MEMORY DATABOOK - Al Kossow's Bitsavers

--------------------------------------I.EPROM·MSM27C128AS.DC CHARACTERISTICS(VCC = 6V±0.25V, Vpp = 21 V±0.5V, Ta = 25°C±5°C)LimitsParameter Symbol Conditions UnitMin. Typ. Max.Input Leakage Current III VIN =5.5V - - 10 p.AVpp Power Current Ipp CE = PGM =VIL - - 30 mAVCC Power Current ICC - - - 30 mAInput Voltage "H" Level VIH - 2.0 - VCC+1 VInput Voltage "L" Level VIL - -0.1 - 0.8 VOutput Voltage "H" Level VOH IOH = -400 p.A 2.4 - - VOutput Voltage "L" Level VOL IOL =2.1 mA - - 0.45 VAC CHARACTERISTICS(VCC = 6V±0.25V, Vpp = 21 V±0.5V, Ta = 25°C±5°C)LimitsParameter Symbol Conditions UnitMin. Typ. Max.Address Set-up Time tAS - 2 - - p'sOE Set-up Time tOES - 2 - - p'sData Set-up Time tDS - 2 - - p'sAddress Hold Time tAH - 0 - - p'sData Hold Time tDH - 2 - - p'sOutput Enable to OutputFloat DelaytDFP -0 - 130 nsVpp Power Set-up Time tvs - 2 - - p'sPGM Initial Program Pulse Width tpw - 0.95 1.0 1.05 msPGM Overprogram Pulse Width topw - 3.8 - 63 msCE Set-up Time tCES - 2 - - p'sData Valid from OE tOE - - - 150 ns411