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rev.2.00, jan.07.2004, page 1 of 17 HD74ALVC166245A 16?bit dual?supply bus transceiver with 3?state outputs rej03d0158?0200z rev.2.00 jan.07.2004 description the HD74ALVC166245A has 16 bus transceivers with three state outputs in a 48-pin package. when (dir) is high, data flows from the a inputs to the b outputs, and when (dir) is low, data flows from the b inputs to the a outputs. a and b bus are separated by making enable input ( oe ) high level. this 16-bit non-inverting bus transceiver uses two separate power-supply rails. and this product has two terminals (v cca , v ccb ), v cca is connected with a bus side, v ccb is connected with control input and b bus. v cca and v ccb are isolated. the a port is designed to track v cca , which accepts voltages from 1.2 v to 2.7 v, and the b port is designed to track v ccb , which operates at 1.4 v to 3.6 v. therefore, bidirectional broad voltage conversion is possible. low voltage and high-speed operation is suitable at the battery drive product (note type personal computer) and low power consumption extends the lif e of a battery for long time operation.
HD74ALVC166245A rev.2.00, jan.07.2004, page 2 of 17 features ? this product function as level shift transceiver that change v cca input level to v ccb output level, v ccb input level to v cca output level by providing different supply voltage to v cca and v ccb . ? v cca = 1.2 v to 2.7 v, v ccb = 1.4 v to 3.6 v (v cca < v ccb ) ? all control input v i (max) = 3.6 v (@v ccb = 0 v to 3.6 v) ? all a bus side input outputs v i/o (max) = 3.6 v (@v cca = 0 v or output off state) ? all b bus side input outputs v i/o (max) = 3.6 v (@v ccb = 0 v or output off state) ? high output current a bus side: 2 ma (@v cca = 1.2 v) b bus side: 4 ma (@v ccb = 1.50.1 v) 4 ma (@v cca = 1.50.1 v) 6 ma (@v ccb = 1.80.15 v) 6 ma (@v cca = 1.80.15 v) 18 ma (@v ccb = 2.50.2 v) 18ma (@v cca = 2.50.2 v) 24 ma (@v ccb = 3.30.3 v) ? ordering information part name package type package code package abbreviation taping abbreviation (quantity) HD74ALVC166245Atel tssop?48pin ttp?48dbv t el (1,000pcs / reel) function table inputs 1oe 1dir operation l l 1b1?1b8 data to 1a1?1a8 bus l h 1a1?1a8 data to 1b1?1b8 bus hx z h : high level l : low level x : immaterial z : high impedance inputs 2oe 2dir operation l l 2b1?2b8 data to 2a1?2a8 bus l h 2a1?2a8 data to 2b1?2b8 bus hx z
HD74ALVC166245A rev.2.00, jan.07.2004, page 3 of 17 pin arrangement 1 2 3 4 5 6 7 8 9 10 1dir 1b1 1b2 gnd 1b3 1b4 vccb 1b5 gnd 1b7 1b8 2b1 2b2 gnd 2b3 2b4 vccb 2b5 2b6 gnd 2b7 2b8 2dir 1b6 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 2 oe 2a8 2a7 2a6 2a5 2a1 2a4 2a3 1a8 gnd 1a6 1a5 vcca vcca 1a4 1a3 1a2 1 oe 1a1 gnd gnd 2a2 1a7 gnd (top view)
HD74ALVC166245A rev.2.00, jan.07.2004, page 4 of 17 absolute maximum ratings item symbol ratings unit conditions supply voltage v cca , v ccb ?0.5 to 4.6 v input voltage *1 v i ?0.5 to 4.6 v dir, oe ?0.5 to v cca +0.5 a port output ?h? or ?l? ?0.5 to 4.6 a port output ?z? or v cca : off ?0.5 to v ccb +0.5 b port output ?h? or ?l? input / output voltage v i/o ?0.5 to 4.6 v b port output ?z? or v ccb : off input diode current i ik ?50 ma v i < 0 ?50 v o < 0 output diode current i ok 50 ma v o > v cc +0.5 output current i o 50 ma v cca , v ccb , gnd current i cca , i ccb , i gnd 100 ma maximum power dissipation at ta = 55c (in still air) *2 p t 850 mw tssop storage temperature tstg ?65 to 150 c notes: the absolute maximum ratings are values, which must not individually be exceeded, and furthermore, no two of which may be realized at the same time. 1. the input and output voltage ratings may be exce eded even if the input and output clamp-current ratings are observed. 2. the maximum package power dissipation was ca lculated using a junction temperature of 150c.
