ws1m32v-xg3x 1 white electronic designs corporation ? (602) 437-1520 ? www.wedc.com white electronic designs white electronic designs corp. reserves the right to change products or speci? cations without notice. february, 2001 rev. 5 preliminary* 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 74 73 72 71 70 69 68 67 66 65 64 63 62 61 60 59 58 57 56 55 54 9 v cc a 0 a 1 a 2 a 3 a 4 a 5 a 6 oe# 1 oe# 2 oe# 3 oe# 4 nc a 7 a 8 a 9 a 10 a 11 a 12 a 13 gnd v cc i/o 0 i/o 1 i/o 2 i/o 3 i/o 4 i/o 5 i/o 6 i/o 7 cs# 1 nc cs# 2 i/o 8 i/o 9 i/o 10 i/o 11 i/o 12 i/o 13 i/o 14 i/o 15 gnd gnd nc nc nc nc nc nc nc nc we# 4 we# 3 we# 2 we# 1 nc nc a 18 a 17 a 16 a 15 a 14 v cc gnd i/o 31 i/o 30 i/o 29 i/o 28 i/o 27 i/o 26 i/o 25 i/o 24 nc nc nc i/o 23 i/o 22 i/o 21 i/o 20 i/o 19 i/o 18 i/o 17 i/o 16 v cc 8 7 6 5 4 3 1 8483828180797877 2 37 38 39 40 41 42 43 45 46 47 48 49 50 51 52 53 44 76 75 11 10 33 34 35 36 1mx32 sram 3.3v module features access times of 17, 20, 25ns 84 lead, 28mm cqfp, (package 511) organized as two banks of 512kx32, user con? gurable as 2mx16 or 4mx8 commercial, industrial and military temperature ranges ttl compatible inputs and outputs pin configuration for ws1m32v-xg3x pin description i/o0-31 data inputs/outputs a0-18 address inputs we#1-4 write enables cs#1-2 chip selects oe#1-4 output enables v cc +3.3v power supply gnd ground nc not connected top view 3.3v power supply low power cmos built-in decoupling caps and multiple ground pins for low noise operation weight - ws1m32v-xg3x - 20 grams typical *this product is under development, is not quali? ed or characterized and is subject to change without notice. block diagram 8 i/o0-7 cs#1 i/o8-15 cs#2 i/o16-23 i/o24-31 a0-18 we#1 8 2m x 8 8 512k x 8 8 512k x 8 2m x 8 512k x 8 512k x 8 2m x 8 512k x 8 512k x 8 2m x 8 512k x 8 512k x 8 oe#1 we#2 oe#2 we#3 oe#3 we#4 oe#4 note: cs#1& cs#2 are used as bank select the wedc 84 lead g3 cqfp ? lls the same ? t and function as the jedec 84 lead cqfj or 84 plcc. but the g3 has the tce and lead inspection advantage of the cqfp form. 1.146"
ws1m32v-xg3x 2 white electronic designs corporation ? (602) 437-1520 ? www.wedc.com white electronic designs white electronic designs corp. reserves the right to change products or speci? cations without notice. february, 2001 rev. 5 preliminary truth table cs# oe# we# mode data i/o power h x x standby high z standby l l h read data out active l x l write data in active l h h out disable high z active absolute maximum ratings parameter symbol min max unit operating temperature t a -55 125 c storage temperature t stg -65 +150 c signal voltage relative to gnd v g -0.5 4.6 v junction temperature t j 150 c supply voltage v cc -0.5 4.6 v recommended operating conditions parameter symbol min max unit supply voltage v cc 3.0 3.6 v input high voltage v ih 2.2 v cc + 0.3 v input low voltage v il -0.3 +0.8 v dc characteristics v cc = 3.3v 0.3v, -55c t a +125c parameter symbol conditions min max units input leakage current i li v in = gnd to v cc 10 a output leakage current i lo cs# = v ih , oe# = v ih , v out = gnd to v cc 10 a operating supply current (x 32 mode) i cc x 32 cs# = v il , oe# = v ih , f = 5mhz, v cc = 3.6v 520 ma standby current isb cs# = v ih , oe# = v ih , f = 5mhz, v cc = 3.6v 400 ma output low voltage v ol i ol = 4.0ma 0.4 v output high voltage v oh i oh = -4.0ma 2.4 v note: dc test conditions: v ih = v cc -0.3v, v il = 0.3v contact factory for low power option. capacitance t a = +25c parameter symbol conditions max unit oe#1-4 capacitance coe v in = 0v, f = 1.0mhz 20 pf we#1-4 capacitance cwe v in = 0v, f = 1.0mhz 20 pf cs#1-2 capacitance ccs v in = 0v, f = 1.0mhz 50 pf data i/o capacitance ci/o vi/o = 0v, f = 1.0mhz 20 pf address input capacitance cad v in = 0v, f = 1.0mhz 70 pf this parameter is guaranteed by design, but not tested.
