DC & Switching Characteristics
Table 6–30. 1.5-V HSTL Class II Specifications (Part 2 of 2)
Symbol
Parameter
Conditions
Minimum
Typical
Maximum
VREF – 0.2
0.4
Units
VIH (AC)
AC high-level input voltage
AC low-level input voltage
High-level output voltage
Low-level output voltage
VREF + 0.2
V
V
V
V
V
IL (AC)
VOH
VOL
IOH = 16 mA (1) VCCIO – 0.4
IOH = –16 mA (1)
Table 6–31. 1.5-V Differential HSTL Specifications
Symbol
Parameter
Conditions
Minimum
Typical
Maximum
Units
VCCIO
I/O supply voltage
1.4
1.5
1.6
V
V
V
V
V
DIF (DC)
CM (DC)
DIF (AC)
DC input differential
voltage
0.2
DC common mode input
voltage
0.68
0.4
0.9
V
V
AC differential input
voltage
Table 6–32. CTT I/O Specifications
Symbol
Parameter
Conditions
Minimum
Typical
Maximum
3.6
Units
VCCIO
TT/VREF
Output supply voltage
3.0
3.3
1.5
V
V
V
Termination and input
reference voltage
1.35
1.65
VIH
VIL
VOH
VOL
IO
High-level input voltage
Low-level input voltage
High-level output voltage
Low-level output voltage
VREF + 0.2
VREF + 0.4
–10
V
V
VREF – 0.2
IOH = –8 mA
IOL = 8 mA
V
VREF – 0.4
10
V
Output leakage current
GND ≤ VOUT
≤
μA
(when output is high Z)
VCCIO
Altera Corporation
August 2005
6–21
Stratix GX Device Handbook, Volume 1
ALTERA [ ALTERA CORPORATION ]
