CAT25040YI-GT3IC EEPROM SER 4KB 10MHZ 8TSSOP|ON SEMICONDUCTOR|Lead free|RoHS Compliant 25AA040AT-I/ST CAT25040YI-GIC EEPROM 4KB SPI SERIAL 8TSSOP|ON SEMICONDUCTOR|Lead free|RoHS Compliant 25AA040A-I/ST