DESCRIPTION
The CAT24WC257 is a 256K-bit Serial CMOS EEPROM internally organized as 32,768 words of 8 bits each. Catalyst’s advanced CMOS technology substantially reduces device power requirements. The CAT24WC257 features a 64-byte page write buffer. The device operates via the I2C bus serial interface and is available in 8-pin DIP or 8-pin SOIC packages.

FEATURES
■ Write protect feature
    – Top 1/4 array protected when WP at VIH
■ 100,000 program/erase cycles
■ 100 year data retention
■ 8-pin DIP or 8-pin SOIC
■ "Green" package options available
■ 1MHz I2C bus compatible*
■ 1.8 to 6 volt operation
■ Low power CMOS technology
■ 64-Byte page write buffer
■ Self-timed write cycle with auto-clear
■ Commercial, industrial and automotive temperature ranges