Datasheet > 存储 > 闪存> M50FLW040BNB1G

M50FLW040BNB1G

更新时间： 2024-11-26 11:28:43

品牌	Logo	应用领域
意法半导体 - STMICROELECTRONICS		闪存
页数	文件大小	规格书
52页	856K
描述
4 Mbit (5 x 64KByte Blocks + 3 x 16 x 4KByte Sectors) 3V Supply Firmware Hub / Low Pin Count Flash Memory

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M50FLW040BNB1G 数据手册

M50FLW040A

M50FLW040B

4 Mbit (5 x 64KByte Blocks + 3 x 16 x 4KByte Sectors)

3V Supply Firmware Hub / Low Pin Count Flash Memory

PRELIMINARY DATA

FEATURES SUMMARY

■

FLASH MEMORY

Figure 1. Packages

–

Compatible with either the LPC interface

or the FWH interface (Intel Spec rev1.1)

used in PC BIOS applications

–

5 Signal Communication Interface

supporting Read and Write Operations

5 Additional General Purpose Inputs for

platform design flexibility

Synchronized with 33MHz PCI clock

PLCC32 (K)

■

8 BLOCKS OF 64 KBYTES

–

5 blocks of 64 KBytes each

3 blocks, subdivided into 16 uniform

sectors of 4 KBytes each

Two blocks at the top and one at the

bottom (M50FLW040A)

One block at the top and two at the bottom

(M50FLW040B)

■

ENHANCED SECURITY

–

Hardware Write Protect Pins for Block

Protection

TSOP32 (NB)

8 x 14mm

–

■

SUPPLY VOLTAGE

–

= 3 to 3.6V for Program, Erase and

Read Operations

–

= 12V for Fast Program and Erase

TWO INTERFACES

–

Auto Detection of Firmware Hub (FWH) or

Low Pin Count (LPC) Memory Cycles for

Embedded Operation with PC Chipsets

TSOP40 (N)

10 x 20mm

–

Address/Address Multiplexed (A/A Mux)

Interface for programming equipment

compatibility.

■

PROGRAM/ERASE SUSPEND

■

PROGRAMMING TIME: 10µs typical

PROGRAM/ERASE CONTROLLER

–

Read other Blocks/Sectors during

Program Suspend

Program other Blocks/Sectors during

Erase Suspend

Embedded Program and Erase algorithms

Status Register Bits

–

ELECTRONIC SIGNATURE

–

Manufacturer Code: 20h

Device Code (M50FLW040A): 08h

Device Code (M50FLW040B): 28h

August 2004

1/52

This is preliminary information on a new product now in development or undergoing evaluation. Details are subject to change without notice.

12 3 4 5 6 7...52

中文翻译

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与M50FLW040BNB1G相关器件

型号	品牌	获取价格	描述	数据表
M50FLW040BNB1P	STMICROELECTRONICS	获取价格	4 Mbit (5 x 64KByte Blocks + 3 x 16 x 4KByte Sectors) 3V Supply Firmware Hub / Low Pin Cou
M50FLW040BNB1T	STMICROELECTRONICS	获取价格	4 Mbit (5 x 64KByte Blocks + 3 x 16 x 4KByte Sectors) 3V Supply Firmware Hub / Low Pin Cou
M50FLW040BNB1TG	STMICROELECTRONICS	获取价格	4 Mbit (5 x 64KByte Blocks + 3 x 16 x 4KByte Sectors) 3V Supply Firmware Hub / Low Pin Cou
M50FLW040BNB1TP	STMICROELECTRONICS	获取价格	4 Mbit (5 x 64KByte Blocks + 3 x 16 x 4KByte Sectors) 3V Supply Firmware Hub / Low Pin Cou
M50FLW040BNB5	STMICROELECTRONICS	获取价格	4 Mbit (5 x 64KByte Blocks + 3 x 16 x 4KByte Sectors) 3V Supply Firmware Hub / Low Pin Cou
M50FLW040BNB5G	STMICROELECTRONICS	获取价格	4-Mbit (5 】 64 Kbyte blocks + 3 】 16 】 4 Kbyt
M50FLW040BNB5P	STMICROELECTRONICS	获取价格	4-Mbit (5 】 64 Kbyte blocks + 3 】 16 】 4 Kbyt
M50FLW040BNB5T	STMICROELECTRONICS	获取价格	4 Mbit (5 x 64KByte Blocks + 3 x 16 x 4KByte Sectors) 3V Supply Firmware Hub / Low Pin Cou
M50FLW040BNB5TG	STMICROELECTRONICS	获取价格	4-Mbit (5 】 64 Kbyte blocks + 3 】 16 】 4 Kbyt
M50FLW040BNB5TP	STMICROELECTRONICS	获取价格	4-Mbit (5 】 64 Kbyte blocks + 3 】 16 】 4 Kbyt

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