MEMORY DATABOOK - Al Kossow's Bitsavers

-------------------......... _ EPROM 'MSM27C128AS _DC CHARACTERISTICS(VCC = 5V±1 0%, Vpp = VCC±0.7V, Ta = O°C -70°C)LimitsParameter Symbol Conditions UnitMin. Typ. Max.Input Leakage Current III VIN =5.5V - - 10 !LAOutput Leakage Current ILO VOUT=5.5V - - 10 !LAVCC Power Current (Stand-by) ICCl CE =VIH =VCC - - 100 !LAVCC Power Current (Operation) ICC2 CE=VIL - - 30 mAVpp Power Current IPPl Vpp =VCC±0.7V - - 100 !LAInput Voltage "H" Level VIH - 2.0 - Vce+1 VInput Voltage "L" Level VIL - -0.1 - 0.8 VOutput Voltage "H" Level VOH IOH = -400 !LA 4.0 - - VOutput Voltage "L" Level VOL IOL =2.1 mA - - 0.45 VAC CHARACTERISTICS(Vec = 5V±1 0%, Vpp = Vce±0.7V, Ta = ooe -70°C)27C128-20 27C128-25 27C128-30Parameter Symbol ConditionsMin. Max. Min. Max. Min. Max.UnitAddress 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 Disable TimetDFCE =VIL,PGM =VIH0 60 0 85 0 105 nsMeasurement conditionInput pulse level .......................... 0.45V and 2.4VInput timing reference level ............... 0.8V and 2.0VOutput load .............................. 1 TTL GATE + 100pFOutput timing reference level .............. 0.8V and 2.0V409