DESCRIPTION
The CAT25C33/65 is a 32K/64K-Bit SPI Serial CMOS EEPROM internally organized as 4Kx8/8Kx8 bits. Catalyst’s advanced CMOS Technology substantially reduces device power requirements. The CAT25C33/65 features a 64-byte page write buffer.

FEATURES
■ 10 MHz SPI compatible
■ 1.8 to 6.0 volt operation
■ Hardware and software protection
■ Low power CMOS technology
■ SPI modes (0,0 &1,1)
■ Commercial, industrial, automotive and extended temperature ranges
■ 1,000,000 program/erase cycles
■ 100 year data tetention
■ Self-timed write cycle
■ 8-pin DIP/SOIC and 14-pin TSSOP
■ 64-byte page write buffer
■ Block write protection
    – Protect first page, last page, any 1/4 or lower 1/2 of EEPROM array