AT24C04BN-SH AT24C04BN-SH-B AT24C04BN-SH-T AT24C04BN-SH-T IC AT24C04BN-SH-T 存储IC AT24C04BN-SP25-B AT24C04BN-SP25-T AT24C04BN-SSHN-T AT24C04BN-SU18 AT24C04BN-SU27