IPC-SM-782A-表面贴装焊盘图形设计标准.pdf.pdf - 第207页

5.0 LAND PATTERN DIMENSIONS Figures 2a-2b provide the land pattern dimensions for square PBGA components. These numbers represent industry con- sensus on the best dimensions based on empirical knowledge of fabricated lan…

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4.0 COMPONENT DIMENSIONS
Figures 1a-1b provide the component dimensions for square PBGAs.
Component
Contact
Array ABCDWPHForG
Identifier
Rows x
Cols. max max max max nom. basic max nom.
PBGA 7x7 FO25 5x5 7.00 7.00 5.08 5.08 0.75 1.27 3.50 0.96
PBGA 7x7 FE16 4x4 7.00 7.00 3.81 3.81 0.75 1.27 3.50 1.6
PBGA 8x8 FE36 6x6 8.00 8.00 6.35 6.35 0.75 1.27 3.50 0.82
PBGA 8x8 FO25 5x5 8.00 8.00 5.08 5.08 0.75 1.27 3.50 1.46
PBGA 9x9 FE36 6x6 9.00 9.00 6.35 6.35 0.75 1.27 3.50 1.32
PBGA 9x9 FO25 5x5 9.00 9.00 5.08 5.08 0.75 1.27 3.50 1.96
PBGA 10x10 FE49 7x7 10.00 10.00 7.62 7.62 0.75 1.27 3.50 1.19
PBGA 10x 10 FO36 6x6 10.00 10.00 6.35 6.35 0.75 1.27 3.50 1.82
PBGA 11x11 FE64 8x8 11.00 11.00 8.89 8.89 0.75 1.27 3.50 1.05
PBGA 11x11 FO49 7x7 11.00 11.00 7.62 7.62 0.75 1.27 3.50 1.69
PBGA 12x12 FE81 9x9 12.00 12.00 10.16 10.16 0.75 1.27 3.50 0.92
PBGA 12x12 FO64 8x8 12.00 12.00 8.89 8.89 0.75 1.27 3.50 1.56
PBGA 13x13 FE100 10x10 13.00 13.00 11.43 11.43 0.75 1.27 3.50 0.78
PBGA 13x13 FO81 9x9 13.00 13.00 10.16 10.16 0.75 1.27 3.50 1.42
PBGA 14x14 FE100 10x10 14.00 14.00 11.43 11.43 0.75 1.27 3.50 1.28
PBGA 14x14 FO81 9x9 14.00 14.00 10.16 10.16 0.75 1.27 3.50 1.92
PBGA 15x15 FO121 11x11 15.00 15.00 12.70 12.70 0.75 1.27 3.50 1.15
PBGA 15x15 FE100 10x10 15.00 15.00 11.43 11.43 0.75 1.27 3.50 1.78
PBGA 17x17 FO169 13x13 17.00 17.00 15.24 15.24 0.75 1.27 3.50 0.88
PBGA 17x17 FE144 12x12 17.00 17.00 13.97 13.97 0.75 1.27 3.50 1.51
PBGA 19X19 FE196 14x14 19.00 19.00 16.51 16.51 0.75 1.27 3.50 1.24
PBGA 19X19 FO169 13x13 19.00 19.00 15.24 15.24 0.75 1.27 3.50 1.88
PBGA 21X21 FE256 16x16 21.00 21.00 19.05 19.05 0.75 1.27 3.50 0.971
FE = Full Even Matrix
FO = Full Odd Matrix
Figure 1a PBGA component dimensions
IPC-SM-782
Subject
1.27 mm Pitch PBGA JEDEC MO-151
Date
4/99
Section
14.1.2
Revision
—
Page2of6
5.0 LAND PATTERN DIMENSIONS
Figures 2a-2b provide the land pattern dimensions for square
PBGA components. These numbers represent industry con-
sensus on the best dimensions based on empirical knowledge
of fabricated land patterns.
Note: The data supplied in the detail and table reflect a full
matrix. Specific contact and depopulation and pin assignment
must be furnished by the device manufacturer.
The dotted line in Figures 2a-2b shows the grid placement
courtyard which is the area required to place land patterns
and their respective components in adjacent proximity without
interference or shorting. Numbers in the table represent the
number of grid elements (each element is 0.5 by 0.5 mm) in
accordance with the international grid detailed in IEC publica-
tion 97.
RLP Component Identifier
Contact
Array
Rows x
Cols.
Max.
