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sram sram sram sram sram AS5C4008 austin semiconductor, inc. AS5C4008 rev. 6.0 10/03 austin semiconductor, inc. reserves the right to change products or specifications without notice. 1 available as military specification ? smd 5962-95600 ? smd 5962-95613 ? mil std-883 options marking ? timing 12ns access -12 15ns access -15 17ns access -17 20ns access -20 25ns access -25 35ns access -35 45ns access -45 ? operating temperature range military: -55 o c to +125 o cxt industrial: -40 o c to +85 o cit ? packages ceramic dip (600 mil) cw no. 112 ceramic flatpack f no. 304 ceramic lcc ec no. 209 ceramic soj ecj no. 502 ceramic lcc (contact factory) eca no. 208 ? options 2v data retention/ low power l note: not all combinations of operating temperature, speed, data retention and low power are necessarily available. please contact factory for availability of specific part number combinations. general description the AS5C4008 is a 4 megabit monolithic cmos sram, organized as a 512k x 8. the evolutionary 32 pin device allows for easy upgrades from the 1 meg sram. for flexibility in high-speed memory applications, asi offers chip enable (ce\) and output enable (oe\) capabilities. these enhancements can place the outputs in high-z for additional flexibil- ity in system design. writing to these devices is accomplished when write enable (we\) and ce\ inputs are both low. reading is accomplished when we\ remains high and ce\ and oe\ go low. this allows systems designers to meet low standby power requirements. all devices operate from a single +5v power supply and all inputs are fully ttl-compatible. pin assignment (top view) 32-pin dip (cw), 32-pin lcc (ec) 32-pin soj (ecj) 512k x 8 sram sram memory array for more products and information please visit our web site at www.austinsemiconductor.com features ? high speed: 12, 15, 17, 20, 25, 35 and 45ns ? high-performance, low power military grade device ? single +5v 10% power supply ? easy memory expansion with ce\ and oe\ options ? all inputs and outputs are ttl-compatible ? ease of upgradability from 1 meg using the 32 pin evolutionary version. 32-pin flat pack (f) 32-pin lcc (eca) 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 ce\ i/o7 i/o6 i/o5 i/o4 i/o3 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 ce\ i/o7 i/o6 i/o5 i/o4 i/o3 a12 a14 a16 a18 vcc a15 a17 4 3 2 32 31 30 14 15 16 17 18 19 20 5 6 7 8 9 10 11 12 13 29 28 27 26 25 24 23 22 21 a7 a6 a5 a4 a3 a2 a1 a0 i/o0 we\ a13 a8 a9 a11 oe\ a10 ce\ i/o 7 i/o6 i/o5 i/o4 i/o3 vss i/o2 i/o1 1
sram sram sram sram sram AS5C4008 austin semiconductor, inc. AS5C4008 rev. 6.0 10/03 austin semiconductor, inc. reserves the right to change products or specifications without notice. 2 functional block diagram mode oe\ ce\ we\ dq power standby x h x high-z standby read l l h q active not selected h l h high-z active write x l l d active truth table vcc gnd i/o7 a0:a18 i/o1 ce\ oe\ we\ input buffer row decoder 2,097,152 bit memory array i/o control column decoder power down
sram sram sram sram sram AS5C4008 austin semiconductor, inc. AS5C4008 rev. 6.0 10/03 austin semiconductor, inc. reserves the right to change products or specifications without notice. 3 absolute maximum ratings* voltage on vcc supply relative to vss...................-.5v to +7.0v storage temperature ............................................-65 c to +150 c short circuit output current (per i/o)?.............................20ma voltage on any pin relative to vss......................-.5v to vcc+1 v maximum junction temperature**....................................