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AT45DB021A - 2-megabit 2.7-volt Only Serial DataFlash

Datasheet Summary

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.

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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Datasheet preview – AT45DB021A

Datasheet Details

Part number AT45DB021A
Manufacturer ATMEL Corporation
File Size 421.56 KB
Description 2-megabit 2.7-volt Only Serial DataFlash
Datasheet download datasheet AT45DB021A Datasheet
Additional preview pages of the AT45DB021A datasheet.

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Full PDF Text Transcription

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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 Continuous Read Capability through Entire Array Internal Program and Control Timer Low Power Dissipation – 4 mA Active Read Current Typical – 2 µA CMOS Standby Current Typical 13 MHz Max Clock Frequency Hardware Data Protection Feature Serial Peripheral Interface (SPI) Compatible – Modes 0 and 3 CMOS and TTL Compatible Inputs and Outputs Commercial and Industrial Temperature Ranges 2-megabit 2.
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