4–92
Chapter 4: DC and Switching Characteristics
Maximum Input and Output Clock Toggle Rate
Table 4–106. Arria GX Maximum Output Toggle Rate for Row I/O Pins
I/O Standards
Drive Strength
4 mA
–6 Speed Grade
Units
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
280
420
561
561
607
280
420
561
598
6 mA
1.8-V HSTL CLASS I
8 mA
10 mA
12 mA
4 mA
1.5-V HSTL CLASS I
LVDS
6 mA
8 mA
—
Table 4–107 lists maximum output clock rate for dedicated clock pins.
Table 4–107. Arria GX Maximum Output Clock Rate for Dedicated Clock Pins (Part 1 of 4)
I/O Standards
Drive Strength
4 mA
–6 Speed Grade
196
Units
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
8 mA
303
12 mA
16 mA
20 mA
24 mA
4 mA
393
3.3-V LVTTL
486
570
626
215
8 mA
411
12 mA
16 mA
20 mA
24 mA
4 mA
626
3.3-V LVCMOS
819
874
934
168
8 mA
355
2.5 V
12 mA
16 mA
2 mA
514
766
97
4 mA
215
6 mA
336
1.8 V
8 mA
486
10 mA
12 mA
2 mA
706
925
168
4 mA
303
1.5 V
6 mA
350
8 mA
392
Arria GX Device Handbook, Volume 1
© December 2009 Altera Corporation
ALTERA [ ALTERA CORPORATION ]
