DS2417P+ MCP79520-I/MS MCP79511T-I/MS RX-8035SA:AA PURE SN RV-3029-C3-32.768KHZ-OPTION-B-TB-QA BQ4845YS-A4G4 ISL12057IUZ PCF2123BS/1,518 MCP79512T-I/MN RX-4035SA:AA3 PURE SN RV-3049-C3-32.768KHZ-OPTION-B-TB-QA BQ4850YMA-85N DS1683S+T&R PCF85363ATL/AX MCP79512T-I/MS PCF2131TFY ISL1209IU10Z-TK X1288V14Z DS1306E+T&R MCP79522-I/MS