AT28C256-25DM/883-815
EEPROM Parallel 256K-bit 32K x 8 5V 28-Pin CDIP Tube

From MICROCHIP TECHNOLOGY

Access Time (Max)250(ns)
Data Retention10
Density262144(Bit)
FrequencyNot Required(MHz)
Interface TypeParallel
MountingThrough Hole
Operating Supply Voltage (Max)5.5(V)
Operating Supply Voltage (Min)4.5(V)
Operating Supply Voltage (Typ)5(V)
Operating Temp Range-55C to 125C
Operating Temperature (Max)125C
Operating Temperature (Min)-55C
Operating Temperature ClassificationMilitary
Organization32Kx8
Output Enable Access Time100(ns)
Package TypeCDIP
PackagingRail/Tube
Pin Count28
ProgrammableYes
Programming Voltage4.5 TO 5.5
Rad HardenedNo
Supply Current50(mA)
Write ProtectionYes

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