4 Mbit Cmos 3.3volt-only Firmware Hub/lpc Flash Memory

The A49FL004 is a 4 Mbit 3.0 Volt-only Flash Memories used for BIOS storage in PCs and Notebooks. This device is designed to use a single low voltage, ranging from 3.0 Volt to 3.6 Volt, power supply to perform in-system or off-system read, erase and program operations. The device conforms to Intel Low Pin Count (LPC) Interface specification revision 1.1 and also is compatible with Intel 82802 Firmware Hub (FWH) for most PC and Notebook applications. The A49FL004 supports two configurable interfaces: In-system hardware Interface which CAN Automatic detect the FWH or LPC memory cycle for in-system read and write operations, and Address/Address Multiplexed (A/A Mux) Interface for fast manufacturing on EPROM Programmers. This device is designed to work with both Intel Family chipset and Non-Intel Family Chipset, it will provide PC and Notebook manufacturers great flexibility and simplicity for design, procurement, and material inventory. The memory array of A49FL004 is divided into 128 uniform 4 KByte sectors or 8 uniform 64 KByte blocks (sector group - consists of sixteen adjacent sectors). The sector or block erase feature in the A49FL004 allows user to flexibly erase a memory area as 4Kbyte or 64 KByte by one single erase operation without affecting the data in others. The chip erase feature allows the whole memory to be erased in one single erase operation. The device CAN be programmed on a byte- by-byte basis after performing the erase operation. By AMIC Technology Corporation
A49FL004 's PackagesA49FL004 's pdf datasheet

A49FL004 Pinout, Pinouts
A49FL004 pinout,Pin out
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