实时时钟

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

I2C-BUS RTC +/-3.4PPM-40~85C 250 T/R

Real Time Clock (RTC) IC - Clock/Calendar

RX8901CE XB A03 REAL TIME CLOCK I2C-BUS +/-5PPM -40~85C PIN 4 FOUT 250TR

I2C-BUS RTC +/-5.0PPM-40~85C VSOJ-12 PIN 2K T/R

RX4901CE XS B00 REAL TIME CLOCK 3 WIRE SPI-BUS +/-3PPM -40~85C PIN4EVIN3 1K TR

RX4901CE XS D0B REAL TIME CLOCK 4 WIRE SPI-BUS +/-3PPM -40~85C PIN 4EVIN3 BULK

RX-4803SA:UB0 PURE SN RTC 1.6~5.5V +/-5.0PPM-40~85C 1K T/R

I2C-BUS RTC +/-5.0PPM-30~70C 250 T/R

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