AX500-1BG896 ACTEL [Actel Corporation], AX500-1BG896 Datasheet - Page 60

• Manufacturer Part Number: AX500-1BG896
• Description: Axcelerator Family FPGAs
• Manufacturer: ACTEL [Actel Corporation]

Note: The carry-chain sequence can end on either C-cell.
Figure 2-30 • Carry-Chain Sequencing of C-cells
Timing Characteristics
Refer to the
2 -4 6
Axcelerator Family FPGAs
Table 2-61 on page 2-44
Clusters
n-2
for more information on carry-chain timing.
C-cell1
(2n-1)
C-cell
FCI
FCI
FCI
FCI
v2.7
3
1
5
(2n-1)
C-cell2n
DCOUT
DCOUT
DCOUT
C-cell2
FCO
FCO
FCO
2
4
2n
R-celln
R-cell1
DCIN
DCIN
CDIN