DS1307 RTC Timer IC

The DS1307 is a low-power, full binary-coded decimal (BCD) timer IC. It counts seconds, minutes, hours, date of the month, month, day of the week, and year with leap-year compensation.

Features of DS1307 RTC Timer IC –

• Real-Time Clock with calendar function

• Tracks seconds, minutes, hours, day, date, month, and year

• Automatic leap-year correction

• I²C (2-wire) serial interface

• 56 bytes of non-volatile RAM

• Battery backup for uninterrupted timekeeping

• Programmable square-wave output

• Low power consumption

Specifications of DS1307 RTC Timer IC –

• Operating Voltage: 4.5V – 5.5V

• Backup Battery: 3V (CR2032)

• Time Format: 12-hour / 24-hour selectable

• Clock Input: 32.768 kHz crystal

• Interface: I²C

• Package: DIP-8 / SOIC-8

• Operating Temperature: 0°C to +70°C

Applications of DS1307 RTC Timer IC –

• Digital clocks and timers

• Arduino / Raspberry Pi projects

• Data logging systems

• IoT devices

• Embedded electronics

Design Resources –

DS1307 Datasheet