ws1m32-xg3x 1 white electronic designs corporation ? (602) 437-1520 ? www.whiteedc.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 module features access time of 70, 85, 100, 120ns 84 lead, 28mm cqfp, (package 511) organized as two banks of 512kx32, user con gurable as 1mx16 or 2mx8 commercial, industrial and military temperature ranges ttl compatible inputs and outputs pin configuration for ws1m32-xg3x pin description i/o0-31 data inputs/outputs a0-18 address inputs we1-4# write enables cs1-2# chip selects oe1-4# output enables v cc power supply gnd ground nc not connected top view 5v power supply low power cmos weight - ws1m32-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"
ws1m32-xg3x 2 white electronic designs corporation ? (602) 437-1520 ? www.whiteedc.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 cs1# cs2# oe# we# mode data i/o power h h x x standby high z standby l h l h read data out active l h h h out disable high z active l h x l write data in active h l l h read data out active h l h h out disable high z active h l x l write data in active l l x x invalid state invalid state invalid state absolute maximum ratings parameter symbol min max unit operating temperature t a -40 +85 c storage temperature t stg -65 +150 c signal voltage relative to gnd v g -0.5 v cc +0.5 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 operating temperature (ind.) t a -40 +85 c dc characteristics v cc = 3.3v 0.3v, -55c t a +125c parameter symbol conditions min max units input leakage current i li v cc = 5.5, 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 = 5.5 220 ma standby current i sb cs# = v ih , oe# = v ih , f = 5mhz, v cc = 5.5 10 ma standby current (low power) i sb2 cs# = v ih , oe# = v ih , f = 5mhz, v cc = 5.5 900 a output low voltage v ol i ol = 8ma, v cc = 4.5 0.4 v output high voltage v oh i oh = -4.0ma, v cc = 4.5 2.4 v note: dc test conditions: v ih = v cc -0.3v, v il = 0.3v capacitance t a = +25c parameter symbol conditions max unit oe#1-4 capacitance c oe v in = 0v, f = 1.0mhz 30 pf we#1-4 capacitance c we v in = 0v, f = 1.0mhz 30 pf cs#1-2 capacitance c cs v in = 0v, f = 1.0mhz 30 pf data i/o capacitance c i/o v i/o = 0v, f = 1.0mhz 30 pf address input capacitance c ad v in = 0v, f = 1.0mhz 100 pf this parameter is guaranteed by design, but not tested.
ws1m32-xg3x 3 white electronic designs corporation ? (602) 437-1520 ? www.whiteedc.com white electronic designs white electronic designs corp. reserves the right to change products or speci cations without notice. february, 2001 rev. 5 preliminary 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 = 3.0 v input rise and fall 5 ns input and output reference level 1.5 v output timing reference level 1.5 v notes: v z is programmable from -2v to +7v. i ol & i oh programmable from 0 to 16ma. tester impedance z0 = 75 . v z 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. ac characteristics v cc = 5.0v, gnd = 0v, -55c t a +125c parameter symbol -70 -85 -100 -120 units read cycle min max min max min max min max read cycle time t rc 70 85 100 120 ns address access time t aa 70 85 100 120 ns output hold from address change t oh 5555ns chip select access time t acs 70 85 100 120 ns output enable to output valid t oe 35 40 50 60 ns chip select to output in low z t clz 1 10 10 10 10 ns output enable to output in low z t olz 1 5555ns chip disable to output in high z t chz 1 25 25 35 35 ns output disable to output in high z t ohz 1 25 25 35 35 ns 1. this parameter is guaranteed by design but not tested. ac characteristics v cc = 5.0v, gnd = 0v, -55c t a +125c parameter symbol -70 -85 -100 -120 units write cycle min max min max min max min max write cycle time t wc 70 85 100 120 ns chip select to end of write t cw 60 75 80 100 ns address valid to end of write t aw 60 75 80 100 ns data valid to end of write t dw 30 30 40 40 ns write pulse width t wp 50 50 60 60 ns address setup time t as 0000ns address hold time t ah 5555ns output active from end of write t ow 1 5555ns write enable to output in high z t whz 1 25 25 35 35 ns data hold time t dh 0000ns 1. this parameter is guaranteed by design but not tested. ac test circuit
ws1m32-xg3x 4 white electronic designs corporation ? (602) 437-1520 ? www.whiteedc.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
ws1m32-xg3x 5 white electronic designs corporation ? (602) 437-1520 ? www.whiteedc.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"
ws1m32-xg3x 6 white electronic designs corporation ? (602) 437-1520 ? www.whiteedc.com white electronic designs white electronic designs corp. reserves the right to change products or speci cations without notice. february, 2001 rev. 5 preliminary ordering information w s 1m32 - xx g3 x x 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) organization, two banks of 512kx32 user con gurable as 2mx16 or 4mx8 sram white electronic designs corp.
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