Chapter 3: DC and Switching Characteristics for MAX V Devices

3–5

Operating Conditions

May 2011

Altera Corporation

MAX V Device Handbook

Output Drive Characteristics

Figure 3–1 shows the typical drive strength characteristics of MAX V devices.

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.

Figure 3–1. Output Drive Characteristics of MAX V Devices (Note 1)

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.

0

5

10

15

20

25

30

35

0.0

0.5

1.0

1.5

2.0

2.5

3.0

3.5

Voltage (V)

3.3-V VCCIO

2.5-V VCCIO

1.8-V VCCIO

1.5-V VCCIO

(Minimum Drive Strength)

0

5

10

15

20

25

30

0.0

0.5

1.0

1.5

2.0

2.5

3.0

3.5

Voltage (V)

3.3-V VCCIO

2.5-V VCCIO

1.8-V VCCIO

1.5-V VCCIO

(Minimum Drive Strength)

0

10

20

30

40

50

60

0.0

0.5

1.0

1.5

2.0

2.5

3.0

3.5

Voltage (V)

3.3-V VCCIO

2.5-V VCCIO

1.8-V VCCIO

1.5-V VCCIO

(Maximum Drive Strength)

1.2-V VCCIO (2)

(Maximum Drive Strength)

0

10

20

30

40

50

60

70

0.0

0.5

1.0

1.5

2.0

2.5

3.0

3.5

Voltage (V)

3.3-V VCCIO

2.5-V VCCIO

1.8-V VCCIO

1.5-V VCCIO

1.2-V VCCIO (2)

Table 3–5. 3.3-V LVTTL Specifications for MAX V Devices

Symbol

Parameter

Conditions

Minimum

Maximum

Unit

I/O supply voltage

—

3.0

3.6

V

High-level input voltage

—

1.7

4.0

V

Low-level input voltage

—

–0.5

0.8

V

High-level output voltage

IOH = –4 mA (1)

2.4

—

V

Low-level output voltage

IOL = 4 mA (1)

—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.