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M50FW016

ST Microelectronics
Part Number M50FW016
Manufacturer ST Microelectronics
Description 16 Mbit 2Mb x8/ Uniform Block 3V Supply Firmware Hub Flash Memory
Published Apr 23, 2005
Detailed Description M50FW016 16 Mbit (2Mb x8, Uniform Block) 3V Supply Firmware Hub Flash Memory PRELIMINARY DATA s SUPPLY VOLTAGE – VCC = ...
Datasheet PDF File M50FW016 PDF File

M50FW016
M50FW016

Overview
M50FW016 16 Mbit (2Mb x8, Uniform Block) 3V Supply Firmware Hub Flash Memory PRELIMINARY DATA s SUPPLY VOLTAGE – VCC = 3 V to 3.
6 V for Program, Erase and Read Operations s – VPP = 12 V for Fast Program and Fast Erase TWO INTERFACES – Firmware Hub (FWH) Interface for embedded operation with PC Chipsets – Address/Address Multiplexed (A/A Mux) Interface for programming equipment compatibility s FIRMWARE HUB (FWH) HARDWARE INTERFACE MODE – 5 Signal Communication Interface supporting Read and Write Operations – Hardware Write Protect Pins for Block Protection – Register Based Read and Write Protection – 5 Additional General Purpose Inputs for platform design flexibility – Multi-byte Read Operation (4/16/128-byte) – Synchronized with 33 MHz PCI clock 4 ID0-ID3 5 FGPI0FGPI4 FWH4 CLK IC RP INIT TSOP40 (N) 10 x 20mm Figure 1.
Logic Diagram (FWH Interface) VCC VPP 4 FWH0FWH3 WP TBL s BYTE PROGRAMMING TIME – Single Byte Mode: 10µs (typical) – Quadruple Byte Mode: 2.
5µs (typical) s s 32 UNIFORM 64 Kbyte MEMORY BLOCKS PROGRAM and ERASE SUSPEND – Read other Blocks during Program/Erase Suspend – Program other Blocks during Erase Suspend M50FW016 s s FOR USE in PC BIOS APPLICATIONS ELECTRONIC SIGNATURE – Manufacturer Code: 20h – Device Code: 2Eh VSS AI04462 February 2003 This is preliminary information on a new product now in development or undergoing evaluation.
Details are subject to change without notice.
1/37 M50FW016 Figure 2.
Logic Diagram (A/A Mux Interface) DESCRIPTION The M50FW016 is a 16 Mbit (2Mb x8) non-volatile memory that can be read, erased and reprogrammed.
These operations can be performed using a single low voltage (3.
0 to 3.
6V) supply.
For fast programming and fast erasing, an optional 12V power supply can be used to reduce the programming and the erasing times.
The memory is divided into blocks that can be erased independently so it is possible to preserve valid data while old data is erased.
Blocks can be protected individually to prevent acc...


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