实时时钟

Real Time Clock Serial (I2C, SPI) 16byte Clock/Calendar/Alarm/Timer 14-Pin SOP T/R

RTC-8564NB:B0 ROHS RTC I2C-BUS 5+23PPM SON-22 PIN 1K TR

RX-4035SAAC3PURESN

RX4901CE XB B03 REAL TIME CLOCK 3 WIRE SPI-BUS +/-5PPM -40~85C PIN 4EVIN3 250TR

REAL TIME CLOCK 5+/-23PPM 250TR

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

RX4901CE XS C00 REAL TIME CLOCK 4 WIRE SPI-BUS +/-3PPM -40~85C PIN 4FOUT 1K TR

RX4901CE XB A03 REAL TIME CLOCK 3 WIRE SPI-BUS +/-5PPM -40~85C PIN 4FOUT 250TR

RTC SON 14PIN 5+/-23PPM STICK

RX-4045NB:AA0 PURE SN RTC 5+/-5PPM 1K T/R