4–22
Altera Corporation
Stratix Device Handbook, Volume 2
June 2006
Stratix & Stratix GX I/O Banks
Table 4–4. I/O Standards Supported in Stratix & Stratix GX Fast PLL Pins
I/O Standard
Input
INCLK
PLLENABLE
LVTTL
vv
LVCMOS
vv
2.5 V
v
1.8 V
v
1.5 V
v
3.3-V PCI
3.3-V PCI-X 1.0
LVPECL
v
3.3-V PCML
v
LVDS
v
HyperTransport technology
v
Differential HSTL
v
Differential SSTL
3.3-V GTL
3.3-V GTL+
1.5V HSTL Class I
v
1.5V HSTL Class II
SSTL-18 Class I
v
SSTL-18 Class II
SSTL-2 Class I
v
SSTL-2 Class II
v
SSTL-3 Class I
v
SSTL-3 Class II
v
AGP (1
× and 2×)
CTT
v