memory products - Al Kossow's Bitsavers

M27128ABLOCK DIAGRAMVceO--­GND o----to­VppO---DATA OUTPUT00- 07OUTPUT ENABLECHIP ENABLE ANDPROG.LOGICVDECODERAO-AI3ADDRESSINPUTSXDECODER5-7664ABSOLUTE MAXIMUM RATINGSSymbolParameterV, All Input or Output voltages with respect to groundVppTambTst!lSupply voltage with respect to groundAmbient temperatur,e under bias IF1IF6Storage temperature rangeVoltage on pin 24 with respect to groundValues'+,6.25 to - 0.6+ 14 to -0,6-10 to +80- 50 to +95- 65 to +125+ 13.5 to -0.6Stressss above those listed under "Absolute Maximum Ratings" may cause permanent damage to the device. This is a stress rating onlyand functional oparatlon of the device at these or any other condHions above those indicat!>d in the operational sections of this specificationis not impll!>d' Exposure 10 absolute maximum rating conditions for extend!>d periods may affect device reliability.Unit.VV·C·C·CVOPERATING:::-------::MODESceMODE-PGMVpp Vee OUTPUTSOE AS (11-13,(20) (22) (24) (27) (1) (28) " 15-19)READ V,L V,L X ViH Vee Vee DOl,JTOUTPUT DISABLE V,L V,H X V,H Vee Vee HIGHZSTANDBY V,H X .X X Vee Vee' HIGHZFAST PROGRAMMING V,L , V,H X V,L vpp vee D,NVERIFY V,L V,L X V,H Vpp Vee DOl,JT'PROGRAM INHIBIT V,H X X: X Vpp , Vee HIGHZELECTRONIC SIGNATURE V,L V,L VH ,V,H, ,Vee Vee CODESNOTE: X can be V 1H or V1l211054