Preliminary Information
Cyclone FPGA Family Data Sheet
Table 26. LVTTL Specifications
Symbol
Parameter
Conditions
Minimum
Maximum
Unit
VCCIO
Output supply voltage
High-level input voltage
Low-level input voltage
High-level output voltage
Low-level output voltage
3.0
1.7
3.6
4.1
0.7
V
V
V
V
V
VIH
VIL
–0.5
2.4
VOH
VOL
IOH = –4 to –24 mA (9)
IOL = 4 to 24 mA (9)
0.45
Table 27. LVCMOS Specifications
Symbol
Parameter
Conditions
Minimum
Maximum
Unit
VCCIO
Output supply voltage
High-level input voltage
Low-level input voltage
High-level output voltage
3.0
1.7
3.6
4.1
0.7
V
V
V
V
VIH
VIL
–0.5
VOH
VCCIO = 3.0,
V
CCIO – 0.2
IOH = –0.1 mA
VOL
Low-level output voltage
VCCIO = 3.0,
IOL = 0.1 mA
0.2
V
Table 28. 2.5-V I/O Specifications
Note (9)
Symbol
Parameter
Conditions
Minimum
Maximum
Unit
VCCIO
Output supply voltage
High-level input voltage
Low-level input voltage
High-level output voltage
2.375
1.7
2.625
4.1
V
V
V
V
V
V
V
V
V
VIH
VIL
–0.5
2.1
0.7
VOH
IOH = –0.1 mA
IOH = –1 mA
2.0
IOH = –2 to –16 mA (9)
IOL = 0.1 mA
1.7
VOL
Low-level output voltage
0.2
0.4
0.7
IOH = 1 mA
IOH = 2 to 16 mA (9)
Altera Corporation
69
ALTERA [ ALTERA CORPORATION ]
