memory products - Al Kossow's Bitsavers

ST27128APBLOCK DIAGRAMYee 0-----­GNO 0-------=-+Yppo----+OUTPUT ENABLECHIP ENABLE ANDPROG. LOGICVDECODERAO-A13ADDRESSINPUTSXDECODERABSOLUTE MAXIMUM RATINGSSymbolVIVppTambT stgParameterAll Input or Output voltages with respect to groundSupply voltage with respect to groundAmbient temperature under biasStorage temperature rangeVoltage on pin 24 with respect to groundValuesUnit+ 6.25 to - 0.6 V+14to -0,6V-10 to +80 ·C- 65 to +125 ·C+ 13.5 to -0.6 VStresses above those lisled under "Absolute Maximum Ratings" may cause permanent damage to the device. This is a stress rating onlyand functional operation of the device at these or any other conditions above those indicated in the operational sections of this specificationis not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability.OPERATING::------::MODES-MODE-PGMVpp Vee OUTPUTSCE OE A9(11·13,(20) (22) (24) (2!) (1) (28) 1!H9)READ VIL VIL X VIH Vee Vee DOUTOUTPUT DISABLE VIL VIH X VIH Vee Vee HIGH ZSTANDBY VIH X X X ,Vee Vee HIGH ZFAST PROGRAMMING VIL VIH X VIL Vpp Vee DINVERIFY VIL VIL X VIH Vpp Vee DOUTPROGRAM INHIBIT VIH X X X Vpp Vee HIGH ZELECTRONIC SIGNATURE ViL VIL VH VIH Vee Vee CODESNOTE: X can be V 1H 'or VII:'2110156