EP3C16F256I7N Altera, EP3C16F256I7N Datasheet - Page 38
EP3C16F256I7N
Manufacturer Part Number
EP3C16F256I7N
Description
Cyclone III
Manufacturer
Altera
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Logic Elements and Logic Array Blocks in Cyclone III Devices
Logic Array
Blocks
Figure 2–6. Cyclone III LAB Structure
2–8
Cyclone III Device Handbook, Volume 1
Direct link
interconnect
from adjacent
block
Direct link
interconnect
to adjacent
block
Topology
Each LAB consists of the following:
■
■
■
■
■
The local interconnect transfers signals between LEs in the same LAB.
Register chain connections transfer the output of one LE register to the
adjacent LE register within a LAB. The Quartus II Compiler places
associated logic within a LAB or adjacent LABs, allowing the use of local,
and register chain connections for performance and area efficiency.
Figure 2–6
16 LEs
LAB control signals
LE carry chains
Register chains
Local interconnect
LAB
shows the Cyclone III LAB.
Local Interconnect
Row Interconnect
Altera Corporation-Preliminary
March 2007
Direct link
interconnect
from adjacent
block
Direct link
interconnect
to adjacent
block
Column
Interconnect
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