Altera Corporation
4–3
January 2006
Stratix Device Handbook, Volume 1
DC & Switching Characteristics
RCONF
Value of I/O pin pull-
up resistor before
and during
configuration
20
50
k
Ω
30
80
k
Ω
60
150
k
Ω
Table 4–4. LVTTL Specifications
Symbol
Parameter
Conditions
Minimum
Maximum
Unit
VCCIO
Output supply voltage
3.0
3.6
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
2.4
V
VOL
Low-level output voltage
0.45
V
Table 4–5. LVCMOS Specifications
Symbol
Parameter
Conditions
Minimum
Maximum
Unit
VCCIO
Output supply voltage
3.0
3.6
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
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 4–6. 2.5-V I/O Specifications
Symbol
Parameter
Conditions
Minimum
Maximum
Unit
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
2.0
V
VOL
Low-level output voltage
0.4
V
Table 4–3. Stratix Device DC Operating Conditions Note (7) (Part 2 of 2)
Symbol
Parameter
Conditions
Minimum
Typical
Maximum
Unit