Part Number Manufacturer / Brand Brife Description Part StatusMemory TypeMemory FormatTechnologyMemory SizeClock FrequencyWrite Cycle Time - Word, PageAccess TimeMemory InterfaceVoltage - SupplyOperating TemperatureMounting TypePackage / CaseSupplier Device Package
IDT, Integrated Device Technology Inc IC SRAM 64K PARALLEL 28DIP ActiveVolatileSRAMSRAM - Asynchronous64Kb (8K x 8)
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70ns70nsParallel4.5 V ~ 5.5 V-55°C ~ 125°C (TA)Through Hole28-CDIP (0.600", 15.24mm)28-DIP
Microchip Technology IC EEPROM 256K PARALLEL 28CDIP ActiveNon-VolatileEEPROMEEPROM256Kb (32K x 8)
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10ms200nsParallel4.5 V ~ 5.5 V-55°C ~ 125°C (TC)Through Hole28-CDIP (0.600", 15.24mm)28-CDIP
Microchip Technology IC EEPROM 256K PARALLEL 28CDIP ActiveNon-VolatileEEPROMEEPROM256Kb (32K x 8)
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10ms120nsParallel4.5 V ~ 5.5 V-55°C ~ 125°C (TC)Through Hole28-CDIP (0.600", 15.24mm)28-CDIP
Microchip Technology IC EEPROM 256K PARALLEL 28CDIP ActiveNon-VolatileEEPROMEEPROM256Kb (32K x 8)
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10ms90nsParallel4.5 V ~ 5.5 V-55°C ~ 125°C (TC)Through Hole28-CDIP (0.600", 15.24mm)28-CDIP
Microchip Technology IC EEPROM 256K PARALLEL 28CDIP ActiveNon-VolatileEEPROMEEPROM256Kb (32K x 8)
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3ms120nsParallel4.5 V ~ 5.5 V-55°C ~ 125°C (TC)Through Hole28-CDIP (0.600", 15.24mm)28-CDIP