XC4VFX20 XILINX [Xilinx, Inc], XC4VFX20 Datasheet - Page 49

• Manufacturer Part Number: XC4VFX20
• Description: DC and Switching Characteristics
• Manufacturer: XILINX [Xilinx, Inc]

Table 60: Package Skew
DS302 (v3.2) April 10, 2008
Product Specification
Notes:
1.
2.
T
PKGSKEW
These values represent the worst-case skew between any two balls of the package: shortest flight time to longest flight time from Pad to Ball
(7.1 ps per mm).
Package trace length information is available for these device/package combinations. This information can be used to deskew the package.
Symbol
R
Package Skew
Description
(1)
www.xilinx.com
Virtex-4 FPGA Data Sheet: DC and Switching Characteristics
XC4VFX100
XC4VFX140
XC4VLX100
XC4VLX160
XC4VLX200
XC4VSX25
XC4VSX35
XC4VSX55
XC4VFX12
XC4VFX20
XC4VFX40
XC4VFX60
XC4VLX15
XC4VLX25
XC4VLX40
XC4VLX60
XC4VLX80
Device
Package
FF1148
FF1148
FF1148
FF1148
FF1513
FF1148
FF1513
FF1513
FF1148
FF1152
FF1152
FF1152
FF1517
FF1517
SF363
SF363
SF363
FF668
FF668
FF668
FF668
FF668
FF668
FF668
FF672
FF672
FF672
Value
120
110
110
150
130
140
155
140
180
145
180
180
100
145
100
110
120
150
110
170
150
170
150
80
90
90
90
Units
ps
ps
ps
ps
ps
ps
ps
ps
ps
ps
ps
ps
ps
ps
ps
ps
ps
ps
ps
ps
ps
ps
ps
ps
ps
ps
ps
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