Operating Conditions
I/O Standard Specifications
Tables 5–5 through 5–10 show the MAX II device family I/O standard
specifications.
Table 5–5. 3.3-V LVTTL Specifications
Symbol Parameter
Conditions
Minimum
Maximum
Unit
VCCIO
I/O supply
3.0
3.6
V
voltage
VIH
VIL
High-level input
voltage
1.7
–0.5
2.4
4.0
0.8
V
V
V
V
Low-level input
voltage
VOH
VOL
High-leveloutput
voltage
I
OH = –4 mA (1)
OL = 4 mA (1)
Low-level output
voltage
0.45
I
Table 5–6. 3.3-V LVCMOS Specifications
Symbol Parameter Conditions
Minimum
Maximum
Unit
VCCIO
I/O supply
3.0
3.6
V
voltage
VIH
VIL
High-level input
voltage
1.7
–0.5
4.0
0.8
V
V
V
Low-level input
voltage
VOH
High-leveloutput VCCIO = 3.0,
voltage
VCCIO – 0.2
IOH = -0.1 mA (1)
VOL
Low-level output VCCIO = 3.0,
voltage
0.2
V
I
OL = 0.1 mA (1)
Table 5–7. 2.5-V I/O Specifications (Part 1 of 2)
Symbol Parameter Conditions
Minimum
Maximum
Unit
VCCIO
I/O supply
2.375
2.625
V
voltage
VIH
VIL
High-level input
voltage
1.7
4.0
0.7
V
V
Low-level input
voltage
–0.5
5–6
Core Version a.b.c variable
Altera Corporation
July 2006
MAX II Device Handbook, Volume 1
INTEL [ INTEL ]
