RX4901CE Overview
Real time clock module REAL TIME CLOCK MODULE (SPI-Bus) Built-in 32.768 kHz-DTCXO, +105C operating temperature, Low current consumption, Built-in power supply switching circuit and Time stamp function up to 32 records RX4901CE Built in frequency adjusted 32.768 kHz crystal unit and DTCXO Interface Type : 3 wire / 4 wire SPI-Bus Current consumption : 240 nA / 3 V (Typ.) Auto power switching function.