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AS7C34098A-15TI Datasheet(PDF) 1 Page - Alliance Semiconductor Corporation |
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AS7C34098A-15TI Datasheet(HTML) 1 Page - Alliance Semiconductor Corporation |
1 / 10 page August 2004 Copyright © Alliance Semiconductor. All rights reserved. ® AS7C34098A 3.3 V 256 K × 16 CMOS SRAM 8/17/04, v. 2.1 Alliance Semiconductor P. 1 of 10 Features • Pin compatible with AS7C34098 • Industrial and commercial temperature • Organization: 262,144 words × 16 bits • Center power and ground pins • High speed - 10/12/15/20 ns address access time - 4/5/6/7 ns output enable access time • Low power consumption: ACTIVE - 650 mW /max @ 10 ns • Low power consumption: STANDBY -28.8 mW /max CMOS • Individual byte read/write controls • Easy memory expansion with CE, OE inputs • TTL- and CMOS-compatible, three-state I/O • 44-pin JEDEC standard packages - 400-mil SOJ - TSOP 2 • ESD protection ≥ 2000 volts • Latch-up current ≥ 200 mA Logic block diagram 1024 × 256 × 16 Array (4,194,304) OE CE WE Column decoder A0 A1 A2 A3 A4 A6 A7 A8 VCC GND A12 A13 Control circuit I/O1–I/O8 I/O9–I/O16 UB LB I/O buffer Pin arrangement for SOJ and TSOP 2 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 I/O14 I/O13 GND VCC I/O12 I/O11 I/O10 I/O9 NC A14 A13 A12 A11 A10 A4 CE I/O1 I/O2 I/O3 I/O4 VCC GND I/O5 I/O6 I/O7 I/O8 WE A5 A6 A7 TSOP2 21 22 A8 A9 UB LB I/O16 I/O15 2 A1 3 A2 4 A3 1 A0 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 43 42 41 44 A16 A15 OE A17 44-pin (400 mil) SOJ Selection guide –10 –12 –15 –20 Unit Maximum address access time 10 12 15 20 ns Maximum output enable access time 4 5 6 7 ns Maximum operating current Industrial 180 160 140 110 mA Commercial 170 150 130 100 mA Maximum CMOS standby current 8 8 8 8 mA |
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