+150 c *stresses greater than those listed under "absolute maximum ratings" may cause permanent damage to the device. this is a stress rating only and functional opera- tion of the device at these or any other conditions above those indicated in the operation section of this specifica- tion is not implied. exposure to absolute maximum rating conditions for extended periods may affect reliability. ** junction temperature depends upon package type, cycle time, loading, ambient temperature and airflow. electrical characteristics and recommended dc operating conditions (-55 o c v ih ; vcc = max f = 0, outputs open ce\ < v il ; vcc = max f = max = 1/t rc outputs open ce\ < v cc -0.2v; vcc = max v in < vss +0.2v or v in > vcc -0.2v; f = 0 conditions power supply current: operating parameter conditions symbol max units notes input capacitance c i 12 pf 4 output capactiance co 14 pf 4 t a = 25 o c, f = 1mhz v in = 0
sram sram sram sram sram AS5C4008 austin semiconductor, inc. AS5C4008 rev. 6.0 10/03 austin semiconductor, inc. reserves the right to change products or specifications without notice. 4 electrical characteristics and recommended ac operating conditions (-55 o c sram sram sram sram sram AS5C4008 austin semiconductor, inc. AS5C4008 rev. 6.0 10/03 austin semiconductor, inc. reserves the right to change products or specifications without notice. 5 notes 1. all voltages referenced to v ss (gnd). 2. -2v for pulse width < 20ns 3. i cc is dependent on output loading and cycle rates. 4. this parameter is guaranteed but not tested. 5. test conditions as specified with the output loading as shown in fig. 1 unless otherwise noted. 6. t lzce, t lzwe, t lzoe, t hzce, t hzoe and t hzwe are specified with cl = 5pf as in fig. 2. transition is measured 200mv from steady state voltage. 7. at any given temperature and voltage condition, t hzce is less than t lzce, and t hzwe is less than t lzwe. 8. we\ is high for read cycle. 9. device is continuously selected. chip enables and output enables are held in their active state. 10. address valid prior to, or coincident with, latest occurring chip enable. 11. t rc = read cycle time. 12. chip enable and write enable can initiate and terminate a write cycle. 13. output enable (oe\) is inactive (high). 14. output enable (oe\) is active (low). 15. asi does not warrant functionality nor reliability of any product in which the junction temperature exceeds 150c. care should be taken to limit power to acceptable levels. fig. 1 output load equivalent fig. 2 output load equivalent 167 ohms 167 ohms 1.73v 1.73v c=5pf c=30pf q q data retention electrical characteristics (l version only) ac test conditions input pulse levels ................................................... vss to 3.0v input rise and fall times ....................................................... 3ns input timing reference levels ............................................ 1.5v output reference levels ..................................................... 1.5v output load ............................................... see figures 1 and 2 description symbol min max units notes v cc for retention data v dr 2v data retention current (l version only) v cc = 2v i ccdr 4.5 ma chip deselect to data retention time t cdr 0ns4 operation recovery time t r 10 ms 4, 11 ce\ > (vcc -0.2v) vin > (vcc -0.2v) or < 0.2v conditions
sram sram sram sram sram AS5C4008 austin semiconductor, inc. AS5C4008 rev. 6.0 10/03 austin semiconductor, inc. reserves the right to change products or specifications without notice. 6 read cycle no. 1 8, 9 (write enabled controlled) read cycle no. 2 7, 8, 10 (write enabled controlled) low v cc data retention waveform tr tcdr data retention mode data retention mode vdr vdr vcc ce\ 4.5v 4.5v >2v v ih v il t cdr t r tpd tpu thzce tace tlzce thzoe tlzoe taoe trc trc data valid ce\ oe\ dq icc t rc t aoe t lzoe t lzce t ace t pu t pd t hzce t hzoe taa toh trc trc previous data valid valid data valid address dq t rc t aa t oh
