1 white electronic designs corporation ? (602) 437-1520 ? www.whiteedc.com white electronic designs wms512k8v-xxx october 2004 rev. 8 512kx8 monolithic sram ? low power cmos ? low voltage operation ? 3.3v 10% power supply ? commercial, industrial and military temperature range ? ttl compatible inputs and outputs ? fully static operation: ? no clock or refresh required ? three state output * this product is subject to change without notice. features ? access times 15, 17, 20ns ? revolutionary, center power/ground pinout jedec approved ? 36 lead ceramic soj (package 100) ? 36 lead ceramic flat pack (package 226) ? evolutionary, corner power/ground pinout jedec approved ? 32 pin ceramic dip (package 300) ? 32 lead ceramic soj (package 101) ? 32 lead ceramic thinpack? flat pack (package 321) ? 32 pin, rectangular ceramic leadless chip carrier (package 601) top view pin description evolutionary pinout revolutionary pinout 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 20 19 a0 a1 a2 a3 a4 cs# i/o0 i/o1 v cc v ss i/o2 i/o3 we# a5 a6 a7 a8 a9 nc a18 a17 a16 a15 oe# i/o7 i/o6 v ss v cc i/o5 i/o4 a14 a13 a12 a11 a10 nc a18 a16 a14 a12 a7 a6 a5 a4 a3 a2 a1 a0 i/o0 i/o1 i/o2 vss 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 vcc a15 a17 we# a13 a8 a9 a11 oe# a10 cs# i/o7 i/o6 i/o5 i/o4 i/o3 5 6 7 8 9 10 11 12 13 29 28 27 26 25 24 23 22 21 4 3 2 1 32 31 30 14 15 16 17 18 19 20 a7 a6 a5 a4 a3 a2 a1 a0 i/o 0 i/o1 i/o2 v ss i/o3 i/o4 i/o5 i/o6 we# a13 a8 a9 a11 oe# a10 cs# i/o7 a12 a14 a16 a18 v cc a15 a17 36 flat pack 36 csoj top view top view 32 dip 32 csoj (de) 32 flat pack (ff) 32 clcc a0-18 address inputs i/o 0-7 data input/output cs# chip select oe# output enable we# write enable v cc power supply v ss ground
2 white electronic designs corporation ? (602) 437-1520 ? www.whiteedc.com white electronic designs wms512k8v-xxx october 2004 rev. 8 dc characteristics - cmos compatible v cc = 5.0v, gnd = 0v, -55c t a 125c parameter symbol conditions min max unit input leakage current i li v cc = 3.6, 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 i cc cs# = v ih , oe# = v ih , f = 5mhz, v cc = 3.6 100 ma standby current i ss cs# = v ih , oe# = v ih , f = 5mhz, v cc = 3.6 50 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 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 temp. (mil) t a -55 +125 c capacitance t a = +25c parameter symbol conditions max unit input capacitance c in v in = 0 v, f = 1.0 mhz 12 pf output capacitance c out v out = 0 v, f = 1.0 mhz 12 pf this parameter is guaranteed by design but not tested. absolute maximum ratings parameter symbol min max unit operating temperature t a -55 +125 c storage temperature t stg -65 +150 c signal voltage range to gnd v g -0.5 4.6 v junction temperature t j 150 c supply voltage v cc -0.5 4.6 v 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 acvive
3 white electronic designs corporation ? (602) 437-1520 ? www.whiteedc.com white electronic designs wms512k8v-xxx october 2004 rev. 8 ac characteristics v cc = 5.0v, gnd = 0v, -55c t a < 125c parameter read cycle symbol -15 -17 -20 unit min max min max min max read cycle time t rc 15 17 20 ns address access time t aa 15 17 20 ns output hold from address change t oh 000ns chip select access time t acs 15 17 20 ns output enable to output valid t oe 8 8 10 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 8 8 10 ns output disable to output in high z t ohz 1 8 8 10 ns 1. this parameter is guaranteed by design but not tested. ac characteristics v cc = 5.0v, gnd = 0v, -55c t a 125c parameter write cycle symbol -15 -17 -20 unit min max min max min max write cycle time t wc 15 17 20 ns chip select to end of write t cw 12 12 14 ns address valid to end of write t aw 12 12 14 ns data valid to end of write t dw 9 9 10 ns write pulse width t wp 12 14 14 ns address setup time t as 000ns address hold time t ah 000ns output active from end of write t ow 1 233ns write enable to output in high z t whz 1 889ns data hold time t dh 000ns 1. this parameter is guaranteed by design but not tested. ac test circuit ac test conditions current source current source i ol i oh c eff = 50 pf d.u.t. v z 1.5v (bipolar supply) 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 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.
