1 white electronic designs corporation ? (602) 437-1520 ? www.whiteedc.com white electronic designs ws128k32v-xxx march 2006 rev. 8 128kx32 3.3v sram module ? 3.3 volt power supply ? low power cmos ? ttl compatible inputs and outputs ? built-in decoupling caps and multiple ground pins for low noise operation ? weight ws128k32v-xg2ux - 8 grams typical ws128k32nv-xh1x - 13 grams typical * this product is subject to change without notice. ** commercial and industrial only. features ? access times of 15 ** , 17, 20, 25, 35ns ? mil-std-883 compliant devices available ? low voltage operation ? packaging ? 66-pin, pga type, 1.075 inch square hermetic ceramic hip (package 400) ? 68 lead, hermetic cqfp (g2u), 22.4mm (0.880 inch) square (package 510), 3.56mm (0.140 inch) high. ? organized as 128kx32; user con gurable as 256kx16 or 512kx8 ? commercial, industrial and military temperature ranges figure 1 ? pin configuration for ws128k32nv-xh1x pin description top view block diagram we 1 #cs 1 #cs 2 #cs 3 #cs 4 # we 4 # we 3 # we 2 # 128k x 8 128k x 8 128k x 8 128k x 8 oe# a 0-16 i/o 0-7 i/o 24-31 i/o 16-23 i/o 8-15 8888 i/o 0-31 data inputs/outputs a 0-16 address inputs we 1-4 # write enables cs 1-4 # chip selects oe# output enable v cc power supply gnd ground nc not connected i/o 8 i/o 9 i/o 10 a 13 a 14 a 15 a 16 nc i/o 0 i/o 1 i/o 2 we 2 # cs 2 # gnd i/o 11 a 10 a 11 a 12 v cc cs 1 # nc i/o 3 i/o 15 i/o 14 i/o 13 i/o 12 oe# nc we 1 # i/o 7 i/o 6 i/o 5 i/o 4 i/o 24 i/o 25 i/o 26 a 6 a 7 nc a 8 a 9 i/o 16 i/o 17 i/o 18 v cc cs 4 # we 4 # i/o 27 a 3 a 4 a 5 we 3 # cs 3 # gnd i/o 19 i/o 31 i/o 30 i/o 29 i/o 28 a 0 a 1 a 2 i/o 23 i/o 22 i/o 21 i/o 20 11 22 33 44 55 66 1 12 23 34 45 56
2 white electronic designs corporation ? (602) 437-1520 ? www.whiteedc.com white electronic designs ws128k32v-xxx march 2006 rev. 8 pin description block diagram figure 2 ? pin configuration for ws128k32v-xg2ux top view we 1 #cs 1 #cs 2 #cs 3 #cs 4 # we 4 # we 3 # we 2 # 128k x 8 128k x 8 128k x 8 128k x 8 oe# a 0-16 i/o 0-7 i/o 24-31 i/o 16-23 i/o 8-15 8888 i/o 0 i/o 1 i/o 2 i/o 3 i/o 4 i/o 5 i/o 6 i/o 7 gnd i/o 8 i/o 9 i/o 10 i/o 11 i/o 12 i/o 13 i/o 14 i/o 15 i/o 16 i/o 17 i/o 18 i/o 19 i/o 20 i/o 21 i/o 22 i/o 23 gnd i/o 24 i/o 25 i/o 26 i/o 27 i/o 28 i/o 29 i/o 30 i/o 31 v cc a 11 a 12 a 13 a 14 a 15 a 16 cs 1 # oe# cs 2 # nc we 2 # we 3 # we 4 # nc nc nc nc a 0 a 1 a 2 a 3 a 4 a 5 cs 3 # gnd cs 4 # we 1 # a 6 a 7 a 8 a 9 a 10 v cc 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 9 8 7 6 5 4 3 2 1 68 67 66 65 64 63 62 61 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 60 59 58 57 56 55 54 53 52 51 50 49 48 47 46 45 44 i/o 0-31 data inputs/outputs a 0-16 address inputs we 1-4 # write enables cs 1-4 # chip selects oe# output enable v cc power supply gnd ground nc not connected
3 white electronic designs corporation ? (602) 437-1520 ? www.whiteedc.com white electronic designs ws128k32v-xxx march 2006 rev. 8 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 5.5 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 capacitance t a = +25c, v in = 0v, f = 1.0 mhz parameter symbol max unit oe# capacitance c oe 50 pf we 1-4 # capacitance hip (pga) c we 20 pf cqfp g2u 15 cs 1-4 # capacitance c cs 20 pf data# i/o capacitance c i/o 20 pf address input capacitance c ad 50 pf this parameter is guaranteed by design but not tested. dc characteristics v cc = 3.3v 0.3v, v ss = 0v, -55c t a +125c parameter sym 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 i cc x 32 cs# = v il , oe# = v ih , f = 5mhz 500 ma standby current i sb cs# = v ih , oe# = v ih , f = 5mhz 32 ma output low voltage v ol i ol = 6ma 0.4 v output high voltage v oh i oh = -4.0ma 2.4 v
