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    參數(shù)資料
    型號(hào): IBM25PPC750L-GB500CA2SR
    英文描述: Microprocessor
    中文描述: 微處理器
    文件頁數(shù): 31/50頁
    文件大?。?/td> 516K
    代理商: IBM25PPC750L-GB500CA2SR
    5/20/99
    Version 1.51
    PowerPC 740 and PowerPC 750 Datasheet
    Page 27
    PowerPC 740 and PowerPC 750 Embedded Microprocessor
    IBM CMOS 0.20 um Copper Technology EMPPC740L and EMPPC750L
    Mechanical Dimensions of the 255 CBGA Package
    Figure 14. Mechanical Dimensions and Bottom Surface Nomenclature of the 255 CBGA
    Package
    NOTES:
    1.
    DIMENSIONING AND TOLERANCING PER
    ASME Y14.5M, 1994.
    DIMENSIONS IN MILLIMETERS.
    TOP SIDE A1 CORNER INDEX IS A
    METALIZED FEATURE WITH VARIOUS
    SHAPES. BOTTOM SIDE A1 CORNER IS
    DESIGNATED WITH A BALL MISSING FROM
    2.
    3.
    DIM
    A
    A1
    A2
    b
    D
    D1
    e
    E
    E1
    MIN
    2.45
    0.80
    0.90
    0.82
    21.00 BSC
    5.443 BSC
    1.27 BSC
    21.00 BSC
    8.075 BSC
    MAX
    3.00
    1.00
    1.10
    0.93
    MILLIMETERS
    A
    A1
    A2
    C
    0.15 C
    B
    C
    C
    255X
    e
    1 2 3 4 5 6 7 8 9 10111213141516
    T
    R
    P
    N
    M
    L
    K
    J
    H
    G
    F
    E
    D
    C
    B
    A
    e/2
    A
    0.3
    0.15
    b
    e/2
    0.2
    D
    2X
    A1 CORNER
    E
    E1
    D1
    0.2
    2X
    B
    A
    There is no ball
    in the A01 position
    A1 CORNER
    Top View
    X-ray view of balls
    from top of package
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