AT49LW040 Description
The AT49LW080 and the AT49LW040 are Flash memory devices designed to be patible with the Intel 82802AC and the Intel 82802AB Firmware Hub (FWH) devices for PC-Bios Application.
AT49LW040 Key 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 Mod
- 5-signal munication Interface Supporting x8 Reads and Writes
- Read and Write Protection for Each Sector Using Software-controlled Registers