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Parallel EEPROM

Microchip is the world's leading manufacturer of parallel EEPROM devices. Parallel EEPROMs enable stored data to be updated byte-by-byte or by full sector, providing design flexibility. The parallel interface devices offer faster read times than serial Interface protocols. Microchip provides a complete selection of densities (64-Kbit to 1-Mbit), operating voltages, and device packages. Microchip's Battery Voltage™ (2.7V), low voltage (3V), and 5V devices are used extensively across a broad spectrum of products, including telecommunications, avionics, and military applications.

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Key Features

  • Save on components — The devices are accessed like a static RAM for the read or write cycle, without the need for external components.
  • Military grade EEPROM — 256-Kbit and 1-Mbit parallel EEPROM’s compliant to MIL-STD-883 and dual marked with Standard Microcircuit Drawings (SMD) part numbers.
  • Extra features — The devices offer extra features that include internal error correction, an optional software data protection mechanism, and space for device identification.
DeviceDescription
AT28BV256Battery-Voltage Parallel EEPROM 256K (32K x 8)
AT28BV64BBattery-Voltage Parallel EEPROM 64K (8K x 8) with Page Write and Software Data Protection
AT28C010Paged Parallel EEPROM 1M (128K x 8)
AT28C256Paged Parallel EEPROM 256K (32K x 8)
AT28C64BParallel EEPROM 64K (8K x 8) with Page Write and Software Data Protection
AT28HC256High-Speed Parallel EEPROM 256K (32K x 8)
AT28HC64BHigh-Speed ParallelEEPROM 64K (8K x 8) with Page Write and Software Data Protection
AT28HC64BFHigh Speed Parallel EEPROM 64K (8K x 8) with Page Write and Software Data Protection
AT28LV010Low-Voltage Paged Parallel EEPROM 1M (128K x 8)