PGA145

MOSIS Ceramic Packaging Connections and Information

MOSIS offers as a standard part an 145 pin grid array package. This package is available in two cavity sizes. The first is Kyocera KD-P85867-B or equivalent with a 0.472" cavity (topside). The second is Kyocera KD-P86499-B or equivalent with a 0.700" cavity (also topside). Both are 1.575" square packages and have the same bonding finger to pin mapping. The pins of these packages are arranged on an 15 x 15 pin grid at 0.1" centers. There are three full rows of pins around the outside. The following diagram depicts the bonding pad to pin connectivity as viewed from the top of the package (or the top of the socket into which the package is plugged), with the index at the upper right corner. (This view corresponds to the MOSIS layout that has pin #1 in the upper right hand corner and proceeds counterclockwise around the die.) The columns of the grid are labelled alphabetically and the rows numerically.


			     R   P   N   M   L   K   J   H   G   F   E   D   C   B   A
			   +------------------------------------------------------------+
			   |                                                            |
			 1 | 36  32  28  27  25  21  20  17  15  14  11  8   6   3  144 | 1
			   |                                                            |
			 2 | 39  35  31  29  26  23  22  16  12  10  7   4   2  143 140 | 2
			   |                                                            |
			 3 | 42  38  34  33  30  24  19  18  13  9   5   1  142 139 136 | 3
			   |                                                            |
			 4 | 44  40  37                                     141 137 135 | 4
			   |                                                            |
			 5 | 47  43  41                                     138 134 133 | 5
			   |                                                            |
			 6 | 50  46  45                                     132 131 129 | 6
			   |                                                            |
			 7 | 51  48  49                                     127 130 128 | 7
			   |                                                            |
			 8 | 53  52  54                                     126 124 125 | 8
			   |                                                            |
			 9 | 56  58  55                                     121 120 123 | 9
			   |                                                            |
			10 | 57  59  60                                     117 118 122 | 10
			   |                                                            |
			11 | 61  62  66                                     113 115 119 | 11
			   |                                                            |
			12 | 63  65  69                                     109 112 116 | 12
			   |                                                            |
			13 | 64  67  70  73  77  81  85  90  91  96 102 105 106 110 114 | 13
			   |                                                            |
			14 | 68  71  74  76  79  82  84  88  94  95  98 101 103 107 111 | 14
			   |                                                            |
			15 | 72  75  78  80  83  86  87  89  92  93  97  99 100 104 108 | 15
			   +------------------------------------------------------------+
			     R    P   N   M   L   K   J   H   G   F   E   D   C   B   A

			                     Pad to Pin Layout -- TOP View

			


CAUTION: the pad-to-pin layout varies for different 145 pin products, even those from a single vendor. For our purposes, equivalent parts have the same pin grid, the same pad to pin layout, and the same pad to cavity (substrate) connection. Be sure to use this diagram for MOSIS-supplied parts unless or until instructed otherwise.

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