RX-4801JE (UB) +/-3.8PPM,
【EPSON】RX-4801JE:UB,IC REAL TIME CLOCK MODULE
RX-4801SA (UB) +/-3.8PPM,
RX-4801SA:UB PURE SN,IC RTC CLK/CALENDAR SER 14SOP
RX-4801SA:UB0 PURE SN,IC RTC CLK/CALENDAR SER 14SOP
【EPSON】RX-4801SA:UB3 PURE SN,IC REAL TIME CLOCK 14-SOP
RX-4803LC:AA3 PURE SN,IC RTC CLK/CALENDAR SPI 12VSOJ
RX-4803LC:AAB PURE SN,IC RTC CLK/CALENDAR SPI 12VSOJ
