
110
Altera Corporation
APEX 20K Programmable Logic Device Family Data Sheet
Table 110. EP20K1500E Minimum Pulse Width Timing Parameters
Symbol
-1 Speed Grade
-2 Speed Grade
-3 Speed Grade
Unit
Min
Max
Min
Max
Min
Max
tCH
1.56
2.63
2.67
ns
tCL
1.56
2.63
2.67
ns
tCLRP
0.21
ns
tPREP
0.21
ns
tESBCH
1.56
2.63
2.67
ns
tESBCL
1.56
2.63
2.67
ns
tESBWP
1.35
1.60
1.77
ns
tESBRP
1.09
1.26
1.42
ns
Table 111. EP20K1500E External Timing Parameters
Symbol
-1 Speed Grade
-2 Speed Grade
-3 Speed Grade
Unit
Min
Max
Min
Max
Min
Max
tINSU
2.78
2.92
3.06
ns
tINH
0.00
ns
tOUTCO
2.00
5.99
2.00
6.67
2.00
7.22
ns
tINSUPLL
2.46
2.44
-
ns
tINHPLL
0.00
-
ns
tOUTCOPLL
0.50
2.46
0.50
2.80
-
ns