AT24C08BN-TH-T AT24C08B-PC AT24C08B-PU AT24C08B-PU (PDIP 8) AT24C08B-PU 08B 1 AT24C08B-PU 存储IC AT24C08B-PUM AT24C08B-TH AT24C08B-TH- AT24C08B-TH-B