1/10 february 2003 n 3.6v tolerant inputs and outputs n high speed : t pd = 4.2 ns (max.) at v cc =3.0to3.6v t pd = 4.9 ns (max.) at v cc =2.3to2.7v t pd = 6.5 ns (max.) at v cc =1.65v n power down protection on inputs and outputs n symmetrical output impedance: |i oh |=i ol = 12ma (min) at v cc =3.0v |i oh |=i ol =6ma(min)atv cc =2.3v |i oh |=i ol =2ma(min)atv cc = 1.65v n bus hold provided on data inputs n 26 w serie resistors in outputs n operating voltage range: v cc (opr) = 1.65v to 3.6v n pin and function compatible with 74 series 16240 n latch-up performance exceeds 300ma (jesd 17) n esd performance: hbm > 2000v (mil std 883 method 3015); mm > 200v description the 74alvch162240 is a low voltage cmos 16 bit bus buffer (inverted) fabricated with sub-micron silicon gate and five-layer metal wiring c 2 mos technology. it is ideal for low power and very high speed 1.65 to 3.6v applications; it can be interfaced to 3.6v signal environment for both inputs and outputs. any ng output control governs four bus buffers. output enable input (ng ) tied together gives full 16-bit operation. when ng is low, the outputs are enabled. when ng is high, the output are in high impedance state. active bus-hold circuitry is provided to hold unused or floating data inputs at a valid logic level. this device is designed to be used with 3 state memory address drivers, etc. the device circuits is including 26 w series resistance in the outputs. these resistors permit to reduce line noise in high speed applications. all inputs and outputs are equipped with protection circuits against static discharge, giving them 2kv esd immunity and transient excess voltage. 74alvch162240 low voltage cmos 16-bit bus buffer (3-state) with 3.6v tolerant inputs and outputs this is preliminary information on a new product now in development are or undergoing evaluation. details subject to change without notice. order codes package tube t & r tssop 74ALVCH162240TTR tssop preliminary data pin connection
74alvch162240 2/10 input and output equivalent circuit pin description truth table x : dont care z : high impedance iec logic symbols pin no symbol name and function 11g output enable input 2, 3, 5, 6 1y1 to 1y4 data outputs 8, 9, 11, 12 2y1 to 2y4 data outputs 13, 14, 16, 17 3y1 to 3y4 data outputs 19, 20, 22, 23 4y1 to 4y4 data outputs 24 4g output enable input 25 3g output enable input 30, 29, 27, 26 4a1 to 4a4 data outputs 36, 35, 33, 32 3a1 to 3a4 data outputs 41, 40, 38, 37 2a1 to 2a4 data outputs 47, 46, 44, 43 1a1 to 1a4 data outputs 48 2g output enable input 4, 10, 15, 21, 28, 34, 39, 45 gnd ground (0v) 7, 18, 31, 42 v cc positive supply voltage inputs output g an yn llh lhl hxz
74alvch162240 3/10 absolute maximum ratings absolute maximum ratings are those values beyond which damage to the device may occur. functional operation under these conditions is not implied 1) i o absolute maximum rating must be observed 2) v o v cc recommended operating conditions 1) v in from 0.8v to 2v at v cc =3.0v symbol parameter value unit v cc supply voltage -0.5 to +4.6 v v i dc input voltage -0.5 to +4.6 v v o dc output voltage (off state) -0.5 to +4.6 v v o dc output