A49LF004

www.DataSheet4U.com A49LF004 4 Mbit CMOS 3.3Volt-only Firmware Hub Flash Memory Preliminary Document Title 4 Mbit CMOS 3.3 Volt-only Firmware Hub Flash Memory Revision History Rev. No. 0.0 History Initial issue Issue Date November 21, 2003 Remark Preliminary PRELIMINARY (November, 2003, Version 0.0) AMIC Technology, Corp. A49LF004 4 Mbit CMOS 3.3Volt-only Firmware Hub Flash Memory Preliminary 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-chip selection 5 GPI pins for General Purpose Input Register TBL# pin for hardware write protection to Boot Block WP# pin for hardware...