industrial temperature range idt74alvch32245 3.3v cmos 32-bit bus transceiver with 3-state outputs 1 june 2016 industrial temperature range idt and the idt logo are registered trademarks of integrated device technology, inc. ?2016 integrated device technology, inc. dsc-4907/7 features: ? 0.5 micron cmos technology ? 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 ?v cc = 2.5v 0.2v ? cmos power levels (0.4 w typ. static) ? rail-to-rail output swing for increased noise margin ? available in 96-ball lfbga package functional block diagram drive features: ? high output drivers: 24ma ? suitable for heavy loads applications: ? 3.3v high speed systems ? 3.3v and lower voltage computing systems idt74alvch32245 3.3v cmos 32-bit bus transceiver with 3-state outputs and bus-hold description: this 32-bit bus transceiver is built using advanced dual metal cmos technology. this high-speed, low power transceiver is ideal for asynchro- nous communication between two busses (a and b). the direction and output enable controls are designed to operate the device as either four independent 8-bit transceivers or one 32-bit transceiver. the direction control pins (dir) control the direction of data flow. the output enable pins ( oe ) override the direction control and disable both ports. all inputs are designed with hysteresis for improved noise margin. the alvch32245 has been designed with a 24ma output driver. this driver is capable of driving a moderate to heavy load while maintaining speed performance. the alvch32245 has ?bus-hold? which retains the inputs? last state whenever the input bus goes to a high impedance. this prevents floating inputs and eliminates the need for pull-up/down resistors. 1 dir 1 a 1 1 b 1 1 oe to seven other channels 3 dir 3 a 1 3 b 1 3 oe 2 dir 2 a 1 2 b 1 2 oe 4 dir 4 a 1 4 b 1 4 oe a3 a5 h3 e5 a4 a2 h4 e2 j3 j5 j4 j2 t3 n5 t4 n2 to seven other channels to seven other channels to seven other channels
industrial temperature range 2 idt74alvch32245 3.3v cmos 32-bit bus transceiver with 3-state outputs lfbga topview 96 ball lfbga package attributes pin configuration 1.5mm max. 1.4mm nom. 1.3mm min. 0.8mm 6 5 4 3 2 1 top view abcde fghjklmnprt abcdefghjk lmnprt 6 5 4 3 2 1 13.5mm 5.5mm a b c e f g h j k l m n p d r t 6 5 4 3 2 1 1 a 6 1 a 8 2 a 1 2 a 2 2 a 4 2 a 7 1 a 4 1 a 5 1 a 7 2 a 6 2 a 8 2 a 3 2 a 5 1 a 2 1 a 3 1 a 1 v cc gnd 3 a 8 3 a 2 3 a 4 4 a 1 4 a 3 4 a 2 3 a 3 3 a 5 4 a 4 3 a 1 4 a 6 v cc 1 b 1 gnd gnd v cc 1 b 2 1 b 3 4 b 6 4 b 7 gnd 2 b 2 2 b 4 1 b 4 1 b 5 1 b 7 2 b 6 2 b 8 3 b 7 4 b 2 3 b 3 3 b 5 4 b 4 3 b 1 1 b 6 1 b 8 2 b 1 2 b 7 2 b 3 2 b 5 3 b 6 3 b 8 3 b 2 3 b 4 4 b 1 4 b 3 gnd v cc gnd v cc gnd gnd v cc gnd gnd gnd 3 a 7 3 a 6 gnd 1 oe 3 oe 4 a 5 4 a 7 4 a 8 4 oe 4 b 8 4 b 5 v cc gnd 2 dir 1 dir v cc gnd gnd gnd 2 oe 3 dir 4 dir
industrial temperature range idt74alvch32245 3.3v cmos 32-bit bus transceiver with 3-state outputs 3 pin names description xoe output enable inputs (active low) xdir direction control inputs x a x side a inputs or 3-state outputs (1) x b x side b inputs or 3-state outputs (1) pin description symbol description max unit v term (2) terminal voltage with respect to gnd ?0.5 to +4.6 v v term (3) terminal voltage with respect to gnd ?0.5 to v cc +0.5 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 v i < 0 or v i > v cc i ok continuous clamp current, v o < 0 ?50 ma 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 . note: 1. these pins have "bus-hold". all other pins are standard inputs, outputs, or i/os. function table (each 8-bit section) (1) note: 1. h = high voltage level l = low voltage level x = don?t care z = high impedance inputs x oe xdir outputs l l bus b data to bus a l h bus a data to bus b h x high z state note: 1. as applicable to the device type. symbol parameter (1) conditions typ. max. unit c in input capacitance v in = 0v 5 7 pf c out output capacitance v out = 0v 7 9 pf c i/o i/o port capacitance v in = 0v 7 9 pf capacitance (t a = +25c, f = 1.0mhz)
