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AT28HC64B - 64K (8K x 8) High-speed Parallel EEPROM

General Description

The AT28HC64B is a high-performance electrically-erasable and programmable readonly memory (EEPROM).

Its 64K of memory is organized as 8,192 words by 8 bits.

Key Features

  • Fast Read Access Time.
  • 70 ns.
  • Automatic Page Write Operation.
  • Internal Address and Data Latches for 64 Bytes.
  • Fast Write Cycle Times.
  • Page Write Cycle Time: 10 ms Maximum (Standard) 2 ms Maximum (Option.
  • Ref. AT28HC64BF Datasheet).
  • 1 to 64-byte Page Write Operation.
  • Low Power Dissipation.
  • 40 mA Active Current.
  • 100 µA CMOS Standby Current.
  • Hardware and Software Data Protection.
  • DA.

📥 Download Datasheet

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Other Datasheets by Atmel (now Microchip Technology)

Part Number Description
AT28HC64BF 64K (8K x 8) High Speed Parallel EEPROM
AT28HC256 256K (32K x 8) High-speed Parallel EEPROM
AT28HC256N High-speed Parallel EEPROM
AT28BV16 16K 2K x 8 Battery-Voltage CMOS E2PROM
AT28BV256 256K (32K x 8) Battery-Voltage Parallel EEPROMs

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
Features • Fast Read Access Time – 70 ns • Automatic Page Write Operation – Internal Address and Data Latches for 64 Bytes • Fast Write Cycle Times – Page Write Cycle Time: 10 ms Maximum (Standard) 2 ms Maximum (Option – Ref. AT28HC64BF Datasheet) – 1 to 64-byte Page Write Operation • Low Power Dissipation – 40 mA Active Current – 100 µA CMOS Standby Current • Hardware and Software Data Protection • DATA Polling and Toggle Bit for End of Write Detection • High Reliability CMOS Technology – Endurance: 100,000 Cycles – Data Retention: 10 Years • Single 5 V ±10% Supply • CMOS and TTL Compatible Inputs and Outputs • JEDEC Approved Byte-wide Pinout • Industrial Temperature Ranges • Green (Pb/Halide-free) Packaging Option Only 1.