AT24C512C-SHD-T AT24C512C-SHD-T IC AT24C512C-SHM-B AT24C512C-SHM-T AT24C512C-SSH AT24C512C-SSHD AT24C512C-SSHDB AT24C512C-SSHD-B AT24C512C-SSHD-C-T AT24C512C-SSHD-T