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EP2C8T144I8N Datasheet(PDF) 66 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) 66 Page - Altera Corporation

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Altera Corporation
Cyclone II Device Handbook, Volume 1
February 2007
I/O Structure & Features
Figure 2–22. Column I/O Block Connection to the Interconnect
Notes to Figure 2–22:
(1)
The 28 data and control signals consist of four data out lines, io_dataout[3..0], four output enables,
io_coe[3..0]
, four input clock enables, io_cce_in[3..0], four output clock enables, io_cce_out[3..0],
four clocks, io_cclk[3..0], four asynchronous clear signals, io_caclr[3..0], and four synchronous clear
signals, io_csclr[3..0].
(2)
Each of the four IOEs in the column I/O block can have two io_datain (combinational or registered) inputs.
28 Data &
Control Signals
from Logic Array (1)
Column I/O
Block Contains
up to Four IOEs
I/O Block
Local Interconnect
io_datain0[3..0]
io_datain1[3..0] (2)
R4 & R24 Interconnects
LAB Local
Interconnect
C4 & C24 Interconnects
28
LAB
LAB
LAB
io_clk[5..0]
Column I/O Block


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