EP3SE50F780I3N Altera, EP3SE50F780I3N Datasheet - Page 344

• Manufacturer Part Number: EP3SE50F780I3N
• Description: Stratix III
• Manufacturer: Altera

Differential Pin Placement Guidelines
9–28
Stratix III Device Handbook, Volume 1
Figure 9–22. Invalid Placement of DPA-Enabled Differential I/Os Driven by
Both Center Left/Right PLLs
Center Left /Right
Center Left /Right
DPA-enabled
DPA-enabled
DPA-enabled
DPA-enabled
DPA-enabled
DPA-enabled
DPA-enabled
DPA-enabled
Reference
Reference
CLK
CLK
Diff I/O
Diff I/O
Diff I/O
Diff I/O
Diff I/O
Diff I/O
Diff I/O
Diff I/O
PLL
PLL
Altera Corporation
November 2007