4 white electronic designs corporation ? (602) 437-1520 ? www.whiteedc.com white electronic designs wms512k8v-xxx october 2004 rev. 8 timing waveform - read cycle write cycle - we# controlled write cycle - cs# controlled 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 cs# oe# t rc t aa t acs t clz t chz t oe t olz t ohz high impedance data valid read cycle 2 (we# = v ih ) 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# 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
5 white electronic designs corporation ? (602) 437-1520 ? www.whiteedc.com white electronic designs wms512k8v-xxx october 2004 rev. 8 package 100: 36 lead, ceramic soj package 101: 32 lead, ceramic soj 23.37 (0.920) 0.25 (0.010) 11.23 (0.442) 0.30 (0.012) 0.2 (0.008) 0.05 (0.002) 1.27 (0.050) typ 21.6 ( 0.850 ) typ 9.55 (0.376) 0.25 (0.010) 1.27 (0.050) 0.25 (0.0 1 4.7 (0.184) max 0.89 (0.035) radius typ pin 1 identifier 21.1 (0.830) 0.25 (0.010) 1.27 (0.050) typ pin 1 identifier 19.1 (0.750) typ 0.2 (0.008) 0.05 (0.002) 9.55 (0.376) 0.25 (0.010) 1.27 (0.050) 0.25 (0.010) 3.96 (0.156) max 0.89 (0.035) radius typ 11.23 (0.442) 0.30 (0.012) all linear dimensions are millimeters and parenthetically in inches all linear dimensions are millimeters and parenthetically in inches
6 white electronic designs corporation ? (602) 437-1520 ? www.whiteedc.com white electronic designs wms512k8v-xxx october 2004 rev. 8 package 321: 32 pin ceramic thinpack tm flatpack package 226: 36 lead, ceramic flat pack 0.016 0.008 0.838 max 0.050 typ 0.427 0.429 0.567 0.559 0.008 0.005 0.020 0.030 0.118 max 23.37 (0.920) 0.25 (0.010) 32.64 (1.285) typ 12.95 (0.510) 0.13 (0.005) 3.8 (0.150) typ 2.72 (0.107) max 0.127 (0.005) 0.05 (0.002) 1.27 (0.050) typ 21.59 (0.850) typ 38.1 (1.50) 0.4 (0.015) 12.7 (0.500) 0.5 (0.020) 5.1 (0.200) 0.25 (0.010) 0.43 (0.017) 0.05 (0.002) all linear dimensions are millimeters and parenthetically in inches all linear dimensions are millimeters and parenthetically in inches
7 white electronic designs corporation ? (602) 437-1520 ? www.whiteedc.com white electronic designs wms512k8v-xxx october 2004 rev. 8 package 300: 32 pin, ceramic dip, single cavity side brazed 2.5 (0.100) typ 1.27 (0.050) 0.1 (0.005) 0.46 (0.018) 0.05 (0.002) 0.99 (0.039) 0.51 (0.020) 3.2 (0.125) min 0.25 (0.010) 0.05 (0.002) 15.25 (0.600) 0.25 (0.010) 42.8 (1.686) max 5.13 (0.202) max pin 1 identifier all linear dimensions are millimeters and parenthetically in inches
8 white electronic designs corporation ? (602) 437-1520 ? www.whiteedc.com white electronic designs wms512k8v-xxx october 2004 rev. 8 package 601: 32 pin, rectangular ceramic leadless chip carrier 7.62 (0.300) typ 5.08 (0.200) typ 3.81 (0.150) typ 10.16 (0.400) typ 0.38 (0.015) x 45 pin 1 identifier 0.56 (0.022) 0.71 (0.028) 11.25 (0.443) 14.15 (0.557) 13.79 (0.543) 14.15 (0.557) 1.63 (0.064) 2.54 (0.100) pin 1 1.02 (0.040) x 45 3 places all linear dimensions are millimeters and parenthetically in inches
9 white electronic designs corporation ? (602) 437-1520 ? www.whiteedc.com white electronic designs wms512k8v-xxx october 2004 rev. 8 ordering information white electronic designs corp. monolithic sram organization, 512k x 8 low voltage supply 3.3v 10% access time (ns) package: c = 32 pin ceramic 0.600? dip (package 300) cl = 32 pin rectangular ceramic leadless chip carrier (package 601) de = 32 lead ceramic soj (package 101) evolutionary dj = 36 lead ceramic soj (package 100) f = 36 lead ceramic flat pack (package 226) ff = 32 lead ceramic thinpack? flat pack (package 321) device grade: m = military screened -55c t a 125c i = industrial -40c t a 85c c = commercial 0c t a 70c lead finish: blank = gold plated leads a = solder dip leads w m s 512k 8 v - xxx x x x
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