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DESCRIPTION

These I2C-compatible electrically erasable programmable memory (EEPROM) devices are organized as 32Kx8 bits, and operate down to 2.5 V (for the M24256-AW), and down to 1.8 V (for the M24256-AR).

The M24256-A is available in Plastic Dual-in-Line, Plastic Small Outline and Thin Shrink Small Outline packages. The M24256-A is also available in a chip-scale (SBGA) package.

¡ö Compatible with I2C Extended Addressing

¡ö Two Wire I2C Serial Interface

Supports 400 kHz Protocol

¡ö Single Supply Voltage:

¨C 4.5V to 5.5V for M24256-A

¨C 2.5V to 5.5V for M24256-AW

¨C 1.8V to 3.6V for M24256-AR

¡ö 2 Chip Enable Inputs: up to four memories can

be connected to the same I2C bus

¡ö Hardware Write Control

¡ö BYTE and PAGE WRITE (up to 64 Bytes)

¡ö RANDOM and SEQUENTIAL READ Modes

¡ö Self-Timed Programming Cycle

¡ö Automatic Address Incrementing

¡ö Enhanced ESD/Latch-Up Behavior

¡ö More than 100,000 Erase/Write Cycles

¡ö More than 40 Year Data Retention