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A54SX16A-TQ100 Datasheet, PDF (67/108 Pages) Actel Corporation – SX-A Family FPGAs | |||
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SX-A Family FPGAs
Table 2-37 ⢠A54SX72A Timing Characteristics (Continued)
(Worst-Case Commercial Conditions VCCA = 2.25 V, VCCI = 3.0 V, TJ = 70°C)
â3 Speed* â2 Speed â1 Speed
Std. Speed
âF Speed
Parameter
Description
Min. Max. Min. Max. Min. Max. Min. Max. Min. Max. Units
tQCKH
Input Low to High (100% Load)
(Pad to R-cell Input)
1.7
1.9
2.2
2.5
3.5 ns
tQCHKL
Input High to Low (100% Load)
(Pad to R-cell Input)
1.7
2
2.2
2.6
3.6 ns
tQPWH
Minimum Pulse Width High
1.5
1.7
2.0
2.3
3.2
ns
tQPWL
Minimum Pulse Width Low
1.5
1.7
2.0
2.3
3.2
ns
tQCKSW
Maximum Skew (Light Load)
0.2
0.3
0.3
0.3
0.5 ns
tQCKSW
Maximum Skew (50% Load)
0.4
0.5
0.5
0.6
0.9 ns
tQCKSW
Maximum Skew (100% Load)
0.4
0.5
0.5
0.6
0.9 ns
Note: *All â3 speed grades have been discontinued.
v5.3
2-47
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