PCF8523TK/1,118
NXP Semiconductors
MCP79522-I/MS
Roving Networks / Microchip Technology
M41T80M6F
STMicroelectronics
M41T82SM6F
RV-3129-C3-32.768KHZ-OPTION-B-TA-QC
Micro Crystal
M41T83RQA6F
M41T93RQA6F
RX8900SA:UA3 PURE SN
Epson
RX8804CE:XB3
RV-8564-C2-32.768KHZ-20PPM-TA-QC
RV-3129-C3-32.768KHZ-OPTION-A-TB-QA
RV-2123-C2-32.768KHZ-20PPM-TA-QC
RX-8035SA:B3 PURE SN
ISL1208IB8Z
Intersil (Renesas Electronics America)
PCF8593T/1,118
PCF2129AT/2,518
ISL1208IU8Z
DS1371U+
Maxim Integrated
DS1337S+
DS1372U+