sram sram sram sram sram AS5C4008 austin semiconductor, inc. AS5C4008 rev. 6.0 10/03 austin semiconductor, inc. reserves the right to change products or specifications without notice. 7 write cycle no. 1 12 (chip enabled controlled) write cycle no. 2 12, 13 (write enabled controlled) tdh tds twp twp tah tcw taw tcw tas twc twc high z data vaild address ce\ we\ d q t wc t aw t cw t as t wp t ah t ds t dh tlzwe thzwe tdh tds twp1 twp1 tas tcw tah taw tcw twc twc data valid address valid address ce\ we\ d q t aw t wc t cw t wp1 t as t hzwe t lzwe t dh t ds t ah
sram sram sram sram sram AS5C4008 austin semiconductor, inc. AS5C4008 rev. 6.0 10/03 austin semiconductor, inc. reserves the right to change products or specifications without notice. 8 write cycle no. 3 7, 12, 14 (write enable controlled) 123 1 2 3 123 1234 1 23 4 1 23 4 1234 don?t care undefined 1234567 1234567 1234567 1234567 1234567 12345 12345 12345 12345 1234567890 1 23456789 0 1 23456789 0 1234567890 12345678901 1 234567890 1 1 234567890 1 12345678901 t wp2 t ds t dh we\ d 123456 123456 123456 123456 1234567890123456789012345678901212345 1 23456789012345678901234567890121234 5 1 23456789012345678901234567890121234 5 1234567890123456789012345678901212345 1234567890123456789012345678901212345 1 23456789012345678901234567890121234 5 1 23456789012345678901234567890121234 5 1234567890123456789012345678901212345 high-z address 123456 123456 123456 123456 123456 12345678901234567890 1 234567890123456789 0 1 234567890123456789 0 1 234567890123456789 0 12345678901234567890 123456789012345678901 1 2345678901234567890 1 1 2345678901234567890 1 1 2345678901234567890 1 123456789012345678901 123456 123456 123456 123456 123456 1234567890123456789 1 23456789012345678 9 1 23456789012345678 9 1 23456789012345678 9 1234567890123456789 1234567890123456789 1 23456789012345678 9 1 23456789012345678 9 1 23456789012345678 9 1234567890123456789 t as 1234 1234 1234 123456789012345678901234 1 2345678901234567890123 4 123456789012345678901234 1234567890123456789012345 1 23456789012345678901234 5 1234567890123456789012345 data valid 1234 1234 1234 12345 1 234 5 12345 123456 1 2345 6 123456 t hzwe t lzwe
sram sram sram sram sram AS5C4008 austin semiconductor, inc. AS5C4008 rev. 6.0 10/03 austin semiconductor, inc. reserves the right to change products or specifications without notice. 9 asi case #112 (package designator cw) smd 5962-95600, case outline x e b b1 l l1 a mechanical definition* d pin 1 e e1 b2 min max a --- 0.225 b 0.014 0.026 b1 0.045 0.065 b2 0.008 0.018 d --- 1.680 e 0.510 0.620 e e1 l1 0.125 0.200 l 0.015 0.070 symbol smd specifications 0.100 bsc 0.600 bsc note: these dimensions are per the smd. asi's package dimensional limits may differ, but they will be within the smd limits. *all measurements are in inches.
sram sram sram sram sram AS5C4008 austin semiconductor, inc. AS5C4008 rev. 6.0 10/03 austin semiconductor, inc. reserves the right to change products or specifications without notice. 10 asi case #304 (package designator f) smd 5962-95600, case outline 9 mechanical definition* *all measurements are in inches. min max a 0.096 0.114 b 0.008 0.019 c 0.003 0.008 d 0.816 0.838 d1 0.742 0.758 e 0.419 0.460 e2 0.345 0.427 e l 0.290 0.310 q 0.024 0.038 symbol smd specifications 0.050 bsc note: these dimensions are per the smd. asi's package dimensional limits may differ, but they will be within the smd limits. top view c e2 a q d e l e b d1
sram sram sram sram sram AS5C4008 austin semiconductor, inc. AS5C4008 rev. 6.0 10/03 austin semiconductor, inc. reserves the right to change products or specifications without notice. 11 asi case #209 (package designator ec) smd 5962-95600, case outline z mechanical definition* *all measurements are in inches. a a1 d e l e b2 r d1 min max a 0.080 0.100 a1 0.006 0.054 b2 0.022 0.028 d 0.815 0.835 d1 0.740 0.760 e 0.440 0.460 e l r 0.009 ref symbol smd specifications 0.050 bsc 0.100 ref note: these dimensions are per the smd. asi's package dimensional limits may differ, but they will be within the smd limits.
