The CAT28LV65W25 is a 64Kbits serial EEPROM memory chip manufactured by Catalyst Semiconductor Inc. It is based on the industry-standard I2C/SMBus 8-bit protocol and operates up to a clock frequency of 1MHz. The 65W25 chip features a footprint size of SO28 with SMD mounting, a temperature range of 0°C to 70°C, and a VCC voltage of 3V to 3.6V (3.3V nominal). It provides high-speed, reliable, non-volatile memory solutions, and offers unlimited read/write cycles. The CAT28LV65W25 is ideal for applications such as secure data storage, instrumentation, home/estate/building automation, and industrial controls.