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Altera Corporation
109
APEX 20K Programmable Logic Device Family Data Sheet
Table 108. EP20K1500E fMAX ESBTiming Microparameters
Symbol
-1 Speed Grade
-2 Speed Grade
-3 Speed Grade
Unit
Min
Max
Min
Max
Min
Max
tESBARC
1.92
2.22
2.26
ns
tESBSRC
2.61
3.04
3.29
ns
tESBAWC
3.55
4.17
4.54
ns
tESBSWC
3.38
4.12
4.51
ns
tESBWASU
0.63
0.73
0.75
ns
tESBWAH
0.42
0.49
0.48
ns
tESBWDSU
0.80
0.90
0.96
ns
tESBWDH
0.42
0.49
0.48
ns
tESBRASU
1.85
2.05
2.11
ns
tESBRAH
0.00
0.01
ns
tESBWESU
1.59
1.77
1.88
ns
tESBDATASU
-0.14
-0.24
-0.22
ns
tESBWADDRSU
0.05
-0.01
0.05
ns
tESBRADDRSU
0.14
0.09
0.13
ns
tESBDATACO1
1.27
1.54
1.69
ns
tESBDATACO2
2.51
2.97
3.24
ns
tESBDD
3.15
3.69
4.07
ns
tPD
1.81
2.13
2.35
ns
tPTERMSU
1.11
1.22
1.35
ns
tPTERMCO
1.29
1.58
1.26
ns
Table 109. EP20K1500E fMAX Routing Delays
Symbol
-1 Speed Grade
-2 Speed Grade
-3 Speed Grade
Unit
Min
Max
Min
Max
Min
Max
tF1-4
0.29
ns
tF5-20
1.12
1.37
1.46
ns
tF20+
5.50
5.94
6.27
ns