ws1m32v-xg3x 3 white electronic designs corporation ? (602) 437-1520 ? www.wedc.com white electronic designs white electronic designs corp. reserves the right to change products or speci? cations without notice. february, 2001 rev. 5 preliminary notes: vz is programmable from -2v to +7v. i ol & i oh programmable from 0 to 16ma. tester impedance z0 = 75. vz is typically the midpoint of v oh and v ol . i ol & i oh are adjusted to simulate a typical resistive load circuit. ate tester includes jig capacitance. i oh current source d.u.t. c eff = 50 pf i ol v z 1.5v (bipolar supply) current source ac test conditions parameter typ unit input pulse levels v il = 0, v ih = 2.5 v input rise and fall 5 ns input and output reference level 1.5 v output timing reference level 1.5 v ac characteristics v cc = 3.3v, gnd = 0v, -55c t a +125c parameter symbol -17 -20 -25 units read cycle min max min max min max read cycle time t rc 17 20 25 ns address access time t aa 17 20 25 ns output hold from address change t oh 000ns chip select access time t acs 17 20 25 ns output enable to output valid t oe 10 10 12 ns chip select to output in low z t clz 1 111ns output enable to output in low z t olz 1 000ns chip disable to output in high z t chz 1 12 12 12 ns output disable to output in high z t ohz 1 12 12 12 ns 1. this parameter is guaranteed by design but not tested. ac characteristics v cc = 3.3v, gnd = 0v, -55c t a +125c parameter symbol -17 -20 -25 units write cycle min max min max min max write cycle time t wc 17 20 25 ns chip select to end of write t cw 15 15 17 ns address valid to end of write t aw 15 15 17 ns data valid to end of write t dw 11 12 13 ns write pulse width t wp 15 15 17 ns address setup time t as 22 2ns address hold time t ah 00 0ns output active from end of write t ow 1 23 4ns write enable to output in high z t whz 1 91113ns data hold time t dh 00 0ns 1. this parameter is guaranteed by design but not tested. ac test circuit
ws1m32v-xg3x 4 white electronic designs corporation ? (602) 437-1520 ? www.wedc.com white electronic designs white electronic designs corp. reserves the right to change products or speci? cations without notice. february, 2001 rev. 5 preliminary timing waveform - read cycle write cycle - cs# controlled address data i/o write cycle 2, cs# controlled t aw t as t cw t ah t wp t dh t dw t wc cs# we# data valid address data i/o read cycle 2 (we# = v ih ) t aa t acs t oe t clz t olz t ohz t rc data valid high impedance cs# oe# t chz address data i/o read cycle 1 (cs# = oe# = v il , we# = v ih ) t aa t oh t rc data valid previous data valid address data i/o write cycle 1, we# controlled t aw t cw t ah t wp t dw t whz t as t ow t dh t wc data valid cs# we# write cycle - we# controlled
ws1m32v-xg3x 5 white electronic designs corporation ? (602) 437-1520 ? www.wedc.com white electronic designs white electronic designs corp. reserves the right to change products or speci? cations without notice. february, 2001 rev. 5 preliminary all linear dimensions are millimeters and parenthetically in inches package 511: 84 lead, ceramic quad flat pack (g3) 30.23 (1.190) 0.25 (0.010) sq 27.18 (1.070) 0.25 (0.010) sq 1.27 (0.050) typ 25.40 (1.000) typ 0.27 (0.011) 0.04 (0.001) see detail a detail a 1/7 29.11 (1.146) 0.25 (0.010) 0.19 (0.008) 0.06 (0.003) 0.25 (0.010) 0.03 (0.002) 4.29 (0.169) 0.28 (0.011) 4.12 (0.162) 0.20 (0.008) r 0.127 (0.005) min 1.02 (0.040) 0.12 (0.005) 0.38 (0.015) 0.05 (0.002) the wedc 84 lead g3 cqfp ? lls the same ? t and function as the jedec 84 lead cqfj or 84 plcc. but the g3 has the tce and lead inspection advantage of the cqfp form. 1.146"
ws1m32v-xg3x 6 white electronic designs corporation ? (602) 437-1520 ? www.wedc.com white electronic designs white electronic designs corp. reserves the right to change products or speci? cations without notice. february, 2001 rev. 5 preliminary w s 1m32 v - xx g3 x x ordering information lead finish: blank = gold plated leads a = solder dip leads device grade: m = military -55c to +125c c = commercial -40c to +85c i = industrial 0 to +70c package type: g3 = 28 mm cqfp (package 511) access time (ns) low voltage supply 3.3v 10% organization, two banks of 512kx32 user con? gurable as 2mx16 or 4mx8 sram white electronic designs corp.
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