The CAT24C256 is a 256-kb Serial CMOS EEPROM, internally organized as 512 pages of 64 bytes each, for a total of 32,768 bytes of 8 bits each.It features a 64-byte page write buffer and supports the Standard (100 kHz), Fast (400 kHz) and Fast-Plus (1 MHz) IWrite operations can be inhibited by taking the WP pin High (this protects the entire memory).External address pins make it possible to address up to eight CAT24C256 devices on the same bus.On-Chip ECC (Error Correction Code) makes the device suitable for high reliability applications. Features ---
The 24AA256-I/SN is a 32K x 8 (256Kbit) serial Electrically Erasable Programmable Read-only Memory (EEPROM), capable of operation across a broad voltage range (1.7 to 5.5V). It has been developed for advanced, low-power applications such as data acquisition. This device also has a page write capability of up to 64bytes of data. This device is capable of both random and sequential reads up to the 256K boundary. Functional address lines allow up to eight devices on the same bus, for up to 2Mbit address space.