1-198
Timing Derating Factor (Temperature and Voltage)
Timing Derating Factor for Designs at Typical Temperature (T
J
= 25°C)
and Voltage (5.0 V)
Temperature and Voltage Derating Factors
(normalized to Worst-Case Commercial, T
J
= 4.75 V, 70°C)
Note: This derating factor applies to all routing and propagation dealys.
Industrial Military
Min. Max. Min. Max.
(Commercial Minimum/Maximum Specification) x 0.66 1.07 0.63 1.17
(Commercial Maximum Specification) x 0.85
–55 –40 0 25 70 85 125
4.50
0.72 0.76 0.85 0.90 1.04 1.07 1.17
4.75
0.70 0.73 0.82 0.87 1.00 1.03 1.12
5.00
0.68 0.71 0.79 0.84 0.97 1.00 1.09
5.25
0.66 0.69 0.77 0.82 0.94 0.97 1.06
5.50
0.63 0.66 0.74 0.79 0.90 0.93 1.01
Junction Temperature and Voltage Derating Curves
(normalized to Worst-Case Commercial, T
J
= 4.75 V, 70°C)
Voltage (V)
Derating Factor
0.60
0.70
0.80
0.90
1.00
1.10
1.20
4.50 4.75 5.00 5.25 5.50