a1440a Actel Corporation, a1440a Datasheet - Page 24

• Manufacturer Part Number: a1440a
• Description: Accelerator Series Fpgas
• Manufacturer: Actel Corporation

Tim ing D erating Fact or (T em per at u r e a n d Vol tage)
Tim ing D erating Fact or for D esi g n s a t T y p ical T emper atur e (T
a n d Vo ltage (5. 0 V)
T em p erature and V ol t ag e D er at i ng F a c t o rs
(n ormalize d to Wor st - C ase C om m e r c ia l , T
Note:
1-198
(Commercial Minimum/Maximum Specification) x
(Commercial Maximum Specification) x
1.20
1.10
1.00
0.90
0.80
0.70
0.60
4.50
4.75
5.00
5.25
5.50
This derating factor applies to all routing and propagation dealys.
4.50
Junction Temperature and Voltage Derating Curves
0.72
0.70
0.68
0.66
0.63
–55
(normalized to Worst-Case Commercial, T
0.76
0.73
0.71
0.69
0.66
–40
4.75
0.85
0.82
0.79
0.77
0.74
0
Min.
0.66
Voltage (V)
Industrial
5.00
J
0.90
0.87
0.84
0.82
0.79
25
= 4.75 V, 70 C)
Max.
1.07
J
= 4.75 V, 70 C)
0.85
1.04
1.00
0.97
0.94
0.90
70
5.25
Min.
0.63
1.07
1.03
1.00
0.97
0.93
J
85
= 25 C)
Military
5.50
Max.
1.17
1.17
1.12
1.09
1.06
1.01
125