AT28C040-20BI SL703
EEPROM Parallel 4M-bit 512K x 8 5V 32-Pin SBCDIP T/R

From Atmel

CategoryEEPROM
Data Retention10 Year
Density4 Mb
DescriptionValue
Hardware Data ProtectionYes
Interface TypeParallel
ManufacturerAtmel
Maximum Random Access Time200 ns
Operating Temperature-55 to 125 °C
Organization512Kx8
Package32SBCDIP
Programming Voltage4.5 to 5.5 V
Typical Operating Supply Voltage5 V

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