HC1S25 Datasheet, PDF (35/110 Pages) Altera Corporation – HardCopy Stratix Device Family

Operating Conditions
Table 4–22. SSTL-3 Class II Specifications (Part 2 of 2)
Symbol
Parameter
Conditions
V_{I H(DC )}
V_{I L(D C)}
V_{I H(AC )}
V_{I L(A C)}
V_OH
V_OL
High-level DC input
voltage
Low-level DC input
voltage
High-level AC input
voltage
Low-level AC input
voltage
High-level output voltage I_OH = –16 mA (1)
Low-level output voltage I_OL = 16 mA (1)
Minimum
V_REF + 0.2
–0.3
V_REF + 0.4
V_{T T} + 0.8
Typical
Maximum Unit
V_CCIO + 0.3 V
V_REF – 0.2 V
V
V_REF – 0.4 V
V
V_TT – 0.8 V
Table 4–23. 3.3-V AGP 2× Specifications
Symbol
Parameter
Conditions
V_{C CIO}
V_{R EF}
V_IH
V_IL
V_OH
V_OL
Output supply voltage
Reference voltage
High-level input voltage
(4)
Low-level input voltage
(4)
High-level output voltage I_OUT = –0.5 mA
Low-level output voltage I_OUT = 1.5 mA
Minimum
3.15
0.39 × V_CCIO
0.5 × V_CCIO
Typical
3.3
Maximum Unit
3.45
V
0.41 × V_CCIO V
V_CCIO + 0.5 V
0.3 × V_CCIO V
0.9 × V_CCIO
3.6
V
0.1 × V_CCIO V
Table 4–24. 3.3-V AGP 1× Specifications
Symbol
Parameter
Conditions
V_{C CIO}
V_IH
Output supply voltage
High-level input voltage
(4)
V_IL
Low-level input voltage
(4)
V_OH
High-level output voltage I_OUT = –0.5 mA
V_OL
Low-level output voltage I_OUT = 1.5 mA
Minimum
3.15
0.5 × V_CCIO
0.9 × V_CCIO
Typical
3.3
Maximum Unit
3.45
V
V_CCIO + 0.5 V
0.3 × V_CCIO V
3.6
V
0.1 × V_CCIO V
Altera Corporation
September 2008
4–11