DC & Switching Characteristics
Table 6–9. LVCMOS Specifications
Symbol
Parameter
Conditions
Minimum
Maximum
Units
VOH
High-level output voltage
VCCIO = 3.0,
V
CCIO – 0.2
V
IOH = –0.1 mA
VOL
Low-level output voltage
VCCIO = 3.0,
IOL = 0.1 mA
0.2
V
Table 6–10. 2.5-V I/O Specifications
Note (1)
Symbol
Parameter
Output supply voltage
High-level input voltage
Low-level input voltage
High-level output voltage
Conditions
Minimum
2.375
1.7
Maximum
2.625
4.1
Units
V
VCCIO
VIH
VIL
V
–0.5
2.1
0.7
V
VOH
IOH = –0.1 mA
V
I
I
OH = –1 mA
OH = –2 to –16 mA (1)
2.0
V
1.7
V
VOL
Low-level output voltage
IOL = 0.1 mA
0.2
0.4
0.7
V
I
I
OH = 1 mA
V
OH = 2 to 16 mA (1)
V
Table 6–11. 1.8-V I/O Specifications
Symbol
Parameter
Output supply voltage
High-level input voltage
Low-level input voltage
High-level output voltage
Low-level output voltage
Conditions
Minimum
Maximum
Units
VCCIO
1.65
0.65 × VCCIO 2.25
–0.3 0.35 × VCCIO
1.95
V
V
V
V
V
VIH
VIL
VOH
VOL
IOH = –2 to –8 mA (1) VCCIO – 0.45
IOL = 2 to 8 mA (1)
0.45
Table 6–12. 1.5-V I/O Specifications
Symbol
Parameter
Output supply voltage
High-level input voltage
Low-level input voltage
High-level output voltage
Conditions
Minimum
Maximum
Units
VCCIO
1.4
1.6
V
V
V
V
VIH
VIL
0.65 × VCCIO VCCIO + 0.3
–0.3
0.35 × VCCIO
VOH
IOH = –2 mA (1)
0.75 × VCCIO
Altera Corporation
August 2005
6–11
Stratix GX Device Handbook, Volume 1
ALTERA [ ALTERA CORPORATION ]
