real time clocks

I2C-BUS RTC +/-5.0PPM-30~70C SOP-14 PIN 1K T/R

RX4901CE XS A03 REAL TIME CLOCK 3 WIRE SPI-BUS +/-3PPM -40~85C PIN 4FOUT 250TR

RX-8803LC:UA0 PURE SN I2C-BUS RTC +/-3.4PPM-40~85C VSOJ-12 PIN 1K TR

RX4901CE XS C06 REAL TIME CLOCK 4 WIRE SPI-BUS +/-3PPM -40~85C PIN 4FOUT 2K TR

RX-4571NB:0 RTC SON 22PIN 5+/-23PPM 1K TR

RTC SON 14PIN 5+/-23PPM 250TR

RX4901CE XB C06 REAL TIME CLOCK 4 WIRE SPI-BUS +/-5PPM -40~85C PIN 4FOUT 2K TR

I2C-BUS RTC +/-5.0PPM-30~70C BULK-CUT TAPE

RX8901CE XS A03 REAL TIME CLOCK I2C-BUS +/-3PPM -40~85C PIN 4 FOUT 250TR

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