HD74ALVC166245A rev.2.00, jan.07.2004, page 5 of 17 recommended operating conditions item symbol ratings unit conditions v ccb 1.4 to 3.6 supply voltage v cca 1.2 to 2.7 v v i 0 to 3.6 dir, oe 0 to v cca a port output ?h? or ?l? 0 to 3.6 a port output ?z? or v cca : off 0 to v ccb b port output ?h? or ?l? input / output voltage v i/o 0 to 3.6 v b port output ?z? or v ccb : off ?4 v ccb = 1.50.1 v ?6 v ccb = 1.80.15 v ?18 v ccb = 2.50.2 v i ohb ?24 v ccb = 3.30.3 v ?2 v cca = 1.2 v ?4 v cca = 1.50.1 v ?6 v cca = 1.80.15 v i oha ?18 v cca = 2.50.2 v 4v ccb = 1.50.1 v 6v ccb = 1.80.15 v 18 v ccb = 2.50.2 v i olb 24 v ccb = 3.30.3 v 2v cca = 1.2 v 4v cca = 1.50.1 v 6v cca = 1.80.15 v output current i ola 18 ma v cca = 2.50.2 v input transition rise or fall time ? t / ? v 10 ns / v operating temperature ta ?40 to 85 c note: unused or floating inputs must be held high or low.
HD74ALVC166245A rev.2.00, jan.07.2004, page 6 of 17 block diagram 1 o e 1a1 1dir 1b1 48 47 1 2 to seven other channels to seven other channels 2 o e 2a1 2dir 2b1 25 36 24 13
HD74ALVC166245A rev.2.00, jan.07.2004, page 7 of 17 electrical characteristics (ta = ?40 to 85c) item symbol v ccb (v) v cca (v) min max unit test conditions 1.50.1 1.2 v ccb 0.70 ? 1.80.15 1.2 to 1.6 v ccb 0.65 ? 2.50.2 1.2 to 1.95 1.6 ? v ihb 3.30.3 1.2 to 2.7 2.0 ? b port control input 1.4 to 3.6 1.2 v cca 0.75 ? 1.65 to 3.6 1.50.1 v cca 0.70 ? 2.3 to 3.6 1.80.15 v cca 0.65 ? v iha 3.0 to 3.6 2.50.2 1.6 ? a port 1.50.1 1.2 ? v ccb 0.30 1.80.15 1.2 to 1.6 ? v ccb 0.35 2.50.2 1.2 to 1.95 ? 0.7 v ilb 3.30.3 1.2 to 2.7 ? 0.8 b port control input 1.4 to 3.6 1.2 ? v cca 0.25 1.65 to 3.6 1.50.1 ? v cca 0.30 2.3 to 3.6 1.80.15 ? v cca 0.35 a port input voltage v ila 3.0 to 3.6 2.50.2 ? 0.7 v v ccb ?0.2 ? i oh = ?100 a 1.50.1 1.2 1.1 ? i oh = ?4 ma v ccb ?0.2 ? i oh = ?100 a 1.80.15 1.2 to 1.6 1.25 ? i oh = ?6 ma v ccb ?0.2 ? i oh = ?100 a 2.50.2 1.2 to 1.95 1.70 ? i oh = ?18 ma v ccb ?0.2 ? i oh = ?100 a v ohb 3.30.3 1.2 to 2.7 2.20 ? i oh = ?24 ma v cca ?0.2 ? i oh = ?100 a 1.4 to 3.6 1.2 0.90 ? i oh = ?2 ma v cca ?0.2 ? i oh = ?100 a 1.65 to 3.6 1.50.1 1.10 ? i oh = ?4 ma v cca ?0.2 ? i oh = ?100 a 2.3 to 3.6 1.80.15 1.25 ? i oh = ?6 ma v cca ?0.2 ? i oh = ?100 a output voltage v oha 3.0 to 3.6 2.50.2 1.70 ? v i oh = ?18 ma
HD74ALVC166245A rev.2.00, jan.07.2004, page 8 of 17 electrical characteristics (cont) (ta = ?40 to 85c) item symbol v ccb (v) v cca (v) min max unit test conditions ? 0.2 i ol = 100 a 1.50.1 1.2 ? 0.3 i ol = 4 ma ? 0.2 i ol = 100 a 1.80.15 1.2 to 1.6 ? 0.3 i ol = 6 ma ? 0.2 i ol = 100 a 2.50.2 1.2 to 1.95 ? 0.6 i ol = 18 ma ? 0.2 i ol = 100 a v olb 3.30.3 1.2 to 2.7 ? 0.55 i ol = 24 ma ? 0.2 i ol = 100 a 1.4 to 3.6 1.2 ? 0.3 i ol = 2 ma ? 0.2 i ol = 100 a 1.65 to 3.6 1.50.1 ? 0.3 i ol = 4 ma ? 0.2 i ol = 100 a 2.3 to 3.6 1.80.15 ? 0.3 i ol = 6 ma ? 0.2 i ol = 100 a output voltage v ola 3.0 to 3.6 2.50.2 ? 0.6 v i ol = 18 ma input current i in 3.6 2.7 ? 5.0 av i = gnd or v ccb control input off state output current i oz 3.6 2.7 ? 