ep1s25 Altera Corporation, ep1s25 Datasheet - Page 91

• Manufacturer Part Number: ep1s25
• Description: Stratix Device Family Data Sheet
• Manufacturer: Altera Corporation

Altera Corporation
July 2005
Figure 2–44. EP1S25, EP1S20 & EP1S10 Device Fast Clock Pin Connections to
Fast Regional Clocks
Notes to
(1)
(2)
This is a set of two multiplexers.
In addition to the FCLK pin inputs, there is also an input from the I/O interconnect.
Figure
2–44:
FCLK[1..0]
FCLK[1..0]
(1), (2)
(1), (2)
FCLK[3..2]
FCLK[1..0]
2
2
2
2
Stratix Device Handbook, Volume 1
(1), (2)
(1), (2)
FCLK[5..4]
FCLK[7..6]
FCLK[1..0]
FCLK[1..0]
2
2
2
2
Stratix Architecture
2–77