MEMORY DATABOOK - Al Kossow's Bitsavers

.EPROM·MSM27128AS •• ---------------------------------------DC CHARACTERISTICS(VCC = 5V±5%, Vpp = VCC±0.6V, Ta = O°C -70°C)LimitsParameter Symbol Conditions UnitMin. Typ. Max.Input Leakage Current III VIN =5.25V - - 10 /LAOutput Leakage Current ILO VOUT =5.25V - - 10 /LAVCC Power Current (Stand-by) ICC, CE =VIH - - 35 mAVCC Power Current (Operation) ICC2 CE =VIL - - 100 mAProgram Power Current Ipp, Vpp = VCC±0.6V - - 5 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 /LA 2.4 - - VOutput Voltage "L" Level VOL IOL =2.1 mA - - 0.45 VAC CHARACTERISTICS(VCC = 5V±5%, Vpp = VCC±0.6V, Ta = O°C -70°C)27128-20 27128-25 27128-30Parameter Symbol Conditions UnitMin. Max. Min. Max. Min. Max.Address Access TimetACCCE =OE =VIL,PGM =VIH- 200 - 250 - 300 nsCE Access TimetCEOE =VIL,PGM =VIH- 200 - 250 - 300 nsOE Access TimetOECE =VIL,PGM =VIH- 75 - 100 - 120 nsOutput Oisable TimetOFCE =VIL,PGM =VIH0 60 0 60 0 105 nsMeasurement conditionInput pulse level .......................... 0.45V and 2.4VInput timing reference level ............... 0.8V and 2.0VOutputload .............................. 1 TTL GATE + 100pFOutput timing reference level .............. 0.8V and 2.0V374