HC20K400 Datasheet, PDF (28/36 Pages) Altera Corporation – HardCopy APEX Device Family

HardCopy Series Handbook, Volume 1
Table 10–13. SSTL-2 Class I Specifications (Part 2 of 2)
Symbol
V_OH
V_OL
Parameter
High-level output
voltage
Low-level output
voltage
Conditions
I_OH = –7.6 mA (1)
I_OL = 7.6 mA (2)
Minimum
V_TT + 0.57
Typical
Maximum
V_TT – 0.57
Units
V
V
Table 10–14. SSTL-2 Class II Specifications
Symbol
V_{C CIO}
V_TT
V_{R EF}
V_IH
V_IL
V_OH
V_OL
Parameter
Conditions
I/O supply voltage
Termination voltage
Reference voltage
High-level input
voltage
Low-level input
voltage
High-level output
voltage
Low-level output
voltage
I_OH = –15.2 mA (1)
I_OL = 15.2 mA (2)
Minimum
2.375
V_REF – 0.04
1.15
V_REF + 0.18
Typical
2.5
V_REF
1.25
Maximum
2.625
V_REF + 0.04
1.35
V_CCIO + 0.3
Units
V
V
V
V
–0.3
V_REF – 0.18
V
V_TT + 0.76
V
V_TT – 0.76
V
Table 10–15. SSTL-3 Class I Specifications
Symbol
V_{C CIO}
V_TT
V_{R EF}
V_IH
V_IL
V_OH
V_OL
Parameter
Conditions
I/O supply voltage
Termination voltage
Reference voltage
High-level input
voltage
Low-level input
voltage
High-level output
voltage
Low-level output
voltage
I_OH = –8 mA (1)
I_OL = 8 mA (2)
Minimum
3.0
V_REF – 0.05
1.3
V_REF + 0.2
Typical
3.3
V_REF
1.5
Maximum
3.6
V_REF + 0.05
1.7
V_CCIO + 0.3
Units
V
V
V
V
–0.3
V_REF – 0.2
V
V_TT + 0.6
V
V_TT – 0.6
V
10–8
Altera Corporation
September 2008