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AS4CM4EOQ 数据表(PDF) 1 Page - Alliance Semiconductor Corporation |
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AS4CM4EOQ 数据表(HTML) 1 Page - Alliance Semiconductor Corporation |
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1 / 16 page ![]() March 2001 Copyright © Alliance Semiconductor. All rights reserved. ® AS4C4M4EOQ AS4C4M4E1Q 4M ✕ 4 CMOS QuadCAS DRAM (EDO) family 3/22/01; v.1.0 Alliance Semiconductor P. 1 of 16 Features • Organization: 4,194,304 words × 4 bits • High speed - 50/60 ns RAS access time - 25/30 ns column address access time - 12/15 ns CAS access time • Low power consumption - Active: 495 mW max - Standby: 5.5 mW max, CMOS I/O • Extended data out •Refresh - 4096 refresh cycles, 64 ms refresh interval for 4C4M4EOQ - 2048 refresh cycles, 32 ms refresh interval for AS4C4M4E1Q -RAS-only and hidden refresh or CAS-before-RAS refresh or self-refresh • TTL-compatible •4 separate CAS pins allow for separate I/O operation • JEDEC standard package - 300 mil, 28-pin SOJ - 300 mil, 28-pin TSOP • 5V power supply • Latch-up current ≥ 200 mA • ESD protection ≥ 2000 mV Pin arrangement A8 A7 A6 A5 A4 A10 A0 A1 A2 A3 VCC GND GND I/O3 I/O2 CAS3 OE VCC I/O0 I/O1 WE RAS 1 2 3 4 5 28 27 26 25 24 *NC/A11 A9 623 9 10 11 12 13 20 19 18 17 16 14 15 SOJ A8 A7 A6 A5 A4 A10 A0 A1 A2 A3 VCC GND GND I/O3 I/O2 CAS3 OE VCC I/O0 I/O1 WE RAS 1 2 3 4 5 28 27 26 25 24 *NC/A11 A9 623 9 10 11 12 13 20 19 18 17 16 14 15 TSOP * NC on 2K refresh version; A11 on 4K refresh version CAS0 CAS1 7 8 CAS2 22 21 NC CAS0 CAS1 7 8 NC 22 21 CAS2 Pin designation Pin(s) Description A0 to A11 Address inputs RAS Row address strobe CAS Column address strobe WE Write enable I/O0 to I/O3 Input/output OE Output enable VCC Power GND Ground NC No Connection Selection guide Symbol 4C4M4EOQ/E1Q-50 4C4M4EOQ/E1-60 Unit Maximum RAS access time tRAC 50 60 ns Maximum column address access time tCAA 25 30 ns Maximum CAS access time tCAC 12 15 ns Maximum output enable (OE) access time tOEA 13 15 ns Minimum read or write cycle time tRC 85 100 ns Minimum hyper page mode cycle time tPC 20 24 ns Maximum operating current ICC1 110 100 mA Maximum CMOS standby current ICC5 1.0 1.0 mA |
类似零件编号 - AS4CM4EOQ |
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类似说明 - AS4CM4EOQ |
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