Virtex-5 FPGA Data Sheet: DC and Switching Characteristics
DS202 (v5.3) May 5, 2010
Product Specification
63
Table 85: Global Clock Input to Output Delay With DCM in System-Synchronous Mode
Symbol
Description
Device
Speed Grade
Units
-3
-2
-1
LVCMOS25 Global Clock Input to Output Delay using Output Flip-Flop, 12mA, Fast Slew Rate, with DCM
in System-Synchronous Mode
TICKOFDCM
Global Clock and OUTFF with DCM
XC5VLX20T
N/A
2.53
2.93
ns
XC5VLX30
2.33
2.56
2.93
ns
XC5VLX30T
2.33
2.56
2.93
ns
XC5VLX50
2.35
2.58
2.95
ns
XC5VLX50T
2.35
2.58
2.95
ns
XC5VLX85
2.41
2.63
3.00
ns
XC5VLX85T
2.41
2.63
3.00
ns
XC5VLX110
2.46
2.69
3.06
ns
XC5VLX110T
2.46
2.69
3.06
ns
XC5VLX155
2.51
2.74
3.10
ns
XC5VLX155T
2.51
2.74
3.10
ns
XC5VLX220
N/A
2.83
3.18
ns
XC5VLX220T
N/A
2.83
3.18
ns
XC5VLX330
N/A
3.00
3.37
ns
XC5VLX330T
N/A
3.00
3.37
ns
XC5VSX35T
2.44
2.67
3.03
ns
XC5VSX50T
2.46
2.69
3.05
ns
XC5VSX95T
N/A
2.64
3.00
ns
XC5VSX240T
N/A
3.00
3.36
ns
XC5VTX150T
N/A
2.77
3.15
ns
XC5VTX240T
N/A
2.78
3.15
ns
XC5VFX30T
2.55
2.82
3.20
ns
XC5VFX70T
2.48
2.74
3.12
ns
XC5VFX100T
2.33
2.59
3.00
ns
XC5VFX130T
2.40
2.67
3.07
ns
XC5VFX200T
N/A
2.87
3.27
ns
Notes:
1.
Listed above are representative values where one global clock input drives one vertical clock line in each accessible column, and where all
accessible IOB and CLB flip-flops are clocked by the global clock net.
2.
DCM output jitter is already included in the timing calculation.