
Chapter 3: DC and Switching Characteristics for MAX V Devices
Operating Conditions
Output Drive Characteristics
Figure 3–1 shows the typical drive strength characteristics of MAX V devices.
Figure 3–1. Output Drive Characteristics of MAX V Devices
(Note 1)3–5
MAX V Output Drive I OH Characteristics
(Maximum Drive Strength)
MAX V Output Drive I OL Characteristics
(Maximum Drive Strength)
70
60
50
3.3-V VCCIO
60
50
3.3-V VCCIO
40
2.5-V VCCIO
40
2.5-V VCCIO
30
30
20
1.8-V VCCIO
20
1.8-V VCCIO
1.5-V VCCIO
10
0
1.5-V VCCIO
1.2-V VCCIO (2)
10
0
1.2-V VCCIO (2)
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
Voltage (V)
MAX V Output Drive I OH Characteristics
(Minimum Drive Strength)
Voltage (V)
MAX V Output Drive I OL Characteristics
(Minimum Drive Strength)
35
30
3.3-V VCCIO
30
25
3.3-V VCCIO
25
20
2.5-V VCCIO
20
2.5-V VCCIO
15
15
10
5
0
1.8-V VCCIO
1.5-V VCCIO
10
5
0
1.8-V VCCIO
1.5-V VCCIO
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
Voltage (V)
Voltage (V)
(1) The DC output current per pin is subject to the absolute maximum rating of
Table 3–1 on page 3–1 .(2) 1.2-V V CCIO is only applicable to the maximum drive strength.
I/O Standard Specifications
Table 3–5 through Table 3–13 on page 3–8 list the I/O standard specifications for the
MAX V device family.
Table 3–5. 3.3-V LVTTL Specifications for MAX V Devices
Symbol
V CCIO
V IH
V IL
V OH
V OL
Parameter
I/O supply voltage
High-level input voltage
Low-level input voltage
High-level output voltage
Low-level output voltage
Conditions
—
—
—
Minimum
3.0
1.7
–0.5
2.4
—
Maximum
3.6
4.0
0.8
—
0.45
Unit
V
V
V
V
V
(1) This specification is supported across all the programmable drive strength settings available for this I/O standard, as shown in the
May 2011
Altera Corporation