
Altera Corporation
107
APEX 20K Programmable Logic Device Family Data Sheet
Table 103. EP20K1000E fMAX Routing Delays
Symbol
-1 Speed Grade
-2 Speed Grade
-3 Speed Grade
Unit
Min
Max
Min
Max
Min
Max
tF1-4
0.21
0.23
0.46
ns
tF5-20
1.19
1.26
1.34
ns
tF20+
4.39
4.62
4.95
ns
Table 104. EP20K1000E Minimum Pulse Width Timing Parameters
Symbol
-1 Speed Grade
-2 Speed Grade
-3 Speed Grade
Unit
Min
Max
Min
Max
Min
Max
tCH
2.00
2.50
2.75
ns
tCL
2.00
2.50
2.75
ns
tCLRP
0.17
0.22
0.29
ns
tPREP
0.17
0.22
0.29
ns
tESBCH
2.00
2.50
2.75
ns
tESBCL
2.00
2.50
2.75
ns
tESBWP
1.12
1.42
1.86
ns
tESBRP
0.96
1.22
1.60
ns
Table 105. EP20K1000E External Timing Parameters
Symbol
-1 Speed Grade
-2 Speed Grade
-3 Speed Grade
Unit
Min
Max
Min
Max
Min
Max
tINSU
2.23
2.40
2.55
ns
tINH
0.00
ns
tOUTCO
2.00
5.18
2.00
5.75
2.00
6.25
ns
tINSUPLL
1.66
1.75
-
ns
tINHPLL
0.00
-
ns
tOUTCOPLL
0.50
1.86
0.50
2.03
-
ns