APEX 20K Programmable Logic Device Family Data Sheet
Tables 89 through 94 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 EP20K400E APEX 20KE devices.
Table 89. EP20K400E 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
0.23
0.23
0.23
0.23
0.23
0.23
ns
ns
ns
ns
SU
H
0.25
0.70
0.29
0.83
0.32
1.01
CO
LUT
Table 90. EP20K400E fMAX ESBTiming Microparameters
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
t
t
t
t
t
t
t
t
t
t
1.67
2.30
3.09
3.01
1.91
2.66
3.58
3.65
1.99
2.93
3.99
4.05
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ESBARC
ESBSRC
ESBAWC
ESBSWC
0.54
0.36
0.69
0.36
1.61
0.00
1.35
-0.18
-0.02
0.06
0.63
0.43
0.77
0.43
1.77
0.00
1.47
-0.30
-0.11
-0.01
0.65
0.42
0.84
0.42
1.86
0.01
1.61
-0.27
-0.03
-0.05
ESBWASU
ESBWAH
ESBWDSU
ESBWDH
ESBRASU
ESBRAH
ESBWESU
ESBDATASU
ESBWADDRSU
ESBRADDRSU
ESBDATACO1
ESBDATACO2
ESBDD
1.16
2.18
2.73
1.57
1.40
2.55
3.17
1.83
1.54
2.85
3.58
2.07
PD
0.92
0.99
1.18
PTERMSU
PTERMCO
1.18
1.43
1.17
Altera Corporation
101
ETC [ ETC ]
