range table for the appropriat e v cc range. t a = ? 40c to + 85c. output drive characteristics (b port) symbol parameter test conditions (1) min. max. unit v oh output high voltage v cc = 2.3v to 3.6v i oh = ? 0.1ma v cc ? 0.2 ? v v cc = 2.3v i oh = ? 6ma 2 ? v cc = 2.3v i oh = ? 12ma 1.7 ? v cc = 2.7v 2.2 ? v cc = 3v 2.4 ? v cc = 3v i oh = ? 24ma 2 ? v ol output low voltage v cc = 2.3v to 3.6v i ol = 0.1ma ? 0.2 v v cc = 2.3v i ol = 6ma ? 0.4 i ol = 12ma ? 0.7 v cc = 2.7v i ol = 12ma ? 0.4 v cc = 3v i ol = 24ma ? 0.55 switching characteristics (b port) (1) v cc = 2.7v v cc = 3.3v 0.3v symbol parameter min. max. min. max. unit t plh propagation delay 1.5 4.7 1 4 ns t phl xax to xbx t pzh output enable time 1.5 6.7 1.5 5.5 ns t pzl x oe to xbx t phz output disable time 1.5 7.1 1.5 6.6 ns t plz x oe to xbx t sk (o) output skew (2) ?? ? 500 ps notes: 1. see test circuits and waveforms. t a = ? 40c to + 85c. 2. skew between any two outputs of the same package and switching in the same direction. switching characteristics (a port) (1) v cc = 2.7v v cc = 3.3v 0.3v symbol parameter min. max. min. max. unit t plh propagation delay 1.5 5.7 1.5 4.8 ns t phl xbx to xax t pzh output enable time 1.5 7.9 1.5 6.3 ns t pzl x oe to xax t phz output disable time 1.5 8.3 2.2 7.4 ns t plz x oe to xax t sk (o) output skew (2) ?? ? 500 ps notes: 1. see test circuits and waveforms. t a = ? 40c to + 85c. 2. skew between any two outputs of the same package and switching in the same direction.
industrial temperature range idt74lvc162245a 3.3v cmos 16-bit transceiver with 3-state outputs 5 open v load gnd v cc pulse generator d.u.t. 500 500 c l r t v in v out (1, 2) lvc link input v ih 0v v oh v ol t plh1 t sk (x) output 1 output 2 t phl1 t sk (x) t plh2 t phl2 v t v t v oh v t v ol t sk (x) = t plh2 - t plh1 or t phl2 - t phl1 lvc link same phase input transition opposite phase input transition 0v 0v v oh v ol t plh t phl t phl t plh output v ih v t v t v ih v t lvc link data input 0v 0v 0v 0v t rem timing input asynchronous control synchronous control t su t h t su t h v ih v t v ih v t v ih v t v ih v t lvc link low-high-low pulse high-low-high pulse v t t w v t lvc link control input t plz 0v output normally low t pzh 0v switch closed output normally high enable disable switch open t phz 0v v ol+ v lz v oh v t v t t pzl v load/2 v load/2 v ih v t v ol v oh- v hz lvc link test circuits and waveforms propagation delay test circuit for all outputs enable and disable times set-up, hold, and release times notes: 1. for t sk (o) output1 and output2 are any two outputs. 2. for t sk (b) output1 and output2 are in the same bank. definitions: c l = load capacitance: includes jig and probe capacitance. r t = termination resistance: should be equal to z out of the pulse generator. notes: 1. pulse generator for all pulses: rate 10mhz; t f 2.5ns; t r 2.5ns. 2. pulse generator for all pulses: rate 10mhz; t f 2ns; t r 2ns. output skew - t sk ( x ) pulse width note: 1. diagram shown for input control enable-low and input control disable-high. symbol v cc (1) = 3.3v0.3v v cc (1) = 2.7v v cc (2) = 2.5v0.2v unit v load 6 6 2 x vcc v v ih 2.7 2.7 vcc v v t 1.5 1.5 vcc / 2 v v lz 300 300 150 mv v hz 300 300 150 mv c l 50 50 30 pf test conditions switch position test switch open drain disable low v load enable low disable high gnd enable high all other tests open
industrial temperature range 6 idt74lvc162245a 3.3v cmos 16-bit transceiver with 3-state outputs ordering information xx lvc xxxx xx package device type temp. range pv pa pag pf 162 74 shrink small outline package thin shrink small outline package tssop - green thin very small outline package 16-bit bus transceiver -40c to +85c xxx family bus-hold 245a no bus-hold double-density 3.3volt with resistors, 12ma (a port) blank 24ma (b port) corporate headquarters for sales: for tech support: 6024 silver creek valley road 800-345-7015 or 408-284-8200 logichelp@idt.com san jose, ca 95138 fax: 408-284-2775 www.idt.com
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