AS7C256-15JI Alliance Semiconductor, AS7C256-15JI Datasheet
AS7C256-15JI
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AS7C256-15JI Summary of contents
Page 1
... High speed - 12/15/20 ns address access time - 5/6/7/9 ns output enable access time • Very low power consumption: ACTIVE - 660mW (AS7C256) / max @ 216mW (AS7C3256) / max @ 12 ns • Very low power consumption: STANDBY - 22 mW (AS7C256) / max CMOS I/O Logic block diagram V CC GND Input buffer A0 ...
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... CMOS standby mode consumes 3 Normal operation offers 75% power CE reduction after initial access, resulting in significant power savings during CPU idle, suspend, and stretch mode. Both versions of the AS7C256 offer 2.0V data retention. Equal address access and cycle times (t ideal for high-performance applications. The chip enable ( memory organizations ...
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... V 2.2 IH AS7C3256 V 2 — V -0.5 IL commercial industrial T – -10 Device Min Max Min Max CC CC AS7C256 IL AS7C3256 AS7C256 IL AS7C3256 AS7C256 –0.2V CC AS7C3256 = Min = Min CC = NOMINAL) CC Symbol Signals C A, CE, WE I/O I/O Alliance Semiconductor AS7C256 AS7C3256 Typical Max 5.0 5.5 3.3 3.6 – V +0.5 CC – V +0.5 CC – ...
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... OHZ t 0 – – Falling input 3,6,7 Data valid 3,6,8 OLZ Data valid 50% Alliance Semiconductor AS7C256 AS7C3256 -15 -20 Min Max Min Max Unit 15 – 20 – ns – 15 – – 15 – – 6 – – ...
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... OW 10, Data valid t WZ 10, Data valid Alliance Semiconductor AS7C256 AS7C3256 -15 -20 Min Max Min Max Unit 15 – 20 – – 12 – – 12 – – 0 – – 12 – ...
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... Data retention mode VCC V 2. CDR +5V 480 D out 255 C(14) GND Figure B: Output load required to meet I specification Alliance Semiconductor AS7C256 AS7C3256 Min Max Unit 2.0 – V – 500 µA – – µA 0 – – – 1 µA VCC ...
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... V OL 140 120 (NOMINAL 100 T = 25° Output voltage (V) Alliance Semiconductor AS7C256 AS7C3256 Normalized supply current ISB1 SB vs. ambient temperature T 625 (NOMINAL 0.2 0.04 -55 - 125 Ambient temperature (°C) Normalized supply current I vs ...
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... Note: This part is compatible with both pin numbering conventions used by various manufacturers. E 1/10/2001 ® Seating Plane pin 8(21) pin 5(8) 28-pin Alliance Semiconductor AS7C256 AS7C3256 28-pin PDIP Min 0.010 B 0.058 b 0.016 c 0.008 0.295 eA E1 0.278 e 0.100 BSC eA 0 ...
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... X Package SOJ 300 mil Access time T = TSOP 8x13.4 Alliance Semiconductor AS7C256 AS7C3256 AS7C256-15PC AS7C256-20PC AS7C3256-15PC AS7C3256-20PC AS7C256-15JC AS7C256-20JC AS7C3256-15JC AS7C3256-20JC AS7C256-15JI AS7C256-20JI AS7C3256-15JI AS7C3256-20JI AS7C256-15TC AS7C256-20TC AS7C3256-15TC AS7C3256-20TC AS7C256-15TI AS7C256-20TI AS7C3256-15TI AS7C3256-20TI Commercial temperature range ...