epf81188ari240-4h Altera Corporation, epf81188ari240-4h Datasheet - Page 6
epf81188ari240-4h
Manufacturer Part Number
epf81188ari240-4h
Description
Programmable Logic Device Family
Manufacturer
Altera Corporation
Datasheet
1.EPF81188ARI240-4H.pdf
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FLEX 8000 Programmable Logic Device Family Data Sheet
Figure 2. FLEX 8000 Logic Array Block
6
LAB Local
Interconnect
(32 channels)
LAB Control
Signals
24
Logic Array Block
A logic array block (LAB) consists of eight LEs, their associated carry and
cascade chains, LAB control signals, and the LAB local interconnect. The
LAB provides the coarse-grained structure of the FLEX 8000 architecture.
This structure enables FLEX 8000 devices to provide efficient routing,
high device utilization, and high performance.
diagram of the FLEX 8000 LAB.
4
4
4
4
4
4
4
4
4
8
Dedicated
Inputs
4
4
Carry-In and
Cascade-In
from LAB
on Left
LE1
LE2
LE3
LE4
LE5
LE6
LE7
LE8
Row Interconnect
2
2
Carry-Out and
Cascade-Out
to LAB on Right
8
8
16
Figure 2
Column-to-Row
Interconnect
Column
Interconnect
See Figure 8
for details.
Altera Corporation
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