Typical Design Performance
Table 4–49 describes I/O timing specifications.
Table 4–49. EP1AGX20 Column Pins Input Timing Parameters (Part 1 of 3)
Fast Corner
-6 Speed
Grade
I/O Standard
Clock
Parameter
Units
Industrial
1.251
-1.146
2.693
-2.588
1.251
-1.146
2.693
-2.588
1.261
-1.156
2.703
-2.598
1.327
-1.222
2.769
-2.664
1.330
-1.225
2.772
-2.667
1.075
-0.970
2.517
-2.412
1.075
-0.970
2.517
-2.412
Commercial
1.251
tSU
tH
tSU
tH
tSU
tH
tSU
tH
tSU
tH
tSU
tH
tSU
tH
tSU
tH
tSU
tH
tSU
tH
tSU
tH
tSU
tH
tSU
tH
tSU
tH
2.915
-2.638
6.021
-5.744
2.915
-2.638
6.021
-5.744
2.897
-2.620
6.003
-5.726
3.107
-2.830
6.213
-5.936
3.200
-2.923
6.306
-6.029
2.372
-2.095
5.480
-5.203
2.372
-2.095
5.480
-5.203
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
GCLK
-1.146
2.693
3.3-V LVTTL
GCLK PLL
GCLK
-2.588
1.251
-1.146
2.693
3.3-V
LVCMOS
GCLK PLL
GCLK
-2.588
1.261
-1.156
2.703
2.5 V
1.8 V
1.5 V
GCLK PLL
GCLK
-2.598
1.327
-1.222
2.769
GCLK PLL
GCLK
-2.664
1.330
-1.225
2.772
GCLK PLL
GCLK
-2.667
1.075
-0.970
2.517
SSTL-2
CLASS I
GCLK PLL
GCLK
-2.412
1.075
-0.970
2.517
SSTL-2
CLASS II
GCLK PLL
-2.412
4–44
Altera Corporation
May 2008
Arria GX Device Handbook, Volume 1
ALTERA [ ALTERA CORPORATION ]
