Timing Specifications
Table 5–30. EP2C35 Row Pins Global Clock Timing Parameters
Fast Corner
–6 Speed
–7 Speed
Grade
–8 Speed
Grade
Parameter
Unit
Grade
Industrial
1.410
Commercial
1.476
tCIN
2.514
2.530
0.134
0.15
2.724
2.737
0.162
0.175
2.986
2.994
0.241
0.249
ns
ns
ns
ns
tCOUT
1.412
1.478
tPLLCIN
tPLLCOUT
–0.117
–0.115
–0.127
–0.125
EP2C50 Clock Timing Parameters
Tables 5–31 and 5–32 show the clock timing parameters for EP2C50
devices.
Table 5–31. EP2C50 Column Pins Global Clock Timing Parameters
Fast Corner
–6 Speed
–7 Speed
Grade
–8 Speed
Grade
Parameter
Unit
Grade
Industrial
1.575
Commercial
1.651
tCIN
2.759
2.793
0.113
0.147
2.940
2.972
0.075
0.107
3.174
3.203
0.089
0.118
ns
ns
ns
ns
tCOUT
1.589
1.666
tPLLCIN
tPLLCOUT
–0.149
–0.135
–0.158
–0.143
Table 5–32. EP2C50 Row Pins Global Clock Timing Parameters
Fast Corner
–6 Speed
–7 Speed
Grade
–8 Speed
Grade
Parameter
Unit
Grade
Industrial
1.463
Commercial
1.533
tCIN
2.624
2.640
2.791
2.804
3.010
3.018
ns
ns
ns
ns
tCOUT
1.465
1.535
tPLLCIN
tPLLCOUT
–0.261
–0.259
–0.276
–0.274
–0.022
–0.006
–0.074
–0.061
–0.075
–0.067
5–28
Altera Corporation
February 2008
Cyclone II Device Handbook, Volume 1
ALTERA [ ALTERA CORPORATION ]
