描述 Description

The M24512-W, M24512-R, M24512-HR, M24256-BF, M24256-BW, M24256-BR and M24256-BHR devices are I2C-compatible electrically erasable programmable memories (EEPROM). They are organized as 64 Kb × 8 bits and 32 Kb × 8 bits, respectively.

I2C uses a two-wire serial interface, comprising a bidirectional data line and a clock line. The devices carry a built-in 4-bit Device Type Identifier code (1010) in accordance with the I2C bus definition. 2

特性 Features

■ Supports the I2C bus 100 kHz Standard-mode,

400 kHz Fast-mode and 1 MHz Fast-mode

Plus

■ Supply voltage ranges:

– 1.7 V to 5.5 V (M24256-BF)

– 1.8 V to 5.5 V (M24xxx-R)

– 2.5 V to 5.5 V (M24xxx-W)

■ Write Control input

■ Byte and Page Write

■ Random and sequential read modes

■ Self-timed programming cycle

■ Automatic address incrementing

■ Enhanced ESD/latch-up protection

■ More than 1 000 000 write cycles

■ More than 40-year data retention

■ Packages

– ECOPACK? (RoHS compliant)