10 av in = v ih or v il output leak current i off 00 ? 10 av in , v out = 0 to 3.6 v i ccb 3.6 2.7 ? 20 i o (b port) = 0, a in = v cca or gnd i cca 3.6 2.7 ? 20 i o (a port) = 0, b in = v ccb or gnd i ccb 3.6 2.7 ? 20 v ccb (v in , v out ) 3.6 v quiescent supply current i cca 3.6 2.7 ? 20 a v cca (v in , v out ) 3.6 v ? i ccb 3.6 2.7 ? 750 a b port or control input one input at v ccb ?0.6 v other input at v ccb or gnd increase in i cc per input* 1 ? i cca 3.6 2.7 ? 750 a a port one input at v cca ?0.6 v other input at v cca or gnd notes: for condition shown as min or max use the appropriate values under recommended operating conditions. 1. this is the increase in supply current for each input that is at the s pecified ttl voltage level rather than v cc or gnd.
HD74ALVC166245A rev.2.00, jan.07.2004, page 9 of 17 capacitance (ta = 25c) item symbol v cca (v) v ccb (v) min typ max unit test conditions control input capacitance c in 2.5 3.3 ? 4 ? pf v i = v ccb or gnd input / output capacitance c i/o 2.5 3.3 ? 9 ? pf a port, v i = v cca or gnd, b port, v i = v ccb or gnd switching characteristics (ta = ?40 to 85c) ? v ccb = 3.30.3 v, v cca = 2.50.2 v item symbol min typ max unit test conditions from(input) to(output) t plh 0.8 ? 4.4 t phl 0.8 ? 4.4 ba t plh 0.6 ? 4.0 propagation delay time t phl 0.6 ? 4.0 ns c l = 30 pf r l = 500 ? ab t zh 0.8 ? 4.6 t zl 0.8 ? 4.6 oe a t zh 0.6 ? 4.0 output enable time t zl 0.6 ? 4.0 ns c l = 30 pf r l = 500 ? oe b t hz 0.8 ? 4.4 t lz 0.8 ? 4.4 oe a t hz 0.6 ? 4.8 output disable time t lz 0.6 ? 4.8 ns c l = 30 pf r l = 500 ? oe b
HD74ALVC166245A rev.2.00, jan.07.2004, page 10 of 17 switching characteristics (cont) (ta = ?40 to 85c) ? v ccb = 3.30.3 v, v cca = 1.80.15 v item symbol min typ max unit test conditions from(input) to(output) t plh 1.5 ? 6.2 t phl 1.5 ? 6.2 ba t plh 0.6 ? 5.1 propagation delay time t phl 0.6 ? 5.1 ns c l = 30 pf r l = 500 ? ab t zh 1.5 ? 8.2 t zl 1.5 ? 8.2 oe a t zh 0.6 ? 5.1 output enable time t zl 0.6 ? 5.1 ns c l = 30 pf r l = 500 ? oe b t hz 0.8 ? 4.5 t lz 0.8 ? 4.5 oe a t hz 0.6 ? 5.6 output disable time t lz 0.6 ? 5.6 ns c l = 30 pf r l = 500 ? oe b ? v ccb = 3.30.3 v, v cca = 1.50.1 v item symbol min typ max unit test conditions from(input) to(output) t plh 1.5 ? 5.5 t phl 1.5 ? 5.5 ba t plh 0.6 ? 5.5 propagation delay time t phl 0.6 ? 5.5 ns c l = 30 pf r l = 500 ? ab t zh 1.5 ? 10.0 t zl 1.5 ? 10.0 oe a t zh 0.6 ? 6.0 output enable time t zl 0.6 ? 6.0 ns c l = 30 pf r l = 500 ? oe b t hz 1.5 ? 6.0 t lz 1.5 ? 6.0 oe a t hz 0.6 ? 6.0 output disable time t lz 0.6 ? 6.0 ns c l = 30 pf r l = 500 ? oe b
