General Description
The DS1372 is a 32-bit binary up counter and 24-bit down counter with a unique 64-bit ID. The counters, ID, configuration, and status registers are accessed using an I2C serial interface. The DS1372 includes a SQW/INT open-drain output that can output either a square wave at one of four predefined frequencies, or it can output an active-low signal when the 24-bit down counter reaches 0.

Features
♦ Compliant with Microsoft Windows Media® DRM 10 for Portable Devices
♦ 32-Bit Binary Counter
♦ Programmable Alarm
♦ 64-Bit Factory-Programmed ID
♦ Interrupt Output
♦ I2C Serial Interface
♦ Two Selectable I2C Addresses
♦ 2.4V to 5.5V Operating Voltage Range
♦ 1.3V to 5.5V Timekeeping Operating Range
♦ -40°C to +85°C Operating Temperature Range
♦ 8-Pin µSOP

Applications
    Portable Audio and Video Players