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    參數(shù)資料
    型號: MPC8313ECZQADD
    廠商: Freescale Semiconductor
    文件頁數(shù): 84/99頁
    文件大?。?/td> 0K
    描述: IC MPU POWERQUICC II PRO 516PBGA
    標(biāo)準(zhǔn)包裝: 40
    系列: MPC83xx
    處理器類型: 32-位 MPC83xx PowerQUICC II Pro
    速度: 267MHz
    電壓: 0.95 V ~ 1.05 V
    安裝類型: 表面貼裝
    封裝/外殼: 516-BBGA 裸露焊盤
    供應(yīng)商設(shè)備封裝: 516-PBGAPGE(27x27)
    包裝: 托盤
    配用: MPC8313E-RDB-ND - BOARD PROCESSOR
    MPC8313E PowerQUICC II Pro Processor Hardware Specifications, Rev. 4
    Freescale Semiconductor
    85
    RJC is device related and cannot be influenced by the user. The user controls the thermal environment to
    change the case-to-ambient thermal resistance, RCA. For instance, the user can change the size of the heat
    sink, the airflow around the device, the interface material, the mounting arrangement on the printed-circuit
    board, or change the thermal dissipation on the printed-circuit board surrounding the device.
    To illustrate the thermal performance of the devices with heat sinks, the thermal performance has been
    simulated with a few commercially available heat sinks. The heat sink choice is determined by the
    application environment (temperature, airflow, adjacent component power dissipation) and the physical
    space available. Because there is not a standard application environment, a standard heat sink is not
    required.
    Accurate thermal design requires thermal modeling of the application environment using computational
    fluid dynamics software which can model both the conduction cooling and the convection cooling of the
    air moving through the application. Simplified thermal models of the packages can be assembled using the
    junction-to-case and junction-to-board thermal resistances listed in Table 70. More detailed thermal
    models can be made available on request.
    Table 70. Thermal Resistance for TEPBGAII with Heat Sink in Open Flow
    Heat Sink Assuming Thermal Grease
    Airflow
    Thermal Resistance
    (
    C/W)
    Wakefield 53
    53 2.5 mm pin fin
    Natural convection
    13.0
    0.5 m/s
    10.6
    1 m/s
    9.7
    2 m/s
    9.2
    4 m/s
    8.9
    Aavid 35
    31 23 mm pin fin
    Natural convection
    14.4
    0.5 m/s
    11.3
    1 m/s
    10.5
    2 m/s
    9.9
    4 m/s
    9.4
    Aavid 30
    30 9.4 mm pin fin
    Natural convection
    16.5
    0.5 m/s
    13.5
    1 m/s
    12.1
    2 m/s
    10.9
    4 m/s
    10.0
    Aavid 43
    41 16.5 mm pin fin
    Natural convection
    14.5
    0.5 m/s
    11.7
    1 m/s
    10.5
    2 m/s
    9.7
    4 m/s
    9.2
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