HC1S25 Datasheet, PDF (28/110 Pages) Altera Corporation – HardCopy Stratix Device Family

Recommended Operating Conditions
Table 4–7. 1.8-V I/O Specifications
Symbol
Parameter
V_{C CIO}
V_{I H}
V_IL
V_OH
V_OL
Output supply voltage
High-level input voltage
Low-level input voltage
High-level output voltage
Low-level output voltage
Conditions
I_OH = –2 to –8 mA (1)
I_OL = 2 to 8 mA (1)
Minimum Maximum Unit
1.65
1.95
V
0.65 × V_CCIO
2.25
V
–0.3
0.35 × V_CCIO V
V_CCIO – 0.45
V
0.45
V
Table 4–8. 1.5-V I/O Specifications
Symbol
Parameter
V_{C CIO}
V_{I H}
V_IL
V_OH
V_OL
Output supply voltage
High-level input voltage
Low-level input voltage
High-level output voltage
Low-level output voltage
Conditions
I_OH = –2 mA (1)
I_OL = 2 mA (1)
Minimum Maximum Unit
1.4
1.6
V
0.65 × V_CCIO V_CCIO + 0.3 V
–0.3
0.35 × V_CCIO V
0.75 × V_CCIO
V
0.25 × V_CCIO V
Table 4–9. 3.3-V LVDS I/O Specifications (Part 1 of 2)
Symbol
Parameter
Conditions
V_{C CIO}
V_ID
I/O supply voltage
Input differential voltage 0.1 V < V_CM < 1.1 V
swing
J = 1 through 10
1.1 V ≤ V_CM ≤ 1.6 V
J=1
1.1 V ≤ V_CM ≤ 1.6 V
J = 2 through10
1.6 V < V_CM < 1.8 V
J = 1 through 10
Minimum
3.135
300
200
100
300
Typical
3.3
Maximum Unit
3.465
V
1,000 mV
1,000 mV
1,000 mV
1,000 mV
4–4
Altera Corporation
September 2008