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    PC Motherboard Clocks

    9LPRS471
    9LPRS471 (PC Motherboard Clocks) Description | Orderable Parts | Documents | Contacts

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    DESCRIPTION
    Programmable System Clock Chip for ATI RS790 - K8TM based Systems
    Additional Info
    The ICS9LPRS471 is a main clock synthesizer chip that provides all clocks required for ATI RS7xx-based systems.using AMD processors. An SMBus interface allows full control of the device.

    Output Features:

  • 2 - Greyhound compatible K8 CPU pair
  • 6 - low-power differential SRC pairs
  • 2 - low-power differential SouthBridge SRC pairs
  • 4 - low-power differential ATIG pairs
  • 1 - Selectable low-power differential 100MHz nonspread SATA/ SRC output
  • 1 - Selectable 100MHz low-power differential/ 66 MHz single-ended HTT clock
  • 2 - 48MHz USB clock
  • 3 - 14.318MHz Reference clock


  • ORDERABLE PARTS
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      Part ID
    Compare
    Temperature
    Voltage
    Package
    Speed
    Chipset
    Embedded
    Suggested - Pkg. Voltage
    Core Supply Voltage (VDD)
    Input Style
    Output Style
    Output Supply Voltage (VDDO)
    Temp. Grade
    Temp. Range
    9LPRS471CKLF 
    9LPRS471CKLF 
    1.8 V 
    NA 
    AMD® 
    RS780,RS790 
    N;A 
     
     
    3.3 V 
    XTAL 
    TYPE-SR 
    1.05-3.3 
     
    9LPRS471CKLFT 
    9LPRS471CKLFT 
    1.8 V 
    NA 
    AMD® 
    RS780,RS790 
    N;A 
     
     
    3.3 V 
    XTAL 
    TYPE-SR 
    1.05-3.3 
     




    DOCUMENTS
    Type Title Size Revision Date
    Misc   PC Clocks Contact Info 61 KB 05/29/2007
    Product Change Notice   PCN# : A0903-04 Chipmos Taiwan & Carsem Malaysia as Alternate Assembly Site for Copper Wire Proces 101 KB 05/12/2009


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