wms512k8v-xcx 1 white electronic designs corporation ? (602) 437-1520 ? www.wedc.com white electronic designs february, 2000 rev. 2 white electronic designs corp. reserves the right to change products or speci? cations without notice. advanced* 512kx8 monolithic sram features access times 70, 85, 100, 120ns mil-std-883 compliant devices available low voltage operation evolutionary, corner power/ground pinout jedec approved ? 32 pin ceramic dip (package 300) ? 32 lead ceramic soj (package 101) commercial, industrial and military temperature ranges low power cmos low voltage operation ? 3.3v 10% power supply low power data retention ttl compatible inputs and outputs * this product is under development, is not quali? ed or characterized and is subject to change or cancellation without notice. evolutionary pinout 32 dip 32 csoj (de) top view a0-18 address inputs i/o0-7 data input/output cs# chip select oe# output enable we# write enable v cc +3.3v power supply gnd ground pin description 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 a18 a16 a14 a12 a7 a6 a5 a4 a3 a2 a1 a0 i/o0 i/o1 i/o2 gnd vcc a15 a17 we# a13 a8 a9 a11 oe# a10 cs# i/o7 i/o6 i/o5 i/o4 i/o3
wms512k8v-xcx 2 white electronic designs corporation ? (602) 437-1520 ? www.wedc.com white electronic designs february, 2000 rev. 2 white electronic designs corp. reserves the right to change products or speci? cations without notice. advanced* 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 v cc +0.5 v junction temperature t j 150 c supply voltage v cc -0.5 7.0 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 active 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 dc characteristics v cc = 3.3v, gnd = 0v, -55c t a +125c parameter symbol conditions min max units 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 il , oe# = v ih , f = 5mhz, v cc = 3.6 25 ma standby current i sb cs# = v ih , oe# = v ih , f = 5mhz, v cc = 3.6 400 a output low voltage v ol i ol = 2.1ma, v cc = 3.0 0.4 v output high voltage v oh i oh = -1.0ma, v cc = 3.0 2.4 v note: dc test conditions: v ih = v cc -0.3v, v il = 0.3v capacitance t a = +25c parameter symbol condition max unit input capacitance c in v in = 0v, f = 1.0mhz 12 pf output capacitance c out v out = 0v, f = 1.0mhz 12 pf this parameter is guaranteed by design but not tested.
wms512k8v-xcx 3 white electronic designs corporation ? (602) 437-1520 ? www.wedc.com white electronic designs february, 2000 rev. 2 white electronic designs corp. reserves the right to change products or speci? cations without notice. advanced* ac characteristics v cc = 3.3v, gnd = 0v, -55c t a +125c parameter read cycle symbol -70 -85 -100 -120 units 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 = 3.3v, gnd = 0v, -55c t a +125c parameter write cycle symbol -70 -85 -100 -120 units 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 35 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 from write time t dh 0000ns 1. this parameter is guaranteed by design but not tested. current source current source i ol i oh c eff = 50 pf d.u.t. v z 1.5v (bipolar suppl y 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. ac test circuit 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 ac test conditions
wms512k8v-xcx 4 white electronic designs corporation ? (602) 437-1520 ? www.wedc.com white electronic designs february, 2000 rev. 2 white electronic designs corp. reserves the right to change products or speci? cations without notice. advanced* timing waveform - read cycle write cycle - cs# controlled write cycle - we# controlled address t wc t aw t cw t ah t as t wp t whz t dw t ow t dh data valid cs# data i/o we# write cycle 1, we# 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 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 read cycle 1 (cs# = oe# = v il , we# = v ih ) t aa t oh t rc data valid previous data valid
wms512k8v-xcx 5 white electronic designs corporation ? (602) 437-1520 ? www.wedc.com white electronic designs february, 2000 rev. 2 white electronic designs corp. reserves the right to change products or speci? cations without notice. advanced* 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 all linear dimensions are millimeters and parenthetically in inches package 101: 32 lead, ceramic soj 21.1 (0.830) 0.25 (0.010) 11.3 (0.446) 0.2 (0.009) 1.27 (0.050) typ 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 pin 1 identifier
wms512k8v-xcx 6 white electronic designs corporation ? (602) 437-1520 ? www.wedc.com white electronic designs february, 2000 rev. 2 white electronic designs corp. reserves the right to change products or speci? cations without notice. advanced* ordering information lead finish: blank = gold plated leads a = solder dip leads special processing: e = epitaxial layer device grade: m = military screened -55c to +125c i = industrial -40c to +85c c = commercial 0c to +70c package: c = 32 pin ceramic 0.600 dip (package 300) de = 32 lead ceramic soj (package 101) evolutionary access time (ns) improvement mark l = low power data retention low voltage supply 3.3v 10% organization, 512k x 8 sram monolithic white electronic designs corp. w m s 512k 8 v l - xxx x x x x
|
