24Xx64 is a 64 Kbit electrically erasable programmable read-only memory (EEPROM). This device uses a two-wire serial interface, organized as a 8K×8-bit single-block memory. Its low voltage design allows a minimum of 1 V operating voltage
93LC56BT-I/SN and 93LC56B-I/SN are the same item; without T = Tube, with T = Tape & Reel, Microchip EEPROM Chip, 2Kbit, Serial - Microwire Interface, SOIC Package, 8-Pin, Surface Mount