Contact
Count C D X E
Placement
Grid
960 PBGA 7x7 FO25 5x5 25 5.08 5.08 0.60 1.27 16X16
961 PBGA 7x7 FE16 4x4 16 3.81 3.81 0.60 1.27 16X16
962 PBGA 8x8 FE36 6x6 36 6.35 6.35 0.60 1.27 18X18
963 PBGA 8X8 FO25 5x5 25 5.08 5.08 0.60 1.27 18X18
964 PBGA 9x9 FE36 6x6 36 6.35 6.35 0.60 1.27 20X20
965 PBGA 9x9 FO25 5x5 25 5.08 5.08 0.60 1.27 20X20
966 PBGA 10x10 FE49 7x7 49 7.62 7.62 0.60 1.27 22X22
967 PBGA 10x10 FO36 6x6 36 6.35 6.35 0.60 1.27 22X22
968 PBGA 11x11 FE64 8x8 64 8.89 8.89 0.60 1.27 24X24
969 PBGA 11x11 FO49 7x7 49 7.62 7.62 0.60 1.27 24X24
970 PBGA 12x12 FE81 9x9 81 10.16 10.16 0.60 1.27 26X26
971 PBGA 12x12 FO64 8x8 64 8.89 8.89 0.60 1.27 26X26
972 PBGA 13x13 FE100 10x10 100 11.43 11.43 0.60 1.27 28X28
973 PBGA 13x13 FO81 9x9 81 10.16 10.16 0.60 1.27 28X28
974 PBGA 14x14 FE100 10x10 100 11.43 11.43 0.60 1.27 30X30
975 PBGA 14x14 FO81 9x9 81 10.16 10.16 0.60 1.27 30X30
976 PBGA 15x15 FO121 11x11 121 12.70 12.70 0.60 1.27 32X32
977 PBGA 15x15 FE100 10x10 100 11.43 11.43 0.60 1.27 32X32
978 PBGA 17x17 FO169 13x13 169 15.24 15.24 0.60 1.27 36X36
979 PBGA 17x17 FE144 12x12 144 13.97 13.97 0.60 1.27 36X36
980 PBGA 19X19 FE196 14x14 196 16.51 16.51 0.60 1.27 40X40
981 PBGA 19X19 FO169 13x13 169 15.24 15.24 0.60 1.27 40X40
982 PBGA 21X21 FE256 16x16 256 19.05 19.05 0.60 1.27 44X44
FE = Full Even Matrix
FO = Full Odd Matrix
For land pattern tolerance analysis,
see Section 14.0, Subsection 6.
Figure 2a PBGA land pattern dimensions
IPC-SM-782
Subject
1.27 mm Pitch PBGA JEDEC MO-151
Date
4/99
Section
14.1.2
Revision
—
Page3of6
Component
Contact
Array ABCDWPHForG
Identifier
Rows x
Cols. max max max max nom. basic max nom.
PBGA 21X21 FO225 15x15 21.00 21.00 17.78 17.78 0.75 1.27 3.50 1.6
PBGA 23X23 FE324 18x18 23.00 23.00 21.59 21.59 0.75 1.27 3.50 0.70
PBGA 23X23 FO289 17x17 23.00 23.00 20.32 20.32 0.75 1.27 3.50 1.34
PBGA 25X25 FO361 19x19 25.00 25.00 22.86 22.86 0.75 1.27 3.50 1.07
PBGA 25X25 FE324 18x18 25.00 25.00 21.59 21.59 0.75 1.27 3.50 1.70
PBGA 27X27 FO441 21x21 27.00 27.00 25.40 25.40 0.75 1.27 3.50 0.80
PBGA 27X27 FE400 20x20 27.00 27.00 24.13 24.13 0.75 1.27 3.50 1.43
PBGA 29X29 FE484 22x22 29.00 29.00 26.67 26.67 0.75 1.27 3.50 1.16
PBGA 29X29 FO441 21x21 29.00 29.00 25.40 25.40 0.75 1.27 3.50 1.80
PBGA 31X31 FE576 24x24 31.00 31.00 29.21 29.21 0.75 1.27 3.50 0.89
PBGA 31X31 FO529 23x23 31.00 31.00 27.94 27.94 0.75 1.27 3.50 1.53
PBGA 33X33 FO625 25x25 33.00 33.00 30.48 30.48 0.75 1.27 3.50 1.26
PBGA 33X33 FE576 24x24 33.00 33.00 29.21 29.21 0.75 1.27 3.50 1.89
PBGA 35X35 FO729 27x27 35.00 35.00 33.02 33.02 0.75 1.27 3.50 0.99
PBGA 35X35 FE676 26x26 35.00 35.00 31.75 31.75 0.75 1.27 3.50 1.62
PBGA 37.5X37.5 FO841 29x29 37.50 37.50 35.56 35.56 0.75 1.27 3.50 0.97
PBGA 37.5X37.5 FE784 28x28 37.50 37.50 34.29 34.29 0.75 1.27 3.50 1.60
PBGA 40X40 FO961 31x31 40.00 40.00 38.10 38.10 0.75 1.27 3.50 0.95
PBGA 40X40 FE900 30x30 40.00 40.00 36.83 36.83 0.75 1.27 3.50 1.58
PBGA 42.5X42.5 FO1089 33x33 42.50 42.50 40.64 40.64 0.75 1.27 3.50 0.93
PBGA 42.5X42.5 FE1024 32x32 42.50 42.50 39.37 39.37 0.75 1.27 3.50 1.56
PBGA 45X45 FO1225 35x35 45.00 45.00 43.18 43.18 0.75 1.27 3.50 0.91
PBGA 45X45 FO1156 34x34 45.00 45.00 41.91 41.91 0.75 1.27 3.50 1.54
PBGA 47.5X47.5 FO1369 37x37 47.50 47.50 45.72 45.72 0.75 1.27 3.50 0.89
PBGA 47.5X47.5 FE1296 36x36 47.50 47.50 44.45 44.45 0.75 1.27 3.50 1.52
PBGA 50X50 FO1521 39x39 50.00 50.00 48.26 48.26 0.75 1.27 3.50 0.87
PBGA 50X50 FE1444 38x38 50.00 50.00 46.99 46.99 0.75 1.27 3.50 1.50
Figure 1b PBGA component dimensions
FE = Full Even Matrix
FO = Full Odd Matrix
IPC-SM-782
Subject
1.27 mm Pitch PBGA JEDEC MO-151
Date
4/99
Section
14.1.2
Revision
—
Page4of6