AT24C64D-SHM-B AT24C64D-SSGM-T AT24C64D-SSH AT24C64D-SSHM AT24C64D-SSHM-B AT24C64D-SSHM-B 存储IC AT24C64D-SSH-M-T AT24C64D-SSHM-T AT24C64D-SSHM-T 64DM AT24C64D-SSHM-T 存储IC