The 93C56AT-I/OT is an EEPROM Memory device manufactured by Microchip. It is a 2K-bit, 1.8V serial EEPROM memory with an SOIC-8 package. It features a 3-wire serial bus protocol with 225 kHz clock rate, page write capability (2 words per page, 64 pages total), active current write cycle, and low power. The -I/OT feature denotes an industrial and mid-range operating temperature range, -40° C to +125° C.