The Maxim Integrated DS1307 series is a real-time clock (RTC) module designed to provide accurate timekeeping for electronic devices. It is widely used in embedded systems, such as microcontrollers, microprocessors, and other digital circuits.
Features
Inexpensive and simple to use.
RAM that isn't volatile, 56 bytes.
8-pin SOIC package in a small form factor.
-40°C to +85°C operating temperature range.
2.0V to 5.5V is a large operational voltage range.
Minimal power usage with a battery backup option.
I2C interface for simple microcontroller connectivity.
Both the fast and conventional I2C modes are supported.
Two programmable alarms with square-wave output and an interrupt.
Automatic switching between battery backup and power failure detection.
Accuracy of +/- 2 ppm from 0 to +40 and +/- 3.5 ppm from -40 to +85 degrees Celsius.
Square-wave output that is programmable and has a frequency range of 1Hz to 32.768kHz.
Can be applied to many different applications, such as timers, digital clocks, and data loggers.
A real-time clock and calendar with seconds, minutes, hours, days, months, and years of resolution.
Applications
Robotics
Data recorders
Security measures
Smart grid software
Medical equipment
Vehicle applications
Digital timers and clocks
Systematic control of energy
Systems for automating homes
Systems for industrial automation
The DS1307 series clock is generally applicable to any application requiring precise timekeeping and timing tasks. It is suitable for use in portable and battery-powered devices due to its low power consumption, wide operating voltage range, and tiny form factor.