Chapter 5: DC and Switching Characteristics
5–7
Operating Conditions
Table 5–10. 3.3-V PCI Specifications (Note 1)
Symbol
VCCIO
Parameter
Conditions
Minimum
Typical
Maximum
Unit
I/O supply
voltage
—
3.0
3.3
3.6
V
VIH
VIL
High-level input
voltage
—
0.5 × VCCIO
–0.5
—
—
—
—
VCCIO + 0.5
0.3 × VCCIO
—
V
V
V
V
Low-level input
voltage
—
VOH
VOL
High-level
output voltage
IOH = –500 µA
IOL = 1.5 mA
0.9 × VCCIO
—
Low-level
0.1 × VCCIO
output voltage
Note to Table 5–10:
(1) 3.3-V PCI I/O standard is only supported in Bank 3 of the EPM1270 and EPM2210 devices.
Bus Hold Specifications
Table 5–11 shows the MAX II device family bus hold specifications.
Table 5–11. Bus Hold Specifications
VCCIO Level
1.8 V 2.5 V
Min Max Min Max Min Max Min Max Unit
1.5 V
3.3 V
Parameter
Conditions
Low sustaining
current
VIN > VIL (maximum)
20
–20
—
—
30
–30
—
—
50
–50
—
—
70
–70
—
—
µA
µA
µA
High sustaining
current
VIN < VIH (minimum)
0 V < VIN < VCCIO
—
—
—
—
Low overdrive
current
160
–160
200
–200
300
–300
500
High overdrive
current
0 V < VIN < VCCIO
—
—
—
—
–500 µA
© Novermber 2008 Altera Corporation
MAX II Device Handbook
ALTERA [ ALTERA CORPORATION ]
