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HC1S25 Datasheet, PDF (37/110 Pages) Altera Corporation – HardCopy Stratix Device Family | |||
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Operating Conditions
Table 4â27. 1.8-V HSTL Class I Specifications
Symbol
Parameter
Conditions
VC CIO
VR EF
VTT
VIH (DC)
VIL (DC)
VIH (AC)
VIL (AC)
VOH
VOL
Output supply voltage
Input reference voltage
Termination voltage
DC high-level input
voltage
DC low-level input
voltage
AC high-level input
voltage
AC low-level input
voltage
High-level output voltage IOH = 8 mA (1)
Low-level output voltage IOH = â8 mA (1)
Table 4â28. 1.8-V HSTL Class II Specifications
Symbol
Parameter
Conditions
VC CIO
VR EF
VTT
VIH (DC)
VIL (DC)
VIH (AC)
VIL (AC)
VOH
VOL
Output supply voltage
Input reference voltage
Termination voltage
DC high-level input
voltage
DC low-level input
voltage
AC high-level input
voltage
AC low-level input
voltage
High-level output voltage IOH = 16 mA (1)
Low-level output voltage IOH = â16 mA (1)
Minimum
1.65
0.70
VREF + 0.1
Typical
1.80
0.90
VCCIO Ã 0.5
Maximum Unit
1.95
V
0.95
V
V
V
â0.5
VREF â 0.1 V
VREF + 0.2
V
VREF â 0.2 V
VCCIO â 0.4
V
0.4
V
Minimum
1.65
0.70
VREF + 0.1
Typical
1.80
0.90
VCCIO Ã 0.5
Maximum Unit
1.95
V
0.95
V
V
V
â0.5
VREF â 0.1 V
VREF + 0.2
V
VREF â 0.2 V
VCCIO â 0.4
V
0.4
V
Altera Corporation
September 2008
4â13
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