Altera Corporation
71
ACEX 1K Programmable Logic Device Family Data Sheet
D
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tCO
0.6
0.7
ns
tCOMB
0.3
0.4
0.5
ns
tSU
0.5
0.6
0.7
ns
tH
0.5
0.6
0.8
ns
tPRE
0.4
0.5
0.7
ns
tCLR
0.8
1.0
1.2
ns
tCH
2.0
2.5
3.0
ns
tCL
2.0
2.5
3.0
ns
Table 45. EP1K50 Device IOE Timing Microparameters
Symbol
Speed Grade
Unit
-1
-2
-3
Min
Max
Min
Max
Min
Max
tIOD
1.3
1.9
ns
tIOC
0.3
0.4
ns
tIOCO
1.7
2.1
2.6
ns
tIOCOMB
0.5
0.6
0.8
ns
tIOSU
0.8
1.0
1.3
ns
tIOH
0.4
0.5
0.6
ns
tIOCLR
0.2
0.4
ns
tOD1
1.2
1.9
ns
tOD2
0.7
0.8
1.7
ns
tOD3
2.7
3.0
4.3
ns
tXZ
4.7
5.7
7.5
ns
tZX1
4.7
5.7
7.5
ns
tZX2
4.2
5.3
7.3
ns
tZX3
6.2
7.5
9.9
ns
tINREG
3.5
4.2
5.6
ns
tIOFD
1.1
1.3
1.8
ns
tINCOMB
1.1
1.3
1.8
ns
Table 44. EP1K50 Device LE Timing Microparameters (Part 2 of 2)
Note (1)
Symbol
Speed Grade
Unit
-1
-2
-3
Min
Max
Min
Max
Min
Max