sram sram sram sram sram AS5C4008 austin semiconductor, inc. AS5C4008 rev. 6.0 10/03 austin semiconductor, inc. reserves the right to change products or specifications without notice. 12 asi case #502 (package designator ecj) mechanical definition* *all measurements are in inches. a a1 e b d e d1 l2 l typ note: this package meets smd 5962-95600, case outline u dimensions in every aspect, except dimension e2. a2 e2 min max a 0.115 0.160 a1 0.054 0.075 a2 0.025 0.063 b 0.012 0.028 d 0.815 0.835 d1 0.740 0.760 e 0.418 0.460 e2 0.371 0.440 e l 0.050 0.070 l2 0.115 0.135 symbol asi specifications 0.050 bsc
sram sram sram sram sram AS5C4008 austin semiconductor, inc. AS5C4008 rev. 6.0 10/03 austin semiconductor, inc. reserves the right to change products or specifications without notice. 13 asi case #208 (package designator eca) mechanical definition* *all measurements are in inches. a a1 e1 l1 b1 d1 l e r d e min max a 0.060 0.080 a1 0.040 0.050 b1 0.022 0.028 d 0.540 0.560 d1 0.390 0.410 e 0.442 0.458 e1 0.290 0.310 e 0.045 0.055 l 0.045 0.055 l1 0.075 0.095 r 0.004 0.014 symbol smd specifications
sram sram sram sram sram AS5C4008 austin semiconductor, inc. AS5C4008 rev. 6.0 10/03 austin semiconductor, inc. reserves the right to change products or specifications without notice. 14 ordering information *available processes it = industrial temperature range -40 o c to +85 o c xt = extended temperature range -55 o c to +125 o c 883c = full military processing -55 o c to +125 o c **definition of options 2v data retention/low power l device number package type speed ns options** process device number package type speed ns options** process AS5C4008 cw -12 l /* AS5C4008 eca -12 l /* AS5C4008 cw -15 l /* AS5C4008 eca -15 l /* AS5C4008 cw -17 l /* AS5C4008 eca -17 l /* AS5C4008 cw -20 l /* AS5C4008 eca -20 l /* AS5C4008 cw -25 l /* AS5C4008 eca -25 l /* AS5C4008 cw -35 l /* AS5C4008 eca -35 l /* AS5C4008 cw -45 l /* AS5C4008 eca -45 l /* device number package type speed ns options** process device number package type speed ns options** process a s5c4008 AS5C4008 ec ecj -12 -12 l l / * /* AS5C4008 f -12 l /* a s5c4008 AS5C4008 ec ecj -15 -15 l l / * /* AS5C4008 f -15 l /* a s5c4008 AS5C4008 ec ecj -17 -17 l l / * /* AS5C4008 f -17 l /* a s5c4008 AS5C4008 ec ecj -20 -20 l l / * /* AS5C4008 f -20 l /* a s5c4008 AS5C4008 ec ecj -25 -25 l l / * /* AS5C4008 f -25 l /* a s5c4008 AS5C4008 ec ecj -35 -35 l l / * /* AS5C4008 f -35 l /* a s5c4008 AS5C4008 ec ecj -45 -45 l l / * /* AS5C4008 f -45 l /* example: AS5C4008c w-25l/883c example: AS5C4008f-45l/883c example: AS5C4008ec-20/883c example: AS5C4008eca-45/883c
sram sram sram sram sram AS5C4008 austin semiconductor, inc. AS5C4008 rev. 6.0 10/03 austin semiconductor, inc. reserves the right to change products or specifications without notice. 15 asi to dscc part number cross reference for 5962-95600 * asi part number is for reference only. orders received referencing the smd part number will be processed per the smd. asi part # smd part # asi part # smd part # AS5C4008cw-15 5962-9560014qxa AS5C4008f-15 5962-9560014q9a AS5C4008cw-15l 5962-9560013qxa AS5C4008f-15l 5962-9560013q9a AS5C4008cw-20 5962-9560004mxa AS5C4008f-20 5962-9560004m9a AS5C4008cw-20l 5962-9560012qxa AS5C4008f-20l 5962-9560012q9a AS5C4008cw-25 5962-9560003mxa AS5C4008f-25 5962-9560003m9a AS5C4008cw-25l 5962-9560011qxa AS5C4008f-25l 5962-9560011q9a AS5C4008cw-35 5962-9560002mxa AS5C4008f-35 5962-9560002m9a AS5C4008cw-35l 5962-9560010qxa AS5C4008f-35l 5962-9560010q9a AS5C4008cw-45 5962-9560001mxa AS5C4008f-45 5962-9560001m9a AS5C4008cw-45l 5962-9560009qxa AS5C4008f-45l 5962-9560009q9a asi part # smd part # asi part # smd part # AS5C4008ec-15 5962-9560014qza