HM62256 Hitachi Semiconductor, HM62256 Datasheet
HM62256
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HM62256 Summary of contents
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... HM62256A Series 32,768-word 8-bit High Speed CMOS Static RAM The Hitachi HM62256A is a CMOS static RAM organized 32-kword 8-bit. It realizes higher performance and low power consumption by employing 0.8 µm Hi-CMOS process technology. The device, packaged thickness of 1.2 mm, 450-mil SOP (foot print pitch width), 600-mil plastic DIP, or 300-mil plastic DIP, is available for high density mounting ...
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... HM62256ALT-8SL 85 ns HM62256ALT-10SL 100 ns HM62256ALT-12SL 120 ns HM62256ALT-15SL 150 ns ——————————————————————– ...
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... Row • 512 512 • Decoder Column I/O • • Input Column Decoder Data Control A10 • • Timing Pulse Generator Read/Write Control HM62256A Series Function Output enable No connection Power supply Ground • • • • • • A13 A14 • ...
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... 2 –0.5 IL HM62256A Series I/O pin Ref. cycle High-Z — High-Z — Dout Read cycle (1)–(3) Din Write cycle (1) ...
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... HM62256A Series DC Characteristics ( +70°C, V Parameter Symbol ———————————————————————————————————————————————– ...
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... Input rise and fall times • Output load: 1 TTL Gate + C (Including scope & jig) HM62256A-8 HM62256A-10 HM62256A-12 HM62256A-15 —————– —————– —————– —————– Min Max ...
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... HM62256A Series Read Timing Waveform (1) Address CS OE Dout Read Timing Waveform (2) Address Dout * ACS *2 t CLZ OLZ * HM62256A Series OHZ * CHZ Valid Data t OH Valid Data 7 ...
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... IL HM62256A-8 HM62256A-10 HM62256A-12 HM62256A-15 —————– —————– —————– —————– Min Max ...
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... HM62256A Series Write Timing Waveform (1) ( Address Dout Din Clock *10 t OHZ HM62256A Series * Valid Data 9 ...
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... Low Fixed *10 t WHZ is measured from the beginning of write to the end of WP are defined as the time at which the outputs achieve the open circuit HM62256A Series * * Valid Data *8 *7 ...
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... CDR * — — Data retention mode CS V – +25°C and not guaranteed. CC HM62256A Series Unit Test conditions CS ≥ V – 0.2 V, Vin ≥ 3.0 V, Vin ≥ µ ≥ V µA – 0 See retention waveform ...