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MEMORY DATABOOK - Al Kossow's Bitsavers

MEMORY DATABOOK - Al Kossow's Bitsavers

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.EPROM·MSM27C64AS •• ----------------------------------------FUNCTION TABLE~eE OE PGM vpp vee(20) (22) (27) (1) Outputs(2B)ModeRead VIL VIL VIH +5V +5V DoutOutput Disable VIL VIH VIH +5V +5V High impedanceStand-by VIH - - +5V +5V High impedanceProgram VIL - VIL +21V +6V DINProgram Verify VIL VIL VIH +21V +6V DoutProgram Inhibit VIH - - +21V +6V High impedance-; ean be either VIL or VIHABSOLUTE MAXIMUM RATINGSTemperature Under BiasStorage Temperature<strong>Al</strong>llnputiOutput VoltagesVee Supply VoltageProgram VoltagePower Assembly VoltageThe voltage with respect to GND.Ta ......................... -1 ooe - BOoeTstg .......................-55°e - 125°eVIN, VOUT ................. VIN = -0.6V - 13.5V,VOUT = -0.3V - Vee + 1 VVee ....................... -0.3V -7VVpp ....................... -0.6V - 23VPD ........................ 1.5WELECTRICAL CHARACTERISTICSRECOMMENDED OPERATION CONDITIONLimitParameter SymbolOperatingRemarksMin. Typ. Max.TemperatureSymbolVee Power SupplyVoltageVee 4.5 5.0 5.5VVpp Voltage Vpp 3.B 5.0 6.2"H" Level InputVoltageVIH 2.00 - 6.5ooe -70oeVee=5V±10%Vpp=Vee±0.7VVV"L" Level InputVoltageVIL -0.1 - 0.8VThe voltage with respecllo GND402

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