EEPROM, Through Hole, PDIP-28, Parallel
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The AT28C64E-12PU is a 64Kbit (8K x 8) Electrically Erasable Programmable Read-Only Memory (EEPROM) supplied in a 28-pin Plastic Dual In-line Package (PDIP-28) for through-hole mounting. This device utilizes a parallel interface for read and write operations, adhering to standard parallel EEPROM protocols. The “-12” designation indicates an access time of 120ns, specifying the maximum time required for the device to output valid data after an address is applied. It operates from a single 5V power supply and features self-timed write cycles, simplifying system integration. The AT28C64E offers in-system programmability and reprogramming capabilities, allowing for non-volatile data storage and modification without removing the device from the circuit. It is typically used for storing configuration data, calibration constants, and other non-volatile information in embedded systems.