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AS7C31025-15JI Datasheet(PDF) 1 Page - Alliance Semiconductor Corporation |
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AS7C31025-15JI Datasheet(HTML) 1 Page - Alliance Semiconductor Corporation |
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1 / 9 page  March 2001 ® AS7C1025 AS7C31025 5V/3.3V 128Kx8 CMOS SRAM (Revolutionary pinout) Copyright © Alliance Semiconductor. All rights reserved. 3/23/01; v.1.0 Alliance Semiconductor P. 1 of 9 Features • AS7C1025 (5V version) • AS7C31025 (3.3V version) • Industrial and commercial temperatures • Organization: 131,072 words × 8 bits • High speed - 12/15/20 ns address access time - 6,7,8 ns output enable access time • Low power consumption: ACTIVE - 715 mW (AS7C1025) / max @ 12 ns (5V) - 360 mW (AS7C31025) / max @ 12 ns (3.3V) • Low power consumption: STANDBY - 27.5 mW (AS7C1025) / max CMOS (5V) - 1.8 mW (AS7C31025) / max CMOS (3.3V) • 2.0V data retention • Easy memory expansion with CE, OE inputs • Center power and ground • TTL/LVTTL-compatible, three-state I/O • JEDEC-standard packages - 32-pin, 300 mil SOJ - 32-pin, 400 mil SOJ - 32-pin TSOP II • ESD protection ≥ 2000 volts • Latch-up current ≥ 200 mA Logic block diagram 512 ×256×8 Array (1,048,576) Input buffer I/O0 I/O7 OE CE WE Column decoder Control circuit A0 A1 A2 A3 A4 A5 A6 A7 VCC GND A8 Pin arrangement 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 A16 A15 A14 A13 OE I/O7 I/O6 GND VCC I/O5 I/O4 A12 A11 A10 A9 A8 A0 A1 A2 A3 CE I/O0 I/O1 VCC GND I/O2 I/O3 WE A4 A5 A6 A7 32-pin SOJ (300 mil) 32-pin SOJ (400 mil) 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 A0 A1 A2 A3 CE I/O0 I/O1 VCC GND I/O2 I/O3 WE A16 A15 A14 A13 OE I/O7 I/O6 GND VCC I/O5 I/O4 A9 A8 A4 A5 A6 A7 A12 A11 A10 32-pin TSOP II Selection guide Shaded areas contain advance information. AS7C1025-12 AS7C31025-12 AS7C1025-15 AS7C31025-15 AS7C1025-20 AS7C31025-20 Unit Maximum address access time 12 15 20 ns Maximum output enable access time 3 4 5 ns Maximum operating current AS7C1025 130 85 80 mA AS7C31025 100 85 80 mA Maximum CMOS standby current AS7C1025 5 5 5 mA AS7C31025 5 5 5 mA |
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