Part Number Manufacturer / Brand Brife Description Part StatusMemory TypeMemory FormatTechnologyMemory SizeClock FrequencyWrite Cycle Time - Word, PageAccess TimeMemory InterfaceVoltage - SupplyOperating TemperatureMounting TypePackage / CaseSupplier Device Package
STMicroelectronics IC EPROM 4M PARALLEL 40CDIP ObsoleteNon-VolatileEPROMEPROM - UV4Mb (256K x 16)
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100nsParallel4.5 V ~ 5.5 V0°C ~ 70°C (TA)Through Hole40-CDIP (0.600", 15.24mm) Window40-CDIP Frit Seal with Window
STMicroelectronics IC EPROM 4M PARALLEL 40CDIP ObsoleteNon-VolatileEPROMEPROM - UV4Mb (256K x 16)
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100nsParallel4.5 V ~ 5.5 V-40°C ~ 85°C (TA)Through Hole40-CDIP (0.600", 15.24mm) Window40-CDIP Frit Seal with Window
STMicroelectronics IC EPROM 4M PARALLEL 40CDIP ObsoleteNon-VolatileEPROMEPROM - UV4Mb (256K x 16)
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120nsParallel4.5 V ~ 5.5 V0°C ~ 70°C (TA)Through Hole40-CDIP (0.600", 15.24mm) Window40-CDIP Frit Seal with Window
STMicroelectronics IC EPROM 4M PARALLEL 40CDIP ObsoleteNon-VolatileEPROMEPROM - UV4Mb (256K x 16)
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150nsParallel4.5 V ~ 5.5 V0°C ~ 70°C (TA)Through Hole40-CDIP (0.600", 15.24mm) Window40-CDIP Frit Seal with Window
STMicroelectronics IC EPROM 4M PARALLEL 40CDIP ObsoleteNon-VolatileEPROMEPROM - UV4Mb (256K x 16)
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45nsParallel4.75 V ~ 5.25 V0°C ~ 70°C (TA)Through Hole40-CDIP (0.600", 15.24mm) Window40-CDIP Frit Seal with Window
STMicroelectronics IC EPROM 4M PARALLEL 40CDIP ObsoleteNon-VolatileEPROMEPROM - UV4Mb (256K x 16)
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80nsParallel4.75 V ~ 5.25 V0°C ~ 70°C (TA)Through Hole40-CDIP (0.600", 15.24mm) Window40-CDIP Frit Seal with Window