实时时钟

Real Time Clock - 32.768kHz - Programmable Counters & Alarms - 2 outputs - SPI Interface - 1.5 to 3.6 VDC - 16 Le ...

Battery-Backed I2C Real-Time Clock/Calendar - 64-byte SRAM - 1.8 to 5.5VDC - 12/24 hour - I2C - -40°C to +125°C - ...

Real Time Clock Serial 64byte Clock/Calendar/Alarm/Battery Backup Automotive 8-Pin SOIC N T/R

Battery-Backed I2C Real-Time Clock/Calendar - 64-byte SRAM - 1.8 to 5.5VDC - 12/24 hour - I2C - -40°C to +85°C - ...

Battery-Backed I2C Real-Time Clock/Calendar - 64-byte SRAM - 1.8 to 5.5VDC - 12/24 hour - I2C - -40°C to +85°C - ...

Real Time Clock (RTC) IC Clock/Calendar - I²C, 2-Wire Serial - 10-SMD Module

Battery-Backed I2C Real-Time Clock/Calendar - 64-byte SRAM - 1.8 to 5.5VDC - 12/24 hour - I2C - -40°C to +85°C - ...

RX4901CE XB C00 REAL TIME CLOCK 4 WIRE SPI-BUS +/-5PPM -40~85C PIN 4FOUT 1K TR

Real Time Clock Serial - 64byte Clock/Calendar/Alarm/Battery Backup Automotive 8-Pin TSSOP - Tube

RX-8571NB:B3PURESN