DS1339 Description
The DS1339 serial real-time clock (RTC) is a lowpower clock/date device with two programmable timeof-day alarms and a programmable square-wave output. Address and data are transferred serially through an I2C bus. The clock/date provides seconds, minutes, hours, day, date, month, and year information.
DS1339 Key Features
- pletely Manages All Timekeeping
- Interfaces to Most Microcontrollers o I2C Serial Interface
- Low-Power Operation Extends Battery Backup Run Time o Automatic Power-Fail Detect and Switch Circuitry o Trickle-Charge
- Underwriters Laboratories® (UL) Recognized
- Surface-Mount Package with an Integrated Crystal (DS1339C Saves Additional Space and Simplifies Design