Chapter 3: DC and Switching Characteristics for MAX V Devices
3–5
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)
MAX V Output Drive IOH Characteristics
(Maximum Drive Strength)
MAX V Output Drive IOL Characteristics
(Maximum Drive Strength)
60
50
40
30
20
10
0
70
60
50
40
30
20
10
0
3.3-V VCCIO
3.3-V VCCIO
2.5-V VCCIO
2.5-V VCCIO
1.8-V VCCIO
1.8-V VCCIO
1.5-V VCCIO
1.2-V VCCIO (2)
1.5-V VCCIO
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)
Voltage (V)
MAX V Output Drive IOL Characteristics
(Minimum Drive Strength)
MAX V Output Drive IOH Characteristics
(Minimum Drive Strength)
30
25
20
15
10
5
35
3.3-V VCCIO
3.3-V VCCIO
30
25
20
15
10
5
2.5-V VCCIO
2.5-V VCCIO
1.8-V VCCIO
1.5-V VCCIO
1.8-V VCCIO
1.5-V VCCIO
0
0
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)
Notes to Figure 3–1:
(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 VCCIO 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
VCCIO
Parameter
I/O supply voltage
Conditions
Minimum
3.0
Maximum
3.6
Unit
V
—
VIH
High-level input voltage
Low-level input voltage
High-level output voltage
Low-level output voltage
—
1.7
4.0
V
VIL
—
–0.5
2.4
0.8
V
VOH
IOH = –4 mA (1)
IOL = 4 mA (1)
—
V
VOL
—
0.45
V
Note to Table 3–5:
(1) This specification is supported across all the programmable drive strength settings available for this I/O standard, as shown in the
MAX V Device Architecture chapter.
May 2011 Altera Corporation
MAX V Device Handbook
ALTERA [ ALTERA CORPORATION ]
