HC1S25 Datasheet, PDF (36/110 Pages) Altera Corporation – HardCopy Stratix Device Family

Recommended Operating Conditions
Table 4–25. 1.5-V HSTL Class I Specifications
Symbol
Parameter
Conditions
V_{C CIO}
V_{R EF}
V_TT
V_IH (DC)
V_IL (DC)
V_IH (AC)
V_IL (AC)
V_OH
V_OL
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 I_OH = 8 mA (1)
Low-level output voltage I_OH = –8 mA (1)
Table 4–26. 1.5-V HSTL Class II Specifications
Symbol
Parameter
Conditions
V_{C CIO}
V_{R EF}
V_TT
V_IH (DC)
V_IL (DC)
V_IH (AC)
V_IL (AC)
V_OH
V_OL
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 I_OH = 16 mA (1)
Low-level output voltage I_OH = –16 mA (1)
Minimum
1.4
0.68
0.7
V_REF + 0.1
–0.3
V_REF + 0.2
V_CCIO – 0.4
Typical
1.5
0.75
0.75
Maximum Unit
1.6
V
0.9
V
0.8
V
V
V_REF – 0.1 V
V
V_REF – 0.2 V
V
0.4
V
Minimum
1.4
0.68
0.7
V_REF + 0.1
–0.3
V_REF + 0.2
V_CCIO – 0.4
Typical
1.5
0.75
0.75
Maximum Unit
1.6
V
0.9
V
0.8
V
V
V_REF – 0.1 V
V
V_REF – 0.2 V
V
0.4
V
4–12
Altera Corporation
September 2008