APEX 20K Programmable Logic Device Family Data Sheet
Table 50. EP20K200 External Bidirectional Timing Parameters
Symbol
-1 Speed Grade
-2 Speed Grade
-3 Speed Grade
Min Max
Unit
Min
Max
Min
Max
t
t
t
t
t
t
t
t
t
t
(1)
1.9
0.0
2.0
2.3
0.0
2.0
2.6
0.0
2.0
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
INSUBIDIR
(1)
INHBIDIR
OUTCOBIDIR
(1)
4.6
5.0
5.0
5.6
5.9
5.9
6.8
6.9
6.9
(1)
(1)
XZBIDIR
ZXBIDIR
(2)
1.1
0.0
0.5
1.2
0.0
0.5
–
–
–
INSUBIDIR
(2)
INHBIDIR
(2)
2.7
4.3
4.3
3.1
5.0
5.0
–
–
–
OUTCOBIDIR
(2)
(2)
XZBIDIR
ZXBIDIR
Table 51. EP20K400 External Timing Parameters
Symbol
-1 Speed Grade
-2 Speed Grade
Min Max
-3 Speed Grade
Unit
Min
Max
Min
Max
t
t
t
t
t
t
(1)
1.4
0.0
2.0
0.4
0.0
0.5
1.8
0.0
2.0
1.0
0.0
0.5
2.0
0.0
2.0
–
ns
ns
ns
ns
ns
ns
INSU
(1)
INH
OUTCO
(1)
4.9
3.1
6.1
4.1
7.0
(2)
INSU
(2)
–
INH
(2)
–
–
OUTCO
84
Altera Corporation
ETC [ ETC ]
