The 25LC256T-I/SN is an electrionic component manufactured by Microchip. It is an EEPROM (electrically-erasable programmable memory) Serial SPI (Serial Peripheral Interface) with a capacity of 256 Kbit (32K x 8bit). It has an operating voltage of 3.3V/5V and a maximum clock frequency of 10 MHz. It comes in an SOIC (Small Outline Integrated Circuit) 8-pin form factor.