APEX 20K Programmable Logic Device Family Data Sheet
Table 94. EP20K400E External Bidirectional Timing Parameters
Symbol -1 Speed Grade -2 Speed Grade
-3 Speed Grade
Unit
Min
Max
Min
Max
Min
Max
t
t
t
t
t
t
t
t
t
t
2.93
0.00
2.00
3.23
0.00
2.00
3.44
0.00
2.00
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
INSUBIDIR
INHBIDIR
5.25
5.95
5.95
5.79
6.77
6.77
6.32
7.12
7.12
OUTCOBIDIR
XZBIDIR
ZXBIDIR
4.31
0.00
0.50
4.76
0.00
0.50
-
-
-
INSUBIDIRPLL
INHBIDIRPLL
OUTCOBIDIRPLL
XZBIDIRPLL
ZXBIDIRPLL
2.25
2.94
2.94
2.45
3.43
3.43
-
-
-
Tables 96 through 100 describe fMAX LE Timing Microparameters, fMAX
ESB Timing Microparameters, fMAX Routing Delays, Minimum Pulse
Width Timing Parameters, External Timing Parameters, and External
Bidirectional Timing Parameters for EP20K600E APEX 20KE devices.
Table 95. EP20K600E fMAX LE Timing Microparameters
Symbol -1 Speed Grade -2 Speed Grade
-3 Speed Grade
Unit
Min
Max
Min
Max
Min
Max
t
t
t
t
0.16
0.29
0.16
0.33
0.17
0.37
ns
ns
ns
ns
SU
H
0.65
0.70
0.38
1.00
0.49
1.30
CO
LUT
Altera Corporation
103
ETC [ ETC ]
