RX-8571SA:B0 PURE SN,IC RTC CLK/CALENDAR I2C 14SOP
【EPSON】RX-8571SA:B3 PURE SN,IC REAL TIME CLOCK 14-SOP
RX-8581JE B 5+/-23PPM,
RX-8581JE:B I2C-BUS,IC RTC CLK/CALENDAR I2C 20VSOJ
RX-8581JE:B0,IC RTC CLK/CALENDAR I2C 20VSOJ
RX-8581JE:B0 I2C-BUS,IC RTC CLK/CALENDAR I2C 20VSOJ
RX-8581JE:B3 I2C-BUS,IC RTC CLK/CALENDAR I2C 20VSOJ