EP1AGX Datasheet, PDF (211/234 Pages) Altera Corporation – Section I. Arria GX Device Data Sheet

Chapter 4: DC and Switching Characteristics
4–89
Maximum Input and Output Clock Toggle Rate
Table 4–104. Arria GX Maximum Input Clock Rate for Dedicated Clock Pins (Part 2 of 2)
I/O Standards
–6 Speed Grade
Units
3.3-V PCI-X
373
MHz
SSTL-18 CLASS I
467
MHz
SSTL-18 CLASS II
467
MHz
1.8-V HSTL CLASS I
467
MHz
1.8-V HSTL CLASS II
467
MHz
1.5-V HSTL CLASS I
467
MHz
1.5-V HSTL CLASS II
467
MHz
1.2-V HSTL
233
MHz
DIFFERENTAL SSTL-2
467
MHz
DIFFERENTIAL 2.5-V
467
MHz
SSTL CLASS II
DIFFERENTIAL 1.8-V
467
MHz
SSTL CLASS I
DIFFERENTIAL 1.8-V
467
MHz
SSTL CLASS II
DIFFERENTIAL 1.8-V
467
MHz
HSTL CLASS I
DIFFERENTIAL 1.8-V
467
MHz
HSTL CLASS II
DIFFERENTIAL 1.5-V
467
MHz
HSTL CLASS I
DIFFERENTIAL 1.5-V
467
MHz
HSTL CLASS II
DIFFERENTIAL 1.2-V
233
MHz
HSTL
LVDS
640
MHz
LVDS (1)
373
MHz
Note to Table 4–104:
(1) This set of numbers refers to the VIO dedicated input clock pins.
Table 4–105 shows the maximum output clock toggle rates for Arria GX device
column I/O pins.
Table 4–105. Arria GX Maximum Output Toggle Rate for Column I/O Pins (Part 1 of 3)
I/O Standards
3.3-V LVTTL
Drive Strength
4 mA
8 mA
12 mA
16 mA
20 mA
24 mA
–6 Speed Grade
196
303
393
486
570
626
Units
MHz
MHz
MHz
MHz
MHz
MHz
© December 2009 Altera Corporation
Arria GX Device Handbook, Volume 1