AT24C512BN-SH-2.5 AT24C512BN-SH2.5-T AT24C512BN-SH25 AT24C512BN-SH-25 AT24C512BN-SH25-B AT24C512BN-SH25-B. AT24C512BN-SH25T AT24C512BN-SH-25-T AT24C512BN-SH25-T AT24C512BN-SH25-T(2FB2)