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AT45DB021 Datasheet 2-megabit 2.7-volt Only Serial Dataflash

Manufacturer: Atmel (now Microchip Technology)

This datasheet includes multiple variants, all published together in a single manufacturer document.

AT45DB021 Overview

Features • 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 Two 264-Byte SRAM Data Buffers – Allows Receiving of Data while Reprogramming of Non-Volatile Memory Internal Program and Control Timer Fast Page Program Time – 7 ms Typical 120 µs Typical Page to Buffer Transfer Time Low Power Dissipation – 4 mA...

AT45DB021 Key Features

  • 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 Two 264-Byte SRAM Data Buffers
  • Allows Receiving of Data while Reprogramming of Non-Volatile Memory Internal Program and Control Timer Fast Page Program
  • 7 ms Typical 120 µs Typical Page to Buffer Transfer Time Low Power Dissipation
  • 4 mA Active Read Current Typical
  • 5 µA CMOS Standby Current Typical 5 MHz Max Clock Frequency Hardware Data Protection Feature Serial Peripheral Interface

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