SII (Seiko Instruments, Inc.) S-93L66AD0I-T8T1G Format - Memory: EEPROMs - Serial Interface: 3-Wire Serial Memory Size: 4K (256 x 16) Memory Type: EEPROM Operating Temperature: -40?°C ~ 85?°C Package / Case: 8-TSSOP Series: - Speed: 2MHz Voltage - Supply: 1.6 V ~ 5.5 V