AT24C256N-10SI-1.8IC EEPROM 256KBIT 400KHZ 8SOIC|ATMEL|Lead All|RoHS Mixed AT24C256N-10SU-1.8 AT24C256N-10SI-2.7IC EEPROM 256KBIT 1MHZ 8SOIC|ATMEL|Lead All|RoHS Mixed AT24C256N-10SU-2.7