xc4020e-xl Xilinx Corp., xc4020e-xl Datasheet - Page 29

• Manufacturer Part Number: xc4020e-xl
• Description: Xc4000e And Xc4000x Series Field Programmable Gate Arrays
• Manufacturer: Xilinx Corp.

May 14, 1999 (Version 1.6)
Figure 32: XC4000X Octal I/O Routing
Figure 31: High-Level Routing Diagram of XC4000 Series VersaRing (Left Edge)
WED = Wide Edge Decoder, IOB = I/O Block (shaded arrows indicate XC4000X only)
IOB
R
Connect
Direct
IOB
IOB
IOB
WED
WED
WED
XC4000E and XC4000X Series Field Programmable Gate Arrays
Decode
INTERCONNECT
Edge
Double Long Global
Clock
Segment with nearest buffer
connects to segment with furthest buffer
Octal
IOB
X5995
Quad
Single
Double
Long
Direct
Connect
Long
IOB
X9015
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