voltage (high or low state) (note 1) -0.5 to v cc + 0.5 v i ik dc input diode current -50 ma i ok dc output diode current (note 2) -50 ma i o dc output current 50 ma i cc or i gnd dc v cc or ground current per supply pin 100 ma p d power dissipation 400 mw t stg storage temperature -65 to +150 c t l lead temperature (10 sec) 300 c symbol parameter value unit v cc supply voltage 1.65 to 3.6 v v i input voltage -0.3 to 3.6 v v o output voltage (off state) 0 to 3.6 v v o output voltage (high or low state) 0 to v cc v i oh ,i ol high or low level output current (v cc = 3.0 to 3.6v) 12 ma i oh ,i ol high or low level output current (v cc = 2.3 to 2.7v) 6ma i oh ,i ol high or low level output current (v cc = 1.65 to 1.95 v) 2ma t op operating temperature -55 to 125 c dt/dv input rise and fall time (note 1) 0 to 10 ns/v
74alvch162240 4/10 dc specifications symbol parameter test condition value unit v cc (v) -40 to 85 c -55 to 125 c min. max. min. max. v ih high level input voltage 1.65 to 1.95 0.65 vcc 0.65 vcc v 2.3 to 2.7 1.7 1.7 2.7 to 3.6 2.0 2.0 v il low level input voltage 1.65 to 1.95 0.35 vcc 0.35 vcc 2.3 to 2.7 0.7 0.7 2.7 to 3.6 0.8 0.8 v oh high level output voltage 1.65 to 3.6 i o =-100 m av cc -0.2 v cc -0.2 v 1.65 i o =-2 ma 1.2 1.2 2.3 i o =-4 ma 1.9 1.9 2.3 i o =-6 ma 1.7 1.7 2.7 i o =-8 ma 2.0 2.0 3.0 i o =-6 ma 2.4 2.4 3.0 i o =-12 ma 2.0 2.0 v ol low level output voltage 1.65 to 3.6 i o =100 m a 0.2 0.2 v 1.65 i o =2 ma 0.45 0.45 2.3 i o =4 ma 0.4 0.4 2.3 i o =6 ma 0.55 0.7 2.7 i o =8 ma 0.6 0.4 3.0 i o =12 ma 0.8 0.8 i i input leakage current 3.6 v i = 0 or 3.6v 5 5 m a i ihold bus hold input leakage current 1.65 v i =0.58 v +25 +25 m a 1.65 v i =1.07 v -25 -25 2.3 v i =0.7 v +45 +45 2.3 v i =1.7 v -45 -45 3.0 v i =0.8 v +75 +75 3.0 v i =2 v -75 -75 3.6 v i = 0 to 3.6 v 500 500 i off power off leakage current 0v i or v o = 3.6v 10 20 m a i oz high impedance output leakage current 3.6 v i =v ih or v il v o = 0 to v cc 5 10 m a i cc quiescent supply current 3.6 v i =v cc or gnd i o =0 40 40 m a d i cc i cc incr. per input 3.0 to 3.6 v ih =v cc - 0.6v 500 750 m a
74alvch162240 5/10 ac electrical characteristics 1) skew is defined as the absolute value of the difference between the actual propagation delay for any two outputs of the same device switch- ing in the same direction, either high or low (t oslh =|t plhm -t plhn |, t oshl =|t phlm -t phln |) 2) parameter guaranteed by design capacitive characteristics 1) c pd is defined as the value of the ics internal equivalent capacitance which is calculated from the operating current consumption without load. (refer to test circuit). average operating current can be obtained by the following equation. i cc(opr) =c pd xv cc xf in +i cc /16 (per circuit) symbol parameter test condition value unit v cc (v) c l (pf) r l ( w ) t s = t r (ns) -40 to 85 c -55 to 125 c min. max. min. max. t plh t phl propagation delay time 1.65 to 1.95 30 1000 2.0 1 6.5 1 6.5 ns 2.3 to 2.7 30 500 2.0 1 4.9 1 4.9 2.7 50 500 2.5 1 4.7 1 4.7 3.0 to 3.6 50 500 2.5 1 4.2 1 4.2 t pzl t pzh output enable time 1.65 to 1.95 30 1000 2.0 1 8.5 1 8.5 2.3 to 2.7 30 500 2.0 1 6.8 1 6.8 2.7 50 500 2.5 1 