Altera Corporation
6–11
June 2006
Stratix GX Device Handbook, Volume 1
DC & Switching Characteristics
VOH
High-level output voltage
VCCIO = 3.0,
IOH = –0.1 mA
VCCIO – 0.2
V
VOL
Low-level output voltage
VCCIO = 3.0,
IOL = 0.1 mA
0.2
V
Table 6–10. 2.5-V I/O Specifications
Symbol
Parameter
Conditions
Minimum
Maximum
Units
VCCIO
Output supply voltage
2.375
2.625
V
VIH
High-level input voltage
1.7
4.1
V
VIL
Low-level input voltage
–0.5
0.7
V
VOH
High-level output voltage
IOH = –0.1 mA
2.1
V
IOH = –1 mA
2.0
V
1.7
V
VOL
Low-level output voltage
IOL = 0.1 mA
0.2
V
IOH = 1 mA
0.4
V
0.7
V
Table 6–11. 1.8-V I/O Specifications
Symbol
Parameter
Conditions
Minimum
Maximum
Units
VCCIO
Output supply voltage
1.65
1.95
V
VIH
High-level input voltage
0.65 × VCCIO 2.25
V
VIL
Low-level input voltage
–0.3
0.35 × VCCIO
V
VOH
High-level output voltage
VCCIO – 0.45
V
VOL
Low-level output voltage
0.45
V
Table 6–12. 1.5-V I/O Specifications (Part 1 of 2)
Symbol
Parameter
Conditions
Minimum
Maximum
Units
VCCIO
Output supply voltage
1.4
1.6
V
VIH
High-level input voltage
0.65 × VCCIO VCCIO + 0.3
V
VIL
Low-level input voltage
–0.3
0.35 × VCCIO
V
VOH
High-level output voltage
0.75 × VCCIO
V
Table 6–9. LVCMOS Specifications
Symbol
Parameter
Conditions
Minimum
Maximum
Units