AT24C128BN-SU-2.7 AT24C128BN-TH-B AT24C128BN-TH-T AT24C128B-PI AT24C128B-PU AT24C128B-PU (PDIP 8) AT24C128B-PU-2.7 AT24C128B-TH AT24C128B-TH-B AT24C128B-TH-B 存储IC