实时时钟

RX-4045SA:AA3 PURE SN 5+/-5PPM 250 T/R

5+/-23PPM REAL TIME CLOCK 1K TR

RTC +/-5.0PPM -40~85C 250TR

RX4111CE:B6 REAL TIME CLOCK SPI-BUS 3.0V 23PPM 2K TR

RX-4035SA:AA3PURESN

RX-8571LC:B0 PURE SN 5+/-23PPM REAL TIME CLOCK

I2C-BUS RTC +/-5.0PPM-40~85C VSOJ-12 PIN 250TR

RX8901CE XB A00 REAL TIME CLOCK I2C-BUS +/-5PPM -40~85C PIN 4 FOUT 1K TR

RX-8803SA:UB0 PURE SN I2C-BUS RTC +/-5.0PPM-40~85C SOP-14 PIN 1K TR

REAL TIME CLOCK 5+/-5PPM STICK