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BGA Pad Count Matrix

This matrix is provided courtesy of Emulation Technology.

Ball Pitch Code Table (mm)
1 = 1.503 = 1.005 = 0.507= 2.509= 0.65
2 = 1.274 = 0.756 = 0.808= 2.54 

Grid
Size
1234567891011121314151617181920212223
8 x 828486064                  
9 x 93256728081
10 x 1036648496100
11 x 11407296112120121
12 x 124480108128140144
13 x 134888120144160168169
14 x 145296132160180192196
15 x 1556104144176200216224225
16 x 1660112156192220240252256
17 x 1764120168208240264280288289
18 x 1868128180224260288308320324
19 x 1972136192240280312336352360361
20 x 2076144204256300336364384396400
21 x 2180152216272320373392416432440441
22 x 2284160228288340384420448468480484
23 x 2388168240304360408448480504520528529
24 x 2492176252320380432476512540560572576
25 x 2596184264336400456504544576600616624625
26 x 26100192276352420480532576612640660672676
27 x 27104200288368440504560608648680704720728729
28 x 28108208300384460528588640684720748768780784
29 x 29112216312400480552616672720760792816832840841
30 x 30116224324416500576644704756800836864884896900
31 x 31120232336432520600672736792840880912936952960961
32 x 32124240348448540624700768828880924960988100810201024
33 x 33128248360464560648728800864920968100810401064108010881089
34 x 341322563724805806727568329009601012105610921120114011521156
35 x 35136264384496600696784864936100010561104114411761200121612241225
36 x 36140272396512620720812896972104011001152119612321260128012921296
37 x 3714428040852864074484092810081080114412001248128813201344136013681369
38 x 3814828842054466076886896010441120118812481300134413801408142814401444
39 x 39152296432560680792896992108011601232129613521400144014721496151215201521
40 x 401563044445767008169241024111612001276134414041456150015361564158415961600
41 x 4116031245659272084095210561152124013201392145615121560160016321656167216801681
42 x 4216432046860874086498010881188128013641440150815681620166417001728174817601764
43 x 431683284806247608881008112012241320140814881560162416801728176818001824184018481849
44 x 441723364926407809121036115212601360145215361612168017401792183618721900192019321936
45 x 4517634450465680093610641184129614001496158416641736180018561904194419762000201620242025




Webmaster: Kirt Blattenberger, BSEE, UVM 1989