Chapter 3: DC and Switching Characteristics for MAX V Devices
Operating Conditions
3–5
Output Drive Characteristics
shows the typical drive strength characteristics of MAX V devices.
Figure 3–1. Output Drive Characteristics of MAX V Devices
MAX V Output Drive I
OH
Characteristics
(Maximum Drive Strength)
70
60
MAX V Output Drive I
OL
Characteristics
(Maximum Drive Strength)
3.3-V VCCIO
3.3-V VCCIO
Typical I
O
Output Current (mA)
Typical I
O
Output Current (mA)
60
50
50
40
40
2.5-V VCCIO
2.5-V VCCIO
30
30
20
1.8-V VCCIO
1.5-V VCCIO
20
1.8-V VCCIO
1.5-V VCCIO
10
10
1.2-V VCCIO
(2)
0
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
0
0.0
0.5
1.2-V VCCIO
(2)
1.0
1.5
2.0
2.5
3.0
3.5
Voltage (V)
Voltage (V)
MAX V Output Drive I
OH
Characteristics
(Minimum Drive Strength)
35
30
MAX V Output Drive I
OL
Characteristics
(Minimum Drive Strength)
3.3-V VCCIO
3.3-V VCCIO
Typical I
O
Output Current (mA)
Typical I
O
Output Current (mA)
30
25
20
15
10
5
0
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
25
20
2.5-V VCCIO
2.5-V VCCIO
15
1.8-V VCCIO
1.5-V VCCIO
10
1.8-V VCCIO
1.5-V VCCIO
5
0
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
Voltage (V)
Voltage (V)
Notes to
(1) The DC output current per pin is subject to the absolute maximum rating of
(2) 1.2-V V
CCIO
is only applicable to the maximum drive strength.
I/O Standard Specifications
through
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
—
—
—
IOH = –4 mA
IOL = 4 mA
Minimum
3.0
1.7
–0.5
2.4
—
Maximum
3.6
4.0
0.8
—
0.45
Unit
V
V
V
V
V
Note to
(1) This specification is supported across all the programmable drive strength settings available for this I/O standard, as shown in the
chapter.
May 2011
Altera Corporation
ALTERA [ ALTERA CORPORATION ]
