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Altera Corporation
APEX 20K Programmable Logic Device Family Data Sheet
Table 43. EP20K100 External Timing Parameters
Symbol
-1 Speed Grade
-2 Speed Grade
-3 Speed Grade
Unit
Min
Max
Min
Max
Min
Max
2.3
2.8
3.2
ns
0.0
ns
2.0
4.5
2.0
4.9
2.0
6.6
ns
1.1
1.2
–
ns
0.0
–
ns
0.5
2.7
0.5
3.1
–
4.8
ns
Table 44. EP20K100 External Bidirectional Timing Parameters
Symbol
-1 Speed Grade
-2 Speed Grade
-3 Speed Grade
Unit
Min
Max
Min
Max
Min
Max
2.3
2.8
3.2
ns
0.0
ns
tOUTC OBIDIR
2.0
4.5
2.0
4.9
2.0
6.6
ns
5.0
5.9
6.9
ns
5.0
5.9
6.9
ns
1.0
1.2
–
ns
0.0
–
ns
tOUTC OBIDIR
0.5
2.7
0.5
3.1
–
ns
4.3
5.0
–
ns
4.3
5.0
–
ns
Table 45. EP20K200 External Timing Parameters
Symbol
-1 Speed Grade
-2 Speed Grade
-3 Speed Grade
Unit
Min
Max
Min
Max
Min
Max
1.9
2.3
2.6
ns
0.0
ns
2.0
4.6
2.0
5.6
2.0
6.8
ns
1.1
1.2
–
ns
0.0
–
ns
0.52.7
0.53.1
–
ns