6.7 1 6.7 3.0 to 3.6 50 500 2.5 1 5.6 1 5.6 t plz t phz output disable time 1.65 to 1.95 30 1000 2.0 1 8.2 1 8.2 2.3 to 2.7 30 500 2.0 1 6.3 1 6.3 2.7 50 500 2.5 1 5.7 1 5.7 3.0 to 3.6 50 500 2.5 1 5.5 1 5.5 symbol parameter test condition value unit v cc (v) t a =25c min. typ. max. c in input capacitance control inputs 3.3 v in =v cc or gnd 3pf c in input capacitance data inputs 3.3 v in =v cc or gnd 6pf c out output capacitance 3.3 v in = 0 to v cc 7pf c pd power dissipation capacitance output enabled (note 1) 3.3 f in = 10mhz c l =50pf v in = 0 or v cc 19 pf 2.5 16 c pd power dissipation capacitance output disabled (note 1) 3.3 5 2.5 4
74alvch162240 6/10 test circuit r t =z out of pulse generator (typically 50 w ) test circuit and waveform symbol value test switch t plh ,t phl open t pzl ,t plz (v cc = 3.0 to 3.6v) 6v t pzl ,t plz (v cc = 2.3 to 2.7v) 2v cc t pzh ,t phz gnd symbol v cc 3.0 to 3.6v 2.7v 2.3 to 2.7v 1.65 to 1.95v v ih 2.7v 2.7v v cc v cc v m 1.5v 1.5v v cc /2 v cc /2 v x v ol +0.3v v ol +0.3v v ol +0.15v v ol +0.15v v y v oh -0.3v v oh -0.3v v oh -0.15v v oh -0.15v c l 50pf 50pf 30pf 30pf r l =r 1 500 w 500 w 500 w 1000 w t r =t r <2.5ns <2.5ns <2.0ns <2.0ns
74alvch162240 7/10 waveform 1 : propagation delays (f=1mhz; 50% duty cycle) waveform 2 : output enable and disable time (f=1mhz; 50% duty cycle)
74alvch162240 8/10 dim. mm. inch min. typ max. min. typ. max. a 1.2 0.047 a1 0.05 0.15 0.002 0.006 a2 0.9 0.035 b 0.17 0.27 0.0067 0.011 c 0.09 0.20 0.0035 0.0079 d 12.4 12.6 0.488 0.496 e 8.1 bsc 0.318 bsc e1 6.0 6.2 0.236 0.244 e 0.5 bsc 0.0197 bsc k0? 8?0? 8? l 0.50 0.75 0.020 0.030 tssop48 mechanical data c e b a2 a e1 d 1 pin 1 identification a1 l k e 7065588c
74alvch162240 9/10 dim. mm. inch min. typ max. min. typ. max. a 330 12.992 c 12.8 13.2 0.504 0.519 d 20.2 0.795 n 60 2.362 t 30.4 1.197 ao 8.7 8.9 0.343 0.350 bo 13.1 13.3 0.516 0.524 ko 1.5 1.7 0.059 0.067 po 3.9 4.1 0.153 0.161 p 11.9 12.1 0.468 0.476 tape & reel tssop48 mechanical data
74alvch162240 10/10 information furnished is believed to be accurate and reliable. however, stmicroelectronics assumes no res ponsibility for the consequences of use of such information nor for any infringement of patents or other rights of third parties which may result f rom its use. no license is granted by implication or otherwise under any patent or patent rights of stmicroelectronics. specificati ons mentioned in this publication are subject to change without notice. this publication supersedes and replaces all information previously supplied. stmicroelectronics products are not authorized for use as critical components in life support devi ces or systems without express written approval of stmicroelectronics. ? the st logo is a registered trademark of stmicroelectronics ? 2002 stmicroelectronics - printed in italy - all rights reserved stmicroelectronics group of companies australia - brazil - canada - china - finland - france - germany - hong kong - india - israel - italy - japan - malaysia - malt a - morocco singapore - spain - sweden - switzerland - united kingdom - united states. ? http://www.st.com
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