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
【EPSON】RX-8581JE:B3 ROHS,IC REAL TIME CLOCK 20-VSOJ
RX-8581NB B 5+/-23PPM,
RX-8581NB:B I2C-BUS,IC RTC CLK/CALENDAR I2C 22SON