CAT25C128/256 128K/256K-Bit SPI Serial CMOS E2PROM.
Catalyst Semiconductor
CAT25C256 - 128K/256K-Bit SPI Serial CMOS E2PROM
CAT25C128/256 128K/256K-Bit SPI Serial CMOS E2PROM FEATURES s 5 MHz SPI Compatible s 1.8 to 6.0 Volt Operation s Hardware and Software Protection s Ze.