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SST49LF004A - 2 Mbit / 3 Mbit / 4 Mbit / 8 Mbit Firmware Hub

Download the SST49LF004A datasheet PDF (SST49LF002A included). The manufacturer datasheet provides complete specifications, pinout details, electrical characteristics, and typical applications for 2 mbit / 3 mbit / 4 mbit / 8 mbit firmware hub.

Description

The SST49LF00xA flash memory devices are designed to be read-compatible with the Intel 82802 Firmware Hub (FWH) device for PC-BIOS application.

It provides protection for the storage and update of code and data in addition to adding system design flexibility through five general purpose inputs.

Features

  • Firmware Hub for Intel 8xx Chipsets.
  • 2 Mbit, 3 Mbit, 4 Mbit, or 8 Mbit SuperFlash memory array for code/data storage.
  • SST49LF002A: 256K x8 (2 Mbit).
  • SST49LF003A: 384K x8 (3 Mbit).
  • SST49LF004A: 512K x8 (4 Mbit).
  • SST49LF008A: 1024K x8 (8 Mbit).
  • Flexible Erase Capability.
  • Uniform 4 KByte Sectors.
  • Uniform 16 KByte overlay blocks for SST49LF002A.
  • Uniform 64 KByte overlay blocks for SST49LF003A/004A/008A.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (SST49LF002A_SiliconStorageTechnology.pdf) that lists specifications for multiple related part numbers.

Datasheet Details

Part number SST49LF004A
Manufacturer Silicon Storage Technology
File Size 412.10 KB
Description 2 Mbit / 3 Mbit / 4 Mbit / 8 Mbit Firmware Hub
Datasheet download datasheet SST49LF004A Datasheet

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Full PDF Text Transcription

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2 Mbit / 3 Mbit / 4 Mbit / 8 Mbit Firmware Hub SST49LF002A / SST49LF003A / SST49LF004A / SST49LF008A SST49LF002A / 003A / 004A / 008A2 Mb / 3 Mb / 4 Mb / 8 Mb Firmware Hub for Intel 8xx Chipsets Advance Information FEATURES: • Firmware Hub for Intel 8xx Chipsets • 2 Mbit, 3 Mbit, 4 Mbit, or 8 Mbit SuperFlash memory array for code/data storage – SST49LF002A: 256K x8 (2 Mbit) – SST49LF003A: 384K x8 (3 Mbit) – SST49LF004A: 512K x8 (4 Mbit) – SST49LF008A: 1024K x8 (8 Mbit) • Flexible Erase Capability – Uniform 4 KByte Sectors – Uniform 16 KByte overlay blocks for SST49LF002A – Uniform 64 KByte overlay blocks for SST49LF003A/004A/008A – Top Boot Block protection - 16 KByte for SST49LF002A - 64 KByte for SST49LF003A/004A/008A – Chip-Erase for PP Mode Only • Single 3.0-3.
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