HD74ALVC166245A rev.2.00, jan.07.2004, page 11 of 17 switching characteristics (cont) (ta = ?40 to 85c) ? v ccb = 3.30.3 v, v cca = 1.2 v item symbol min typ max unit test conditions from(input) to(output) t plh ? 4.0 ? t phl ? 4.0 ? ba t plh ? 3.5 ? propagation delay time t phl ? 3.5 ? ns c l = 30 pf r l = 500 ? ab t zh ? 5.0 ? t zl ? 5.0 ? oe a t zh ? 2.5 ? output enable time t zl ? 2.5 ? ns c l = 30 pf r l = 500 ? oe b t hz ? 3.0 ? t lz ? 3.0 ? oe a t hz ? 2.5 ? output disable time t lz ? 2.5 ? ns c l = 30 pf r l = 500 ? oe b ? v ccb = 2.50.2 v, v cca = 1.80.15 v item symbol min typ max unit test conditions from(input) to(output) t plh 1.5 ? 5.8 t phl 1.5 ? 5.8 ba t plh 0.8 ? 5.5 propagation delay time t phl 0.8 ? 5.5 ns c l = 30 pf r l = 500 ? ab t zh 1.5 ? 8.3 t zl 1.5 ? 8.3 oe a t zh 0.8 ? 5.3 output enable time t zl 0.8 ? 5.3 ns c l = 30 pf r l = 500 ? oe b t hz 0.8 ? 4.6 t lz 0.8 ? 4.6 oe a t hz 0.8 ? 5.2 output disable time t lz 0.8 ? 5.2 ns c l = 30 pf r l = 500 ? oe b
HD74ALVC166245A rev.2.00, jan.07.2004, page 12 of 17 switching characteristics (cont) (ta = ?40 to 85c) ? v ccb = 2.50.2 v, v cca = 1.50.1 v item symbol min typ max unit test conditions from(input) to(output) t plh 1.5 ? 6.0 t phl 1.5 ? 6.0 ba t plh 0.8 ? 6.0 propagation delay time t phl 0.8 ? 6.0 ns c l = 30 pf r l = 500 ? ab t zh 1.5 ? 10.0 t zl 1.5 ? 10.0 oe a t zh 1.5 ? 7.0 output enable time t zl 1.5 ? 7.0 ns c l = 30 pf r l = 500 ? oe b t hz 1.5 ? 6.0 t lz 1.5 ? 6.0 oe a t hz 1.5 ? 6.0 output disable time t lz 1.5 ? 6.0 ns c l = 30 pf r l = 500 ? oe b ? v ccb = 2.50.2 v, v cca = 1.2 v item symbol min typ max unit test conditions from(input) to(output) t plh ? 4.0 ? t phl ? 4.0 ? ba t plh ? 3.5 ? propagation delay time t phl ? 3.5 ? ns c l = 30 pf r l = 500 ? ab t zh ? 5.5 ? t zl ? 5.5 ? oe a t zh ? 3.5 ? output enable time t zl ? 3.5 ? ns c l = 30 pf r l = 500 ? oe b t hz ? 3.0 ? t lz ? 3.0 ? oe a t hz ? 2.5 ? output disable time t lz ? 2.5 ? ns c l = 30 pf r l = 500 ? oe b
HD74ALVC166245A rev.2.00, jan.07.2004, page 13 of 17 switching characteristics (cont) (ta = ?40 to 85c) ? v ccb = 1.80.15 v, v cca = 1.50.1 v item symbol min typ max unit test conditions from(input) to(output) t plh 1.5 ? 7.0 t phl 1.5 ? 7.0 ba t plh 1.5 ? 7.0 propagation delay time t phl 1.5 ? 7.0 ns c l = 30 pf r l = 500 ? ab t zh 1.5 ? 10.0 t zl 1.5 ? 10.0 oe a t zh 1.5 ? 8.0 output enable time t zl 1.5 ? 8.0 ns c l = 30 pf r l = 500 ? oe b t hz 1.5 ? 6.0 t lz 1.5 ? 6.0 oe a t hz 1.5 ? 7.0 output disable time t lz 1.5 ? 7.0 ns c l = 30 pf r l = 500 ? oe b ? v ccb = 1.80.15 v, v cca = 1.2 v item symbol min typ max unit test conditions from(input) to(output) t plh ? 4.5 ? t phl ? 4.5 ? ba t plh ? 4.0 ? propagation delay time t phl ? 4.0 ? ns c l = 30 pf r l = 500 ? ab t zh ? 6.0 ? t zl ? 6.0 ? oe a t zh ? 4.5 ? output enable time t zl ? 4.5 ? ns c l = 30 pf r l = 500 ? oe b t hz ? 3.5 ? t lz ? 3.5 ? oe a t hz ? 3.5 ? output disable time t lz ? 3.5 ? ns c l = 30 pf r l = 500 ? oe b
HD74ALVC166245A rev.2.00, jan.07.2004, page 14 of 17 switching characteristics (cont) (ta = ?40 to 85c) ? v ccb = 1.50.1 v, v cca = 1.2 v item symbol min typ max unit test conditions from(input) to(output) t plh ? 5.0 ? t phl ? 5.0 ? ba t plh ? 5.0 ? propagation delay time t phl ? 5.0 ? ns c l = 30 pf r l = 500 ? ab t zh ? 7.0 ? t zl ? 7.0 ? oe a t zh ? 6.0 ? output enable time t zl ? 6.0 ? ns c l = 30 pf r l = 500 ? oe b t hz ? 4.5 ? t lz ? 4.5 ? oe a t hz ? 4.0 ? output disable time t lz ? 