EP1SGX10DF672C6 Datasheet, PDF (220/272 Pages) Altera Corporation – Section I. Stratix GX Device Family Data Sheet

Operating Conditions
Table 6–21. SSTL-18 Class I Specifications (Part 2 of 2)
Symbol
V_IL(DC)
Parameter
Low-level DC input voltage
Conditions
Minimum
V_IH(AC)
V_IL(AC)
High-level AC input voltage
Low-level AC input voltage
V_{R E F} +
0.275
V_OH
High-level output voltage I_OH = –6.7 mA V_TT + 0.475
(1)
V_OL
Low-level output voltage I_OL = 6.7 mA (1)
Typical
Maximum
V_{R E F} –
0.125
Units
V
V
V_{R E F} –
V
0.275
V
V_{T T} – 0.475
V
Table 6–22. SSTL-18 Class II Specifications
Symbol
V_CCIO
V_REF
V_TT
V_IH(DC)
V_IL(DC)
V_IH(AC)
V_IL(AC)
V_OH
V_OL
Parameter
Output supply voltage
Reference voltage
Termination voltage
High-level DC input voltage
Low-level DC input voltage
Conditions
Minimum
1.65
0.8
V_{R E F} – 0.04
V_{R E F} +
0.125
High-level AC input voltage
Low-level AC input voltage
V_{R E F} +
0.275
High-level output voltage
Low-level output voltage
I_OH = –13.4 mA V_TT + 0.630
(1)
I_OL = 13.4 mA (1)
Typical
1.8
0.9
V_{R E F}
Maximum
1.95
1.0
V_{R E F} + 0.04
Units
V
V
V
V
V_{R E F} –
V
0.125
V
V_{R E F} –
V
0.275
V
V_{T T} – 0.630
V
Table 6–23. SSTL-2 Class I Specifications (Part 1 of 2)
Symbol
V_CCIO
V_TT
V_REF
V_IH
V_IL
Parameter
Output supply voltage
Termination voltage
Reference voltage
High-level input voltage
Low-level input voltage
Conditions
Minimum
2.375
V_{R E F} – 0.04
1.15
V_{R E F} + 0.18
–0.3
Typical
2.5
V_{R E F}
1.25
Maximum
2.625
V_{R E F} + 0.04
1.35
3.0
V_{R E F} – 0.18
Units
V
V
V
V
V
6–18
Stratix GX Device Handbook, Volume 1
Altera Corporation
June 2006