Timing Model
EP2S15 Clock Timing Parameters
Tables 5–44 though 5–47 show the maximum clock timing parameters for
EP2S15 devices.
Table 5–44. EP2S15 Column Pins Regional Clock Timing Parameters
Minimum Timing
-3 Speed
-4 Speed
Grade
-5 Speed
Grade
Parameter
Unit
Grade
Industrial
1.445
Commercial
1.512
tCIN
2.487
2.245
0.336
0.094
2.848
2.570
0.373
0.095
3.309
2.985
0.424
0.1
ns
ns
ns
ns
tCOUT
1.288
1.347
tPLLCIN
tPLLCOUT
0.104
0.102
-0.053
-0.063
Table 5–45. EP2S15 Column Pins Global Clock Timing Parameters
Minimum Timing
-3 Speed
-4 Speed
Grade
-5 Speed
Grade
Parameter
Unit
Grade
Industrial
1.419
Commercial
1.487
tCIN
2.456
2.214
0.326
0.084
2.813
3.273
ns
ns
ns
ns
tCOUT
1.262
1.322
2.535
0.363
0.085
2.949
0.414
0.09
tPLLCIN
tPLLCOUT
0.094
0.092
-0.063
-0.073
Table 5–46. EP2S15 Row Pins Regional Clock Timing Parameters
Minimum Timing
-3 Speed
-4 Speed
Grade
-5 Speed
Grade
Parameter
Unit
Grade
Industrial
1.232
Commercial
1.288
tCIN
2.144
2.140
-0.007
-0.011
2.454
2.450
-0.021
-0.025
2.848
2.843
-0.037
-0.042
ns
ns
ns
ns
tCOUT
1.237
1.293
tPLLCIN
tPLLCOUT
-0.109
-0.104
-0.122
-0.117
5–42
Altera Corporation
April 2011
Stratix II Device Handbook, Volume 1
ALTERA [ ALTERA CORPORATION ]
