Altera Corporation
101
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
tSU
0.23
ns
tH
0.23
ns
tCO
0.25
0.29
0.32
ns
tLUT
0.70
0.83
1.01
ns
Table 90. EP20K400E fMAX ESBTiming Microparameters
Symbol
-1 Speed Grade
-2 Speed Grade
-3 Speed Grade
Unit
Min
Max
Min
Max
Min
Max
tESBARC
1.67
1.91
1.99
ns
tESBSRC
2.30
2.66
2.93
ns
tESBAWC
3.09
3.58
3.99
ns
tESBSWC
3.01
3.65
4.05
ns
tESBWASU
0.54
0.63
0.65
ns
tESBWAH
0.36
0.43
0.42
ns
tESBWDSU
0.69
0.77
0.84
ns
tESBWDH
0.43
0.42
ns
tESBRASU
1.61
1.77
1.86
ns
tESBRAH
0.00
0.01
ns
tESBWESU
1.35
1.47
1.61
ns
tESBDATASU
-0.18
-0.30
-0.27
ns
tESBWADDRSU
-0.02
-0.11
-0.03
ns
tESBRADDRSU
0.06
-0.01
-0.05
ns
tESBDATACO1
1.16
1.40
1.54
ns
tESBDATACO2
2.18
2.55
2.85
ns
tESBDD
2.73
3.17
3.58
ns
tPD
1.57
1.83
2.07
ns
tPTERMSU
0.92
0.99
1.18
ns
tPTERMCO
1.18
1.43
1.17
ns