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AT28C64B Complete

(file size: 303770, 18 pages, revision L, updated: 02/2009)

64K EEPROM with 64-byte Page and Software Data Protection

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High-performance 64K EEPROM offers access times to 150ns with power dissipation of 220mW. Deselected, CMOS standby current is less than 100µA . It is accessed like static RAM for the read or write cycle without external components. It contains a 64-byte page register to allow writing of up to 64 bytes simultaneously. The EEPROM features Internal error correction for extended endurance and improved data retention. Optional software data protection mechanism guards against inadvertent writes, and an extra 64 bytes of EEPROM enables device identification or tracking.

Key Parameters


Operating Voltage (Vcc):

4.5 to 5.5




8K x 8


Ordering Code Package Operational Range Carrier Type Samples Atmel Store Availability1 Unit Price2 Buy Online
AT28C64B-15SU SOIC (300mil) 28S 28 Industrial (A) (-40°C to 85°C) Request
AT28C64B-15JU PLCC 32J 32 Industrial (A) (-40°C to 85°C) Request
AT28C64B-15TU TSOP 28T 28 Industrial (A) (-40°C to 85°C) Request
AT28C64B-15PU PDIP 28P6 28 Industrial (A) (-40°C to 85°C) Request

1Backlog orders can be placed for items currently not available.
2Suggested retail price per unit for budgetary use only.