industrial temperature range 4 idt74alvch32245 3.3v cmos 32-bit bus transceiver with 3-state outputs symbol param eter 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 high current v cc = 3.6v v i = v cc ?? 5 a i il input low current v cc = 3.6v v i = gnd ? ? 5 a i ozh high impedance output current v cc = 3.6v v o = v cc ?? 10 a i ozl (3-state output pins) v o = gnd ? ? 10 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 ? 0.1 40 a i cch v in = gnd or v cc i ccz i cc quiescent power supply current one input at v cc - 0.6v, other inputs at v cc or gnd ? ? 750 a variation dc electrical characteristics over operating range following conditions apply unless otherwise specified: operating condition: t a = ?40c to +85c note: 1. typical values are at v cc = 3.3v, +25c ambient. bus-hold characteristics symbol parameter (1) test conditions min. typ. (2) max. unit i bhh bus-hold input sustain current v cc = 3v v i = 2v ? 75 ? ? a i bhl v i = 0.8v 75 ? ? i bhh bus-hold input sustain current v cc = 2.3v v i = 1.7v ? 45 ? ? a i bhl v i = 0.7v 45 ? ? i bhho bus-hold input overdrive current v cc = 3.6v v i = 0 to 3.6v ? ? 500 a i bhlo notes: 1. pins with bus-hold are identified in the pin description. 2. typical values are at v cc = 3.3v, +25c ambient.
industrial temperature range idt74alvch32245 3.3v cmos 32-bit bus transceiver with 3-state outputs 5 operating characteristics, t a = 25c v cc = 2.5v 0.2v v cc = 3.3v 0.3v symbol parameter test conditions typical typical unit c pd power dissipation capacitance per driver outputs enabled c l = 0pf, f = 10mhz 44 58 pf c pd power dissipation capacitance per driver outputs disabled 8 10 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 (1) v cc = 2.5v 0.2v v cc = 2.7v v cc = 3.3v 0.3v symbol parameter min. max. min. max. min. max. unit t plh propagation delay 1 3.7 ? 3.6 1 3 ns t phl xax to xbx or xbx to xax t pzh output enable time 1 5.7 ? 5.4 1 4.4 ns t pzl xoe to xax to xbx t phz output disable time 1 5.2 ? 4.6 1 4.1 ns t plz xoe to xax to xbx t sk(o) output skew (2) ? ???? 500 ps 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 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
industrial temperature range 6 idt74alvch32245 3.3v cmos 32-bit bus transceiver with 3-state outputs open v load gnd v cc pulse generator d.u.t. 500 500 c l r t v in v out (1, 2) alvc 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 alvc 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 alvc link data input 0v 0v 0v 0v t rem timing input 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 alvc link asynchronous control low-high-low pulse high-low-high pulse v t t w v t alvc 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 lz v oh v t v t t pzl v load/2 v load/2 v ih v t v ol v hz alvc 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 1.0mhz; t f 2.5ns; t r 2.5ns. 2. pulse generator for all pulses: rate 1.0mhz; 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 idt74alvch32245 3.3v cmos 32-bit bus transceiver with 3-state outputs 7 ordering information xx alvc xxxx xx package device type temp. range 32 74 32-bit bus transceiver with 3-state outputs -40c to +85c xxx family bus-hold 245 bus-hold 32-bit bus density, 24ma h bf bfg low profile fine pitch ball grid array lfbga - green blank 8 tray tape and reel x 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 datasheet document history 06/15/2016 pg. 7 updated the ordering information by adding tape and reel information.
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