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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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Status
Active: In Production.

Description
FULL DATA SHEET (PDF, 176kB)
Download this datasheet in PDF formatDownload   Send this datasheet to any email addressE-Mail
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 Date/ Time Format Interface VSUPPLY
    (V)
    Time Keeping Current
    (nA)
    CL
    (pF)
    Memory Type Time of Day Alarms Price
    hh = sec/100 typ See Notes
    DS1372  Elapsed Time Counter Binary I2C
    3
    3.3
    5
    400 12.5 None 1 $0.98 @1k
    See All Timekeeping & Real-Time Clocks (80)

    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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