Fast PLLs
Fast PLL Pins
Table 1–10 shows the I/O standards supported by the fast PLL input
pins.
Table 1–10. I/O Standards Supported for Stratix II and Stratix II GX Fast PLL
Pins
I/O Standard
INCLK
v
LVTTL
LVCMOS
2.5 V
v
v
1.8 V
v
1.5 V
v
3.3-V PCI
3.3-V PCI-X
SSTL-2 Class I
SSTL-2 Class II
v
v
v
v
v
v
v
v
SSTL-18 Class I
SSTL-18 Class II
1.8-V HSTL Class I
1.8-V HSTL Class II
1.5-V HSTL Class I
1.5-V HSTL Class II
Differential SSTL-2 Class I
Differential SSTL-2 Class II
Differential SSTL-18 Class I
Differential SSTL-18 Class II
1.8-V differential HSTL Class I
1.8-V differential HSTL Class II
1.5-V differential HSTL Class I
1.5-V differential HSTL Class II
LVDS
v
v
HyperTransport technology
Differential LVPECL
1–18
Stratix II Device Handbook, Volume 2
Altera Corporation
July 2009
ALTERA [ ALTERA CORPORATION ]
