RV-3049-C3-32.768KHZ-OPTION-A-TA-QC DS1672U-33+ ISL12027IVAZ PCF8563TS/4,118 RX6110SA:B0 PURE SN RX-4045SAAA3 PURE SN RX-4045SA:AA:PURE SN RTC-8564NB:B0:ROHS RX-4045NB:AA3 ISL12027IV30AZ 1339-31DVGI8 RV-4162-C7-32.768KHZ-20PPM-TA-QA RX8900CE:UA3 RX-4803SA:UB PURE SN RX-8035LC:B0 ISL12026IBZ-T7A ISL12027IVZ PCA8565TS/1,118 PCF85263ATT1/AJ DS1672S-33+