4 white electronic designs corporation ? (602) 437-1520 ? www.whiteedc.com white electronic designs ws128k32v-xxx march 2006 rev. 8 figure 3 ? ac test circuit ac test conditions ac characteristics v cc = 3.3v, -55c t a +125c parameter write cycle symbol -15* -17 -20 -25 -35 units min max min max min max min max min max write cycle time t wc 15 17 20 25 35 ns chip select to end of write t cw 13 14 15 20 30 ns address valid to end of write t aw 13 14 15 20 30 ns data valid to end of write t dw 10 11 12 15 18 ns write pulse width t wp 13 14 15 20 30 ns address setup time t as 00000 ns address hold time t ah 00000 ns output active from end of write t ow 1 55555ns write enable to output in high z t whz 1 8 9 10 10 15 ns data hold time t dh 00000ns 1. this parameter is guaranteed by design but not tested. * commercial and industrial only. i current source d.u.t. c = 50 pf eff i ol v 1.5v (bipolar supply) z current source oh ac characteristics v cc = 3.3v, -55c t a +125c parameter read cycle symbol -15* -17 -20 -25 -35 units min max min max min max min max min max read cycle time t rc 15 17 20 25 35 ns address access time t aa 15 17 20 25 35 ns output hold from address change t oh 00000 ns chip select access time t acs 15 17 20 25 35 ns output enable to output valid t oe 10 11 12 15 20 ns chip select to output in low z t clz 1 55555ns output enable to output in low z t olz 1 55555ns chip disable to output in high z t chz 1 8 9 10 12 15 ns output disable to output in high z t ohz 1 8 9 10 12 15 ns 1. this parameter is guaranteed by design but not tested. * commercial and industrial only. notes: v z is programmable from -2v to +7v. i ol & i oh programmable from 0 to 16ma. tester impedance z0 = 75 y. 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. 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
5 white electronic designs corporation ? (602) 437-1520 ? www.whiteedc.com white electronic designs ws128k32v-xxx march 2006 rev. 8 ws32k32-xhx read cycle 2, (cs# = oe# = v il , we# = v ih ) read cycle 2 (we# = v ih ) cs# oe# write cycle 1, we# controlled cs# we# write cycle 2, cs# controlled cs# we# figure 4 ? timing waveform - read cycle figure 6 ? write cycle - cs# controlled figure 5 ? write cycle - we# controlled
6 white electronic designs corporation ? (602) 437-1520 ? www.whiteedc.com white electronic designs ws128k32v-xxx march 2006 rev. 8 package 400: 66 pin, pga type, ceramic hex-in-line package, hip (h1) all linear dimensions are millimeters and parenthetically in inches 4.60 (0.181)
7 white electronic designs corporation ? (602) 437-1520 ? www.whiteedc.com white electronic designs ws128k32v-xxx march 2006 rev. 8 package 510: 68 lead, low profile ceramic quad flat pack, cqfp (g2u) all linear dimensions are millimeters and parenthetically in inches
8 white electronic designs corporation ? (602) 437-1520 ? www.whiteedc.com white electronic designs ws128k32v-xxx march 2006 rev. 8 w s 128k 32 x v - xxx x x x lead finish: blank = gold plated leads a = solder dip leads device grade: m = military screened -55c to +125c i = industrial -40c to +85c c = commercial 0c to +70c package type: h1 = ceramic hex-in-line package, hip (package 400) g2u = 22.4mm ceramic quad flat pack, low pro le cqfp (package 510) access time (ns) low voltage supply 3.3v 10% improvement mark: n = no connect at pins 8, 21, 28, 39 in hip for upgrade. (h1 only) organization, 128kx32 user con gurable as 256kx16 or 512kx8 sram white electronic designs corp.
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