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EP2C8T144I8N Datasheet(PDF) 64 Page - Altera Corporation

Part No. EP2C8T144I8N
Description  Cyclone II Device Handbook, Volume 1
Download  470 Pages
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Manufacturer  ALTERA [Altera Corporation]
Direct Link  http://www.altera.com
Logo ALTERA - Altera Corporation

EP2C8T144I8N Datasheet(HTML) 64 Page - Altera Corporation

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Altera Corporation
Cyclone II Device Handbook, Volume 1
February 2007
I/O Structure & Features
Figure 2–20. Cyclone II IOE Structure
Note to Figure 2–20:
(1)
There are two paths available for combinational or registered inputs to the logic
array. Each path contains a unique programmable delay chain.
The IOEs are located in I/O blocks around the periphery of the Cyclone II
device. There are up to five IOEs per row I/O block and up to four IOEs
per column I/O block (column I/O blocks span two columns). The row
I/O blocks drive row, column (only C4 interconnects), or direct link
interconnects. The column I/O blocks drive column interconnects.
Figure 2–21 shows how a row I/O block connects to the logic array.
Figure 2–22 shows how a column I/O block connects to the logic array.
Output Register
Output
Input (1)
OE Register
OE
Input Register
Logic Array


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