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    參數(shù)資料
    型號(hào): MPC8271CZQTMFX
    廠商: FREESCALE SEMICONDUCTOR INC
    元件分類: 微控制器/微處理器
    英文描述: 32-BIT, 400 MHz, RISC PROCESSOR, PBGA516
    封裝: 27 X 27 MM, 2.25 MM HEIGHT, 1 MM PITCH, PLASTIC, MS-034AAL-1, BGA-516
    文件頁數(shù): 6/60頁
    文件大?。?/td> 918K
    代理商: MPC8271CZQTMFX
    MPC8272 PowerQUICC II Family Hardware Specifications, Rev. 1.5
    14
    Freescale Semiconductor
    Power Dissipation
    4.7
    References
    Semiconductor Equipment and Materials International
    (415) 964-5111
    805 East Middlefield Rd.
    Mountain View, CA 94043
    MIL-SPEC and EIA/JESD (JEDEC) Specifications
    800-854-7179 or
    (Available from Global Engineering Documents)
    303-397-7956
    JEDEC Specifications
    http://www.jedec.org
    1. C.E. Triplett and B. Joiner, “An Experimental Characterization of a 272 PBGA Within an
    Automotive Engine Controller Module,” Proceedings of SemiTherm, San Diego, 1998, pp. 47–54.
    2. B. Joiner and V. Adams, “Measurement and Simulation of Junction to Board Thermal Resistance
    and Its Application in Thermal Modeling,” Proceedings of SemiTherm, San Diego, 1999, pp.
    212–220.
    5
    Power Dissipation
    Table 7 provides preliminary, estimated power dissipation for various configurations. Note that suitable
    thermal management is required to ensure the junction temperature does not exceed the maximum
    specified value. Also note that the I/O power should be included when determining whether to use a heat
    sink. For a complete list of possible clock configurations, refer to Section 7, “Clock Configuration
    Table 7. Estimated Power Dissipation for Various Configurations 1
    1
    Test temperature = 105
    ° C
    Bus
    (MHz)
    CPM
    Multiplication
    Factor
    CPM
    (MHz)
    CPU
    Multiplication
    Factor
    CPU
    (MHz)
    PINT(W)
    2, 3
    2
    PINT = IDD x VDD Watts
    3
    Values do not include I/O. Add the following estimates for active I/O based on the following bus speeds:
    66.7 MHz = 0.35 W (nominal), 0.4 W (maximum)
    83.3 MHz = 0.4 W (nominal), 0.5 W (maximum)
    100 MHz = 0.5 W (nominal), 0.6 W (maximum)
    133 MHz = 0.7 W (nominal), 0.8 W (maximum)
    Vddl 1.5 Volts
    Nominal
    Maximum
    66.67
    3
    200
    4
    266
    1
    1.2
    100
    2
    200
    3
    300
    1.1
    1.3
    100
    2
    200
    4
    400
    1.3
    1.5
    133
    2
    267
    3
    400
    1.5
    1.8
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