AT24C02BN-SU18 AT24C02BN-SU-18 AT24C02BN-SU-2.7 AT24C02BN-SU27 AT24C02BN-SU-T AT24C02BN-TH-T AT24C02BN-TU AT24C02B-P AT24C02B-PU AT24C02B-PU 存储IC