Operating Conditions
Table 6–26. SSTL-3 Class II Specifications (Part 2 of 2)
Symbol
Parameter
Conditions
Minimum
Typical
Typical
Maximum
Units
VIL
Low-level input voltage
High-level output voltage
Low-level output voltage
–0.3
VREF – 0.2
V
V
V
VOH
VOL
IOH = –16 mA (1) VTT + 0.8
IOL = 16 mA (1)
VTT – 0.8
Table 6–27. 3.3-V AGP 2× Specifications
Symbol
Parameter
Output supply voltage
Reference voltage
Conditions
Minimum
Maximum
Units
VCCIO
3.15
3.3
3.45
V
V
VREF
0.39 ×
0.41 ×
VCCIO
VCCIO
VIH
VIL
High-level input voltage (2)
Low-level input voltage (2)
High-level output voltage
Low-level output voltage
0.5 × VCCIO
VCCIO + 0.5
0.3 × VCCIO
3.6
V
V
V
V
VOH
VOL
IOUT = –0.5 mA 0.9 × VCCIO
IOUT = 1.5 mA
0.1 × VCCIO
Table 6–28. 3.3-V AGP 1× Specifications
Symbol
Parameter
Conditions
Minimum
Typical
Maximum
3.45
Units
VCCIO
Output supply voltage
High-level input voltage (2)
Low-level input voltage (2)
High-level output voltage
Low-level output voltage
3.15
0.5 × VCCIO
3.3
V
V
V
V
V
VIH
VIL
VCCIO + 0.5
0.3 × VCCIO
3.6
VOH
VOL
IOUT = –0.5 mA 0.9 × VCCIO
IOUT = 1.5 mA
0.1 × VCCIO
Table 6–29. 1.5-V HSTL Class I Specifications (Part 1 of 2)
Symbol
Parameter
Conditions
Minimum
Typical
Maximum
Units
V
VCCIO
Output supply voltage
Input reference voltage
Termination voltage
1.4
1.5
1.6
0.9
0.8
VREF
VTT
0.68
0.75
0.75
V
0.7
V
V
V
V
V
IH (DC)
DC high-level input voltage
DC low-level input voltage
AC high-level input voltage
AC low-level input voltage
VREF + 0.1
–0.3
V
IL (DC)
IH (AC)
IL (AC)
VREF – 0.1
VREF – 0.2
V
VREF + 0.2
V
V
6–20
Stratix GX Device Handbook, Volume 1
Altera Corporation
June 2006
ALTERA [ ALTERA CORPORATION ]
