DC & Switching Characteristics
Table 4–3. Stratix Device DC Operating Conditions Note (7) (Part 2 of 2)
Symbol
Parameter
Conditions
CCIO = 3.0 V (9)
CCIO = 2.375 V (9)
CCIO = 1.71 V (9)
Minimum
Typical
Maximum
Unit
kΩ
RCONF
Value of I/O pin pull-
up resistor before
and during
V
V
V
20
30
60
50
80
kΩ
150
kΩ
configuration
Table 4–4. LVTTL Specifications
Symbol
Parameter
Conditions
Minimum
3.0
Maximum
3.6
Unit
VCCIO
Output supply voltage
V
V
V
V
V
VIH
VIL
High-level input voltage
Low-level input voltage
High-level output voltage
Low-level output voltage
1.7
4.1
–0.5
2.4
0.7
VOH
VOL
IOH = –4 to –24 mA (10)
IOL = 4 to 24 mA (10)
0.45
Table 4–5. LVCMOS Specifications
Symbol
Parameter
Output supply voltage
High-level input voltage
Low-level input voltage
High-level output voltage
Conditions
Minimum
3.0
Maximum
3.6
Unit
V
VCCIO
VIH
VIL
1.7
4.1
V
–0.5
0.7
V
VOH
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 4–6. 2.5-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
2.375
1.7
Maximum
2.625
4.1
Unit
V
VCCIO
VIH
VIL
V
–0.5
0.7
V
VOH
VOL
IOH = –1 mA (10)
IOL = 1 mA (10)
2.0
V
0.4
V
Altera Corporation
January 2006
4–3
Stratix Device Handbook, Volume 1
ALTERA [ ALTERA CORPORATION ]