4.0 ? ns c l = 30 pf r l = 500 ? oe b operating characteristics item symbol v cca (v) v ccb (v) min typ max unit test conditions power dissipation capacitance c pd 2.5 3.3 ? 40 ? pf f = 10 mhz c l = 0 power-up considerations level-translation devices offer an opportunity for successful mixed-voltage signal design. a proper power-up sequence always should be followed to avoid excessive supply current, bus contention, oscillations, or other anomalies caused by improperly biased device pins. take these precautions to guard against such power-up problems. 1. connect ground before any supply voltage is applied. 2. next, power up the control side of the device. (power up of v ccb is first. next power up is v cca .) 3. tie oe to v ccb with a pullup resistor so that it ramps with v ccb . 4. depending on the direction of the data path, dir can be high or low. if dir high is needed (a data to b bus), ramp it with v ccb . otherwise, dir low is needed (b data to a bus), ramp it with gnd.
HD74ALVC166245A rev.2.00, jan.07.2004, page 15 of 17 test circuit open s1 c l = 30 pf *1 500 ? 500 ? gnd t / t plh phl t / t zh hz t / t zl lz open open gnd gnd v cca = 2.50.2 v v ccb = 3.30.3 v v ccb = 2.50.2 v v ccb = 1.80.15 v = 1.80.15 v = 1.50.1 v = 1.2 v v cca = 1.80.15 v = 1.50.1 v = 1.2 v v cca = 1.50.1 v = 1.2 v b/ oe to a a/ oe to b 2 v ccb 2 v ccb 2 v ccb 2 v cca 2 v cca open open gnd gnd b/ oe to a a/ oe to b open open gnd gnd b/ oe to a a/ oe to b 2 v cca 2 v cca v ccb = 1.50.1 v v cca = 1.2 v open open gnd gnd b/ oe to a a/ oe to b 6 v see under table load circuit for outputs symbol note: 1. c l includes probe and jig capacitance. waveforms ? 1 10 % v m v m v m v m 90 % t r 90 % v ih gnd 10 % t f t plh v t phl oh v ol input output
HD74ALVC166245A rev.2.00, jan.07.2004, page 16 of 17 waveforms ? 2 v oh v ol 10 % 10 % v m v m v x v m v y v m 90 % t f 90 % v ih v oh gnd gnd t r t hz t lz t zh t zl v x v y v m v ih v cc v cc v cc v cc v cc 2.7 v v ol + 0.3 v v oh ? 0.3 v v oh ? 0.15 v v oh ? 0.15 v v oh ? 0.1 v v oh ? 0.1 v v ol + 0.15 v v ol + 0.15 v v ol + 0.1 v v ol + 0.1 v 3.30.3 v 2.50.2 v 1.80.15 v 1.50.1 v 1/2 v cc 1/2 v cc 1/2 v cc 1/2 v cc 1.2 v 1.5 v output control waveform?a waveform?b symbol notes: 1. all input pulses are supplied by generators having the following characteristics: prr 10 mhz, zo = 50 ?, t r 2.0 ns, t f 2.0 ns. 2. waveform ? a is for an output with internal conditions such that the output is low except when disabled by the output control. 3. waveform ? b is for an output with internal conditions such that the output is high except when disabled by the output control. 4. the output are measured one at a time with one transition per measurement.
HD74ALVC166245A rev.2.00, jan.07.2004, page 17 of 17 package dimensions package code jedec jeita mass (reference value) ttp?48dbv ? ? 0.20 g *pd plating 0.08 m 0.10 *0.15 0.05 8.10 0.20 0.50 0.1 0.65 max 124 25 48 12.5 6.10 0? ? 8? 0.50 1.20 max 0.10 0.05 12.7 max 1.0 *0.19 0.05 as of january, 2002 unit: mm
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