M24256-BW Datasheet, PDF (1/25 Pages) STMicroelectronics – 256Kbit and 128Kbit Serial I2C Bus EEPROM With Three Chip Enable Lines

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
Reference
128 Kbits
256 Kbits
Part Number
M24128-BW
M24128-BR
M24256-BW
M24256-BR
Figure 1. Packages
8
1
PDIP8 (BN)
8
1
SO8 (MN)
150 mil width
8
1
SO8 (MW)
200 mil width
TSSOP8 (DW)
169 mil width
June 2005
1/25