AT24C512BN-SH-25 AT24C512BN-SH25-B AT24C512BN-SH25-B. AT24C512BN-SH25T AT24C512BN-SH-25-T AT24C512BN-SH25-T AT24C512BN-SH25-T(2FB2) AT24C512BN-SH25-T(PROG) AT24C512BN-SH-B AT24C512BN-SH-T