XC2VP70 Xilinx, Inc., XC2VP70 Datasheet - Page 95

• Manufacturer Part Number: XC2VP70
• Description: Virtex-ii Pro Field Programmable Gate Array
• Manufacturer: Xilinx, Inc.

Virtex-II Pro Switching Characteristics
JTAG Test Access Port Switching Characteristics
Characterization data for some of the most commonly requested timing parameters shown in
Table 43: Boundary-Scan Port Timing Specifications
38
T
Symbol
T
T
TCKTDO
TAPTCK
TCKTAP
F
TCK
Data to be driven out
Data to be captured
Figure 10: Virtex-II Pro Boundary Scan Port Timing Waveforms
TMS and TDI setup time before TCK
TCK falling edge to TDO output valid
TMS
TDO
TCK
TMS and TDI hold times after TCK
TDI
Maximum TCK clock frequency
Parameter
www.xilinx.com
1-800-255-7778
T
TCKTDO
T
TAPTCK
T
TCKTAP
Data Valid
Data Valid
DS083-3 (v2.12) November 11, 2003
x139_05_020300
Value
11.0
33.0
Figure 10
5.5
2.0
Advance Product Specification
is listed in
MHz, max
ns, min
ns, min
ns, min
Units
Table
43.
R