AB-RTCMC-32.768KHZ-EOA9-S3-DBT RX-4045SA:AA0:PURE SN RX-4581NB:B ROHS MCP79401-I/SN DS1340U-33+T&R MCP79412T-I/ST AB-RTCMC-32.768KHZ-EOA9-S3-HAT RV-8523-C3-32.768KHZ-10PPM-TA-QC M48T512V-85PM1 MCP79402-I/SN DS1338Z-3+T&R M41T62Q6F AB-RTCMC-32.768KHZ-EOZ9-S3-HAT RV-3029-C3-32.768KHZ-OPTION-B-TB-QC ISL12032IVZ-T MCP79410T-I/ST M41T83RQA6F MCP79411T-I/MNY DS1308U-3+ RV-3049-C3-32.768KHZ-OPTION-B-TB-QC