EPM240G Datasheet, PDF (63/86 Pages) Altera Corporation – MAX II Device Family

Chapter 5: DC and Switching Characteristics
5–5
Operating Conditions
Output Drive Characteristics
Figure 5–1 shows the typical drive strength characteristics of MAX II devices.
Figure 5–1. Output Drive Characteristics of MAX II Devices
MAX II Output Drive I_OH Characteristics
(Maximum Drive Strength)
70
3.3-V VCCIO
60
50
2.5-V VCCIO
40
30
1.8-V VCCIO
20
1.5-V VCCIO
10
0
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
Voltage (V)
MAX II Output Drive I_OL Characteristics
(Maximum Drive Strength)
60
3.3-V VCCIO
50
40
2.5-V VCCIO
30
1.8-V VCCIO
20
1.5-V VCCIO
10
0
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
Voltage (V)
MAX II Output Drive I_OH Characteristics
(Minimum Drive Strength)
35
3.3-V VCCIO
30
25
20
2.5-V VCCIO
15
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)
30
25
20
15
10
5
0
0.0
MAX II Output Drive I_OL Characteristics
(Minimum Drive Strength)
3.3-V VCCIO
2.5-V VCCIO
1.8-V VCCIO
1.5-V VCCIO
0.5
1.0
1.5
2.0
2.5
3.0
3.5
Voltage (V)
Note to Figure 5–1:
(1) The DC output current per pin is subject to the absolute maximum rating of Table 5–1.
I/O Standard Specifications
Table 5–5 through Table 5–10 show the MAX II device family I/O standard
specifications.
Table 5–5. 3.3-V LVTTL Specifications
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 (1)
IOL = 4 mA (1)
Minimum
3.0
1.7
–0.5
2.4
—
Maximum
Unit
3.6
V
4.0
V
0.8
V
—
V
0.45
V
Table 5–6. 3.3-V LVCMOS Specifications (Part 1 of 2)
Symbol
V_CCIO
V_IH
V_IL
Parameter
I/O supply voltage
High-level input voltage
Low-level input voltage
Conditions
—
—
—
Minimum
3.0
1.7
–0.5
Maximum
Unit
3.6
V
4.0
V
0.8
V
© Novermber 2008 Altera Corporation
MAX II Device Handbook