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BUY AT28HC256-90PC https://www.utsource.net/itm/p/1900373.html
256 32K x 8 High Speed Parallel EEPROMs
Description: The AT28HC256-90PC is a 28-pin CMOS Electrically Erasable Programmable Read-Only Memory (EEPROM) from Atmel. Features: 256K bits of memory organized as 32K words by 8 bits Low voltage operation: 2.7V to 5.5V Access times: 90ns Endurance: 100,000 write cycles Data retention: 100 years Single supply voltage Low power consumption Fully static operation JEDEC approved Pin and function compatible with 28C256 Applications: Automotive Industrial control Security systems Consumer electronics Data logging Medical equipment (For reference only)