AT28HC256F-90SU SL383
EEPROM Parallel 256K-bit 32K x 8 5V 28-Pin SOIC T/R

From Atmel

CategoryEEPROM
Data Retention10 Year
Density256 Kb
DescriptionValue
Hardware Data ProtectionYes
Interface TypeParallel
ManufacturerAtmel
Maximum Random Access Time90 ns
Operating Temperature-40 to 85 °C
Organization32Kx8
Package28SOIC
Programming Voltage4.5 to 5.5 V
Typical Operating Supply Voltage5 V

External links