
5–46
Altera Corporation
Stratix II Device Handbook, Volume 1
April 2011
Timing Model
EP2S90 Clock Timing Parameters
for EP2S90 devices.
Table 5–56. EP2S90 Column Pins Regional Clock Timing Parameters
Parameter
Minimum Timing
-3 Speed
Grade
-4 Speed
Grade
-5 Speed
Grade
Unit
Industrial
Commercial
tCIN
1.768
1.850
3.033
3.473
4.040
ns
tCOUT
1.611
1.685
2.791
3.195
3.716
ns
tPL LCIN
-0.127
-0.117
0.125
0.129
0.144
ns
tPL LCOUT
-0.284
-0.282
-0.117
-0.149
-0.18
ns
Table 5–57. EP2S90 Column Pins Global Clock Timing Parameters
Parameter
Minimum Timing
-3 Speed
Grade
-4 Speed
Grade
-5 Speed
Grade
Unit
Industrial
Commercial
tCIN
1.783
1.868
3.058
3.502
4.070
ns
tCOUT
1.626
1.703
2.816
3.224
3.746
ns
tPL LCIN
-0.137
-0.127
0.115
0.119
0.134
ns
tPL LCOUT
-0.294
-0.292
-0.127
-0.159
-0.19
ns
Table 5–58. EP2S90 Row Pins Regional Clock Timing Parameters
Parameter
Minimum Timing
-3 Speed
Grade
-4 Speed
Grade
-5 Speed
Grade
Unit
Industrial
Commercial
tCIN
1.566
1.638
2.731
3.124
3.632
ns
tCOUT
1.571
1.643
2.727
3.120
3.627
ns
tPL LCIN
-0.326
-0.178
-0.218
-0.264
ns
tPL LCOUT
-0.321
-0.182
-0.222
-0.269
ns