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AT45DB021A Datasheet 2-megabit 2.7-volt Only Serial DataFlash

Manufacturer: Atmel (now Microchip Technology)

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General Description

The AT45DB021A is a 2.7-volt only, serial interface Flash memory suitable for in-system reprogramming.

Its 2,162,688 bits of memory are organized as 1024 pages of 264 bytes each.

In addition to the main memory, the AT45DB021A also contains two SRAM data buffers of 264 bytes each.

Key Features

  • 100% Compatible to AT45D021 Single 2.7V - 3.6V Supply Serial Interface Architecture Page Program Operation.
  • Single Cycle Reprogram (Erase and Program).
  • 1024 Pages (264 Bytes/Page) Main Memory Optional Page and Block Erase Operations Two 264-byte SRAM Data Buffers.
  • Allows Receiving of Data while Reprogramming of Nonvolatile Memory C.

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