AS5C4008ecj-15 5962-9560014qua AS5C4008ec-15l 5962-9560013qza AS5C4008ecj-15l 5962-9560013qua AS5C4008ec-20 5962-9560004mza AS5C4008ecj-20 5962-9560004mua AS5C4008ec-20l 5962-9560012qza AS5C4008ecj-20l 5962-9560012qua AS5C4008ec-25 5962-9560003mza AS5C4008ecj-25 5962-9560003mua AS5C4008ec-25l 5962-9560011qza AS5C4008ecj-25l 5962-9560011qua AS5C4008ec-35 5962-9560002mza AS5C4008ecj-35 5962-9560002mua AS5C4008ec-35l 5962-9560010qza AS5C4008ecj-35l 5962-9560010qua AS5C4008ec-45 5962-9560001mza AS5C4008ecj-45 5962-9560001mua AS5C4008ec-45l 5962-9560009qza AS5C4008ecj-45l 5962-9560009qua asi package designator cw asi package designator f asi package designator ec asi package designator ecj
sram sram sram sram sram AS5C4008 austin semiconductor, inc. AS5C4008 rev. 6.0 10/03 austin semiconductor, inc. reserves the right to change products or specifications without notice. 16 asi to dscc part number cross reference for 5962-95613 * asi part number is for reference only. orders received referencing the smd part number will be processed per the smd. asi part # smd part # asi part # smd part # AS5C4008cw-15/h 5962-9561314hya AS5C4008f-15/h 5962-9561314h9a AS5C4008cw-15/h 5962-9561314hyc AS5C4008f-15/h 5962-9561314h9c AS5C4008cw-17/h 5962-9561310hya AS5C4008f-17/h 5962-9561310h9a AS5C4008cw-17/h 5962-9561310hyc AS5C4008f-17/h 5962-9561310h9c AS5C4008cw-20/h 5962-9561309hya AS5C4008f-20/h 5962-9561309h9a AS5C4008cw-20/h 5962-9561309hyc AS5C4008f-20/h 5962-9561309h9c AS5C4008cw-25/h 5962-9561308hya AS5C4008f-25/h 5962-9561308h9a AS5C4008cw-25/h 5962-9561308hyc AS5C4008f-25/h 5962-9561308h9c AS5C4008cw-25/h 5962-9561313hya AS5C4008f-25/h 5962-9561313h9a AS5C4008cw-25/h 5962-9561313hyc AS5C4008f-25/h 5962-9561313h9c AS5C4008cw-35/h 5962-9561307hya AS5C4008f-35/h 5962-9561307h9a AS5C4008cw-35/h 5962-9561307hyc AS5C4008f-35/h 5962-9561307h9c AS5C4008cw-35/h 5962-9561312hya AS5C4008f-35/h 5962-9561312h9a AS5C4008cw-35/h 5962-9561312hyc AS5C4008f-35/h 5962-9561312h9c AS5C4008cw-45/h 5962-9561306hya AS5C4008f-45/h 5962-9561306h9a AS5C4008cw-45/h 5962-9561306hyc AS5C4008f-45/h 5962-9561306h9c AS5C4008cw-45/h 5962-9561311hya AS5C4008f-45/h 5962-9561311h9a AS5C4008cw-45/h 5962-9561311hyc AS5C4008f-45/h 5962-9561311h9c AS5C4008cw-55/h 5962-9561305hya AS5C4008f-55/h 5962-9561305h9a AS5C4008cw-55/h 5962-9561305hyc AS5C4008f-55/h 5962-9561305h9c asi part # smd part # asi part # smd part # AS5C4008ec-15/h 5962-9561314hma AS5C4008ecj-15/h 5962-9561314hta AS5C4008ec-15/h 5962-9561314hmc AS5C4008ecj-15/h 5962-9561314htc AS5C4008ec-17/h 5962-9561310hma AS5C4008ecj-17/h 5962-9561310hta AS5C4008ec-17/h 5962-9561310hmc AS5C4008ecj-17/h 5962-9561310htc AS5C4008ec-20/h 5962-9561309hma AS5C4008ecj-20/h 5962-9561309hta AS5C4008ec-20/h 5962-9561309hmc AS5C4008ecj-20/h 5962-9561309htc AS5C4008ec-25/h 5962-9561308hma AS5C4008ecj-25/h 5962-9561308hta AS5C4008ec-25/h 5962-9561308hmc AS5C4008ecj-25/h 5962-9561308htc AS5C4008ec-25/h 5962-9561313hma AS5C4008ecj-25/h 5962-9561313hta AS5C4008ec-25/h 5962-9561313hmc AS5C4008ecj-25/h 5962-9561313htc AS5C4008ec-35/h 5962-9561307hma AS5C4008ecj-35/h 5962-9561307hta AS5C4008ec-35/h 5962-9561307hmc AS5C4008ecj-35/h 5962-9561307htc AS5C4008ec-35/h 5962-9561312hma AS5C4008ecj-35/h 5962-9561312hta AS5C4008ec-35/h 5962-9561312hmc AS5C4008ecj-35/h 5962-9561312htc AS5C4008ec-45/h 5962-9561306hma AS5C4008ecj-45/h 5962-9561306hta AS5C4008ec-45/h 5962-9561306hmc AS5C4008ecj-45/h 5962-9561306htc AS5C4008ec-45/h 5962-9561311hma AS5C4008ecj-45/h 5962-9561311hta AS5C4008ec-45/h 5962-9561311hmc AS5C4008ecj-45/h 5962-9561311htc AS5C4008ec-55/h 5962-9561305hma AS5C4008ecj-55/h 5962-9561305hta AS5C4008ec-55/h 5962-9561305hmc AS5C4008ecj-55/h 5962-9561305htc asi package designator cw asi package designator f asi package designator ec asi package designator ecj

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