EP2SGX30CF780C5N Datasheet, PDF (135/316 Pages) Altera Corporation – Section I. Stratix II GX Device Data Sheet

Stratix II GX Architecture
■ Differential SSTL-2 class I and II
■ 1.2-V HSTL class I and II
■ 1.5-V HSTL class I and II
■ 1.8-V HSTL class I and II
■ SSTL-2 class I and II
■ SSTL-18 class I and II
Table 2–33 describes the I/O standards supported by Stratix II GX
devices.
Table 2–33. Stratix II GX Supported I/O Standards
I/O Standard
Type
Input Reference Output Supply Board Termination
Voltage (V_REF) (V) Voltage (V_CCIO) (V) Voltage (V_TT) (V)
LVTTL
Single-ended
—
3.3
—
LVCMOS
Single-ended
—
3.3
—
2.5 V
Single-ended
—
2.5
—
1.8 V
Single-ended
—
1.8
—
1.5-V LVCMOS
Single-ended
—
1.5
—
3.3-V PCI
Single-ended
—
3.3
—
3.3-V PCI-X mode 1
Single-ended
—
3.3
—
LVDS
Differential
—
2.5 (3)
—
LVPECL (1)
Differential
—
3.3
—
HyperTransport technology Differential
—
2.5 (3)
—
Differential 1.5-V HSTL
class I and II (2)
Differential
0.75
1.5
0.75
Differential 1.8-V HSTL
class I and II (2)
Differential
0.90
1.8
0.90
Differential SSTL-18 class I Differential
and II (2)
0.90
1.8
0.90
Differential SSTL-2 class I Differential
and II (2)
1.25
2.5
1.25
1.2-V HSTL(4)
Voltage-referenced
0.6
1.2
0.6
1.5-V HSTL class I and II Voltage-referenced
0.75
1.5
0.75
1.8-V HSTL class I and II Voltage-referenced
0.9
1.8
0.9
SSTL-18 class I and II
Voltage-referenced
0.90
1.8
0.90
Altera Corporation
October 2007
2–127
Stratix II GX Device Handbook, Volume 1