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AT49LW080 - 8-megabit and 4-megabit Firmware Hub Flash Memory

Datasheet Summary

Description

The AT49LW080 and the AT49LW040 are Flash memory devices designed to be compatible with the Intel 82802AC and the Intel 82802AB Firmware Hub (FWH) devices for PC-Bios Application.

A feature of the AT49LW080/040 is the nonvolatile memory core.

Features

  • Low Pin Count (LPC) BIOS Device.
  • Functions as Firmware Hub for Intel 810, 810E, 820, 840 Chipsets.
  • 8M or 4M Bits of Flash Memory for Platform Code/Data Storage.
  • Uniform, 64-Kbyte Memory Sectors.
  • Available in 8M Bits (AT49LW080) and 4M Bits (AT49LW040).
  • Automated Byte-program and Sector-erase Operations Two Configurable Interfaces.
  • Firmware Hub (FWH) Interface for In-System Operation.
  • Address/Address Multiplexed (A/A Mux) In.

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Datasheet Details

Part number AT49LW080
Manufacturer ATMEL Corporation
File Size 465.10 KB
Description 8-megabit and 4-megabit Firmware Hub Flash Memory
Datasheet download datasheet AT49LW080 Datasheet
Additional preview pages of the AT49LW080 datasheet.

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Other Datasheets by ATMEL Corporation
  • AT49LW040 - 8-megabit and 4-megabit Firmware Hub Flash Memory
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  • AT49LV160 - (AT49xV160 / AT49xV161) Flash Memory

Full PDF Text Transcription

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Features • Low Pin Count (LPC) BIOS Device • Functions as Firmware Hub for Intel 810, 810E, 820, 840 Chipsets • 8M or 4M Bits of Flash Memory for Platform Code/Data Storage – Uniform, 64-Kbyte Memory Sectors – Available in 8M Bits (AT49LW080) and 4M Bits (AT49LW040) – Automated Byte-program and Sector-erase Operations Two Configurable Interfaces – Firmware Hub (FWH) Interface for In-System Operation – Address/Address Multiplexed (A/A Mux) Interface for Programming during Manufacturing Firmware Hub Hardware Interface Mode – 5-signal Communication Interface Supporting x8 Reads and Writes – Read and Write Protection for Each Sector Using Software-controlled Registers – Two Hardware Write-protect Pins: One for the Top Boot Sector, One for All Other Sectors – Five General-purpose Inputs, GPIs,
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