To
To From
n-2 n-1
n-1
*
To Macrocell
n
n
n
Product Term
Cluster
*
To
n+1
From From
n+1 n+2
14051K-003
Logic
Allocator
*MACH 2 only
Figure 2. Product Term Clusters and the Logic Allocator
Table 5. Logic Allocation for MACH111(SP)
Output Macrocell
Available Clusters
C , C
Output Macrocell
Available Clusters
C C
M
M
8
0
0
1
8, 9
M
C , C , C
M
C C C
8, 9, 10
1
0
1
2
9
M
C , C , C
M
C C C
9, 10, 11
2
1
2
3
10
M
C , C , C
M
C C C
10, 11, 12
3
2
3
4
11
M
C , C , C
M
C C C
11, 12, 13
4
3
4
5
12
M
C , C , C
M
C C C
12, 13, 14
5
4
5
6
13
M
C , C , C
M
C C C
13, 14, 15
6
5
6
7
14
M
C , C
M
C C
14, 15
7
6
7
15
Table 6. Logic Allocation for MACH131(SP)
Output Macrocell
Available Clusters
C , C
Output Macrocell
Available Clusters
M
M
C , C , C
7 8 9
0
0
1
8
M
C , C , C
M
C , C , C
8 9 10
1
0
1
2
9
M
C , C , C
M
C , C , C
9 10 11
2
1
2
3
10
M
C , C , C
M
C , C , C
10 11 12
3
2
3
4
11
M
C , C , C
M
C , C , C
11 12 13
4
3
4
5
12
M
C , C , C
M
C , C , C
12 13 14
5
4
5
6
13
M
C , C , C
M
C , C , C
13 14 15
6
5
6
7
14
M
C , C , C
M
C , C
14 15
7
6
7
8
15
6
MACH 1 & 2 Families
LATTICE [ LATTICE SEMICONDUCTOR ]
