The AT93C86A-10SU-2.7-T is an EEPROM device manufactured by Microchip. It is a 16Kb (2K x 8, 1K x 16) Serial Peripheral Interface (SPI) memory device, contained in a standard Small Outline Integrated Circuit (SOIC) package with leads spaced at 150mil for easy soldering and mounting. It is RoHS compliant, meaning that it uses no hazardous or toxic materials in its construction. It is an 8-pin device and provides a low current standby mode, low pin count and low voltage operation. The device also features a two-wire serial EEPROM interface, a write protect pin for hardware data protection, and an externally controlled write protect pin for software data protection. It has a very low power consumption and is suitable for a variety of applications including smart cards, security codes, and other memory-intensive tasks.