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DS1372
I²C, 32-Bit, Binary Counter Clock with 64-Bit ID

Ideal Clock for Portable Media Players


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Description
FULL DATA SHEET (PDF, 176kB)
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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/active-low 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.

Key Features   Applications/Uses
  • 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

 
  • Portable Audio and Video Players

    Key Specifications:   Timekeeping & Real-Time Clocks
    Part Number Functions Time Format (hh = sec/100) Date Format Interface Supply Voltage (V) Time- keeping Current (typ) (nA) CL, Load Capacitance (pF) Memory Type Number of Time of Day Alarms Price**
    DS1372 
    Elapsed Time Counter
    Binary Binary I2C 3
    3.3
    5
    400 12.5 None 1 $0.98 @ 1k
    See All Timekeeping & Real-Time Clocks (86)
    Notes:
    **This pricing is BUDGETARY, for comparing similar parts. Prices are in U.S. dollars and subject to change. Quantity pricing may vary substantially and international prices may differ due to local duties, taxes, fees, and exchange rates. For volume-specific prices and delivery, please see the price and availability page or contact an authorized distributor.

    Diagram
    DS1372: Typical Operating Circuit
    Typical Operating Circuit

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    2007-08-07
    This page last modified: 2007-10-11



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