Timing Model
EP2S90 Clock Timing Parameters
Tables 5–56 through 5–59 show the maximum clock timing parameters
for EP2S90 devices.
Table 5–56. EP2S90 Column Pins Regional Clock Timing Parameters
Minimum Timing
-3 Speed
-4 Speed
Grade
-5 Speed
Grade
Parameter
Unit
Grade
Industrial
1.768
Commercial
1.850
tCIN
3.033
2.791
0.125
-0.117
3.473
3.195
0.129
-0.149
4.040
3.716
0.144
-0.18
ns
ns
ns
ns
tCOUT
1.611
1.685
tPLLCIN
tPLLCOUT
-0.127
-0.284
-0.117
-0.282
Table 5–57. EP2S90 Column Pins Global Clock Timing Parameters
Minimum Timing
-3 Speed
-4 Speed
Grade
-5 Speed
Grade
Parameter
Unit
Grade
Industrial
1.783
Commercial
1.868
tCIN
3.058
2.816
0.115
-0.127
3.502
3.224
0.119
-0.159
4.070
3.746
0.134
-0.19
ns
ns
ns
ns
tCOUT
1.626
1.703
tPLLCIN
tPLLCOUT
-0.137
-0.294
-0.127
-0.292
Table 5–58. EP2S90 Row Pins Regional Clock Timing Parameters
Minimum Timing
-3 Speed
-4 Speed
Grade
-5 Speed
Grade
Parameter
Unit
Grade
Industrial
1.566
Commercial
1.638
tCIN
2.731
2.727
-0.178
-0.182
3.124
3.120
-0.218
-0.222
3.632
3.627
-0.264
-0.269
ns
ns
ns
ns
tCOUT
1.571
1.643
tPLLCIN
tPLLCOUT
-0.326
-0.321
-0.326
-0.321
5–46
Altera Corporation
April 2011
Stratix II Device Handbook, Volume 1
ALTERA [ ALTERA CORPORATION ]
