MEMORY DATABOOK - Al Kossow's Bitsavers

---------------_____ DYNAMIC RAM· MSM41256AS/RS _FUNCTIONAL BLOCK DIAGRAMColumnAddressBuffersWEAo .... A,DoutVCCVSS-RowAddressBuffersyWordDriversOn chip VBBMemoryCellsDinABSOLUTE MAXIMUM RATINGS (See Note)Rating Symbol Value UnitVoltage on any pin relative to VSS VIN, VOUT -1 to +7 VVoltage on VCC supply relative to VSS Vee -1 to +7 VOperating temperature Topr o to 70 °eStorage temperature T stg -55 to +150 °ePower dissipation Po 1.0 WShort circuit output current 50 mANote: Permanent device damage may occur if ABSOLUTE MAXIMUM RATINGS are exceeded. Functional operationshould be restricted to the conditions as detailed in the operational sections of this data sheet. Exposureto absolute maximum rating conditions for extended periods may affect device reliability.RECOMMENDED OPERATING CONDITIONS(Respect to VSS)Parameter Symbol Min. Typ. Max. UnitSupply VoltageVr:r: 4.5 5.0 5.5 VVSS 0 0 0 VInput High Voltage, all inputs VIH 2.4 6.5 VInput Low Voltage, all inputs VIL -1.0 0.8 VOperatingTemperatureoOe to +70 o e109