M95640-WDW6TPIC EEPROM 64KBIT 10MHZ 8TSSOP|STMICROELECTRONICS|Lead free|RoHS Compliant 25LC640AT-I/ST M95640-WDW6TGIC EEPROM 64KBIT 10MHZ 8TSSOP|STMICROELECTRONICS|Lead free|RoHS Compliant 25LC640AT-I/ST