DS1302 RTC Clock Module - Waveshare 9709

Description

Real time clock (RTC) module based on the DS1302 chip. The clock counts the seconds, minutes, hours, days of the month, month, days of the week and year. The calendar includes dates up to 2100. The plate also has a 32,768 kHz quartz resonator and a battery socket. Communication with the clock system is carried out using the SPI interface (3 or 4 wire).

Application example

• Mobile / portable devices
• Electronic watches
• Clocks in digital devices

properties

• Supply voltage: 2.0 V - 5.5 V
• The battery voltage supporting the RTC clock operation: 3.0 V - 5.0 V
• Working temperature: 0 ° C - +70 ° C
• Power consumption: <1 mW (maintaining the clock and data in RAM)
• Dimensions: 31 mm x 15 mm