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HT23C256 数据表(PDF) 4 Page - Holtek Semiconductor Inc |
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HT23C256 数据表(HTML) 4 Page - Holtek Semiconductor Inc |
4 / 8 page Supply voltage: 4.5V~5.5V Ta=–40 °C to 85°C Symbol Parameter Test Conditions Min. Typ. Max. Unit VCC Conditions VCC Operating Voltage — — 4.5 — 5.5 V ICC Operating Current 5V O/P Unload, f=5MHz —— 25 mA VIL Input Low Voltage 5V — VSS — 0.8 V VIH Input High Voltage 5V — 2.2 — VCC V VOL Output Low Voltage 5V IOL=3.2mA — — 0.4 V VOH Output High Voltage 5V IOH=–1mA 2.4 — VCC V ILI Input Leakage Current 5V VIN=0 to VCC —— 10 µA ILO Output Leakage Current 5V VOUT=0 to VCC —— 10 µA ISTB1 Standby Current 5V CE=VIL CE=VIH — — 1.5 mA ISTB2 Standby Current 5V CE ≤ 0.2V CE ≥ VCC–0.2V —— 30 µA CIN Input Capacitance (See note) — f=1MHz — — 10 pF COUT Output Capacitance (See note) — f=1MHz — — 10 pF Note: These parameters are periodically sampled but not 100% tested. A.C. Characteristics Ta=–40 °C to 85°C Symbol Parameter VCC=2.7V~3.6V VCC=4.5V~5.5V Unit Min. Max. Min. Max. tCYC Cycle Time 250 — 150 — ns tAA Address Access Time — 250 — 150 ns tACE Chip Enable Access Time — 250 — 150 ns tAOE Output Enable Access Time — 150 — 80 ns tOH Output Hold Time — — 10 — ns tOD Output Disable Time (See Note) — — — 70 ns tOE Output Enable Time (See Note) — — 10 — ns Note: These parameters are periodically sampled but not 100% tested. HT23C256 4 24th Aug ’98 |
类似零件编号 - HT23C256 |
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类似说明 - HT23C256 |
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