RX-8581NB B 5+/-23PPM,
RX-8581NB:B I2C-BUS,IC RTC CLK/CALENDAR I2C 22SON
RX-8581NB:B PURE SN,IC RTC CLK/CALENDAR I2C 22SON
RX-8581NB:B0,IC RTC CLK/CALENDAR I2C 22SON
RX-8581NB:B3,实时时钟 i2C Bus -40C +85C 5 +/-23ppm 22 PIN
【EPSON】RX-8581NB:B3 PURE SN,IC REAL TIME CLOCK 22-SON
【EPSON】RX-8581SA:B,IC REAL TIME CLOCK 14-SOP
RX-8581SA:B:PURE SN,IC RTC CLK/CALENDAR I2C 14SOP