ex256-ptq64pp Actel Corporation, ex256-ptq64pp Datasheet - Page 6

• Manufacturer Part Number: ex256-ptq64pp
• Description: Ex Family Fpgas
• Manufacturer: Actel Corporation

Module Organization
C-cell and R-cell logic modules are arranged into horizontal banks called Clusters, each of which contains two C-cells
and one R-cell in a C-R-C configuration.
Clusters are further organized into modules called SuperClusters for improved design efficiency and device
performance, as shown in
Figure 1-2 • C-Cell
Figure 1-3 • Cluster Organization
1 -2
eX Family FPGAs
DirectConnect
Internal Logic
CLKA,
CLKB,
HCLK
Input
Figure
S0
CKS
Data Input
DB
D3
D0
D1
Routed
D2
1-3. Each SuperCluster is a two-wide grouping of Clusters.
R-Cell
CKP
S1
D
PSET
CLR
Cluster
Q
SuperCluster
Y
v4.3
A0 B0
Sa
D0
D1
D2
D3
DB
Cluster
A1 B1
Sb
A0
C-Cell
B0
Sa
Y
A1
B1
Sb
Y