49LF004

www.DataSheet4U.com A49LF004 4 Mbit CMOS 3.3Volt-only Firmware Hub Flash Memory Document Title 4 Mbit CMOS 3.3 Volt-only Firmware Hub Flash Memory Revision History Rev. No. 0.0 0.1 0.2 1.0 History Initial issue Add Pb-Free package type Change Ordering Information Final version release Issue Date November 21, 2003 August 20, 2004 October 21, 2005 December 13, 2005 Remark Preliminary Final (December, 2005, Version 1.0) AMIC Technology, Corp. www.DataSheet4U.com A49LF004 4 Mbit CMOS 3.3Volt-only Firmware Hub Flash Memory FEATURES Single Power Supply Operation Low voltage range: 3.0 V - 3.6 V for Read and Write Operations Standard Intel Firmware Hub Interface Read compatible to Intel® 82802 Firmware Hub devices Memory Configuration 512K x 8 (4 Mbit) Block Architecture 4Mbit: eight uniform 64KByte blocks Supports full chip erase for Address/Address Multiplexed (A/A Mux) mode Automatic Erase and Program Operation Embedded Byte Program and Block/Chip Erase algorithms Typical 10 µs/byte programming time Typical 1s block erase time Two Operational Modes Firmware Hub Interface (FWH) Mode for in-system operation Address/Address Multiplexed (A/A Mux) Interface Mode for programming equipment Firmware Hub (FWH) Mode 33 MHz synchronous operation with PCI bus 5-signal communication interface for in-system read and write operations Standard SDP Command Set Data# Polling (I/O7) and Toggle Bit (I/O6) features Block Locking Register for all blocks 4 ID pins for multi-chi...