4256BWP datasheet(1/25 Pages) STMICROELECTRONICS

部件名	4256BWP

功能描述	256Kbit and 128Kbit Serial I2C Bus EEPROM With Three Chip Enable Lines

PDF	25 Pages

Scroll/Zoom	100%

制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

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1 / 25 page

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June 2005

M24128-BW, M24128-BR

M24256-BW, M24256-BR

256Kbit and 128Kbit Serial I²C Bus EEPROM

With Three Chip Enable Lines

FEATURES SUMMARY

■

Compatible with I2C Extended Addressing

■

Two-Wire I2C Serial Interface

Supports 400kHz Protocol

■

Single Supply Voltage:

–

2.5 to 5.5V for M24128-BW, M24256-BW

–

1.8 to 5.5V for M24128-BR, M24256-BR

■

Hardware Write Control

■

BYTE and PAGE WRITE (up to 64 Bytes)

■

RANDOM and SEQUENTIAL READ Modes

■

Self-Timed Programming Cycle

■

Automatic Address Incrementing

■

Enhanced ESD/Latch-Up Protection

■

More than 1 Million Erase/Write Cycles

■

More than 40-Year Data Retention

Table 1. Product List

Figure 1. Packages

Reference

Part Number

128 Kbits

M24128-BW

M24128-BR

256 Kbits

M24256-BW

M24256-BR

PDIP8 (BN)

8

1

SO8 (MN)

150 mil width

8

1

TSSOP8 (DW)

169 mil width

SO8 (MW)

200 mil width

8

1

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