EP2SGX90EF1152C3 Altera, EP2SGX90EF1152C3 Datasheet - Page 120

• Manufacturer Part Number: EP2SGX90EF1152C3
• Description: Stratix II GX
• Manufacturer: Altera

I/O Structure
Figure 2–76. Stratix II GX IOE Structure
2–112
Stratix II GX Device Handbook, Volume 1
Logic Array
Output B
Output A
Input B
Input A
OE
Output Register
Output Register
The IOEs are located in I/O blocks around the periphery of the
Stratix II GX device. There are up to four IOEs per row I/O block and four
IOEs per column I/O block. The row I/O blocks drive row, column, or
direct link interconnects. The column I/O blocks drive column
interconnects.
D
D
Q
Q
CLK
OE Register
OE Register
D
D
Q
Q
Input Register
Input Register
D
D
Q
Q
Input Latch
D
ENA
Altera Corporation
Q
October 2007