AT24C512SI2.7 AT24C512-SSH-P-T AT24C512-SSH-T AT24C512W AT24C512W-10SI2.7 AT24C512W-10SI-2.7 AT24C512W-10SU-1.8 AT24C512W-10SU2.7 AT24C512W-10SU-2.7 AT24C512W-10SU27