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  • 參數(shù)資料
    型號: PC755BVZFU350LD
    英文描述: MICROPROCESSOR|32-BIT|CMOS|BGA|360PIN|PLASTIC
    中文描述: 微處理器| 32位|的CMOS | BGA封裝| 360PIN |塑料
    文件頁數(shù): 39/48頁
    文件大?。?/td> 276K
    代理商: PC755BVZFU350LD
    PC755B/745B
    39/48
    7.1.2. Mechanical Dimensions of the PC745B PBGA package
    Figure 25 provides the mechanical dimensions and
    bottom surface nomenclature of the PC745B, 255 PBGA package.
    M
    NOTES:
    A. DIMENSIONING AND TOLERANCING
    PER ASME Y14.5M, 1994.
    B. DIMENSIONS IN MILLIMETERS.
    C. TOP SIDE A1 CORNER INDEX IS A
    METALIZED FEATURE WITH VARIOUS
    SHAPES. BOTTOM SIDE A1 CORNER IS
    DESIGNATED WITH A BALL MISSING
    FROM THE ARRAY.
    D. CAPACITOR PADS MAY BE
    UNPOPULATED.
    0.2
    D
    2X
    A1 CORNER
    E
    0.2
    B
    A
    A
    A1
    A2
    C
    0.2 C
    B
    C
    C
    255X
    e
    1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
    A
    B
    C
    D
    E
    F
    G
    H
    J
    K
    L
    M
    N
    P
    R
    T
    A
    0.3
    0.15
    b
    Millimeters
    Min
    2.25
    0.50
    1.00
    0.60
    21.00 BSC
    21.00 BSC
    1.27 BSC
    DIM
    A
    A1
    A2
    b
    D
    E
    e
    Max
    2.80
    0.70
    1.20
    0.90
    Figure 25 : Mechanical Dimensions and Bottom Surface Nomenclature of the PC745B PBGA
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