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FIGURE.5
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1989-10-08
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3KB
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103 lines
Group Length Members
----- ------ -------
A 0 mils +-----+
| |
| *** |
| * * | (a round circle)
| *** |
| |
+-----+
B 12 mils +-----+ +-----+ +-----+ +-----+
| * | | | | | | |
| *** | | *** | | *** | | *** |
| * * | | * **| | * * | |** * |
| *** | | *** | | *** | | *** |
| | | | | * | | |
+-----+ +-----+ +-----+ +-----+
C 23 mils +-----+ +-----+ +-----+ +-----+
| *| | | | | |* |
| *** | | *** | | *** | | *** |
| * * | | * * | | * * | | * * |
| *** | | *** | | *** | | *** |
| | | *| |* | | |
+-----+ +-----+ +-----+ +-----+
D 50 mils +-----+ +-----+
| | | * |
| | | * |
|*****| | * |
| | | * |
| | | * |
+-----+ +-----+
E 71 mils +-----+ +-----+
| *| |* |
| * | | * |
| * | | * |
| * | | * |
|* | | *|
+-----+ +-----+
F 35 mils +-----+ +-----+ +-----+ +-----+
| * | | | | | | * |
| * | | | | | | * |
| *| | *| |* | |* |
| | | * | | * | | |
| | | * | | * | | |
+-----+ +-----+ +-----+ +-----+
G 60 mils +-----+ +-----+ +-----+ +-----+
| * | | * | | *| |* |
| * | | * | | * | | * |
| * | | * | | * | | * |
| * | | * | | * | | * |
| *| |* | | * | | * |
+-----+ +-----+ +-----+ +-----+
+-----+ +-----+ +-----+ +-----+
| *| | | |* | | |
| * | | | | * | | |
|*** | |*** | | ***| | ***|
| | | * | | | | * |
| | | *| | | |* |
+-----+ +-----+ +-----+ +-----+
H 71 mils +-----+ +-----+ +-----+ +-----+
| *| | | |* | |* *|
| * | | | | * | | * * |
| * | | * | | * | | * |
| * | | * * | | * | | |
| *| |* *| |* | | |
+-----+ +-----+ +-----+ +-----+
I 60 mils +-----+ +-----+ +-----+ +-----+
| * *| |* * | | | | |
| ** | | ** | | | | |
| * | | * | | * | | * |
| | | | | ** | | ** |
| | | | |* * | | * *|
+-----+ +-----+ +-----+ +-----+
+-----+ +-----+ +-----+ +-----+
|* | | | | *| | |
| * | | | | * | | |
|*** | |*** | | ***| | ***|
| | | * | | | | * |
| | |* | | | | *|
+-----+ +-----+ +-----+ +-----+
J ------- +-----+ +-----+
| * | | * |
| * | | * |
|* *| |* *|
| * | | * |
| * | | * |
+-----+ +-----+
Figure 5. The cell type groups, and their trace lengths in a 50 mil
cell. The group J cells are created by combining the parallel
group F cells.