Xilinx Spartan-6 FPGA Series

Spartan-6 FPGA PCB Design and Pin Planning www.xilinx.com 69
UG393 (v1.1) April 29, 2010
Appendix A
Recommended PCB Design Rules
This appendix outlines the recommended design rules for all the available Spartan-6 FPGA
packages.
Recommended PCB Design Rules for QFP Packages
X-Ref Target - Figure A-1
Figure A-1: EIA Standard Board Layout of Soldered Pads for QFP Packages
Tabl e A - 1: PCB Land Pad Dimensions for Quad Flat Pack Packages
(1)
Dimension TQG144
M
ID
19.80
M
IE
19.80
e0.50
b
2
0.3–0.4
I
2
1.60
Notes:
1. Dimensions in millimeters.
ug393_aA_01_030210
M
M
ID
b
2
I
2
M
IE
e
e
e
e