EP2SGX60CF780C4N Datasheet, PDF (220/316 Pages) Altera Corporation – Support for numerous single-ended and differential I/O standards

Operating Conditions
Table 4–35. SSTL-18 Class I Specifications
Symbol
Parameter
Conditions
Minimum
V_CCIO
V_REF
V_TT
V_IH (DC)
V_IL (DC)
V_IH (AC)
V_IL (AC)
V_OH
V_OL
Output supply voltage
Reference voltage
Termination voltage
High-level DC input voltage
Low-level DC input voltage
High-level AC input voltage
Low-level AC input voltage
High-level output voltage
Low-level output voltage
I_OH = –6.7 mA (1)
I_OL = 6.7 mA (1)
1.71
0.855
V_REF – 0.04
V_REF + 0.125
V_REF + 0.25
V_TT + 0.475
Typical
1.8
0.9
V_REF
Maximum Unit
1.89
V
0.945
V
V_REF + 0.04 V
V
V_REF – 0.125 V
V
V_REF – 0.25 V
V
V_TT – 0.475 V
Note to Table 4–35:
(1) This specification is supported across all the programmable drive settings available for this I/O standard as shown
in the Stratix II GX Architecture chapter in volume 1 of the Stratix II GX Device Handbook.
Table 4–36. SSTL-18 Class II Specifications
Symbol
Parameter
Conditions
Minimum
V_CCIO Output supply voltage
V_REF Reference voltage
V_TT
Termination voltage
V_IH (DC) High-level DC input voltage
V_IL (DC) Low-level DC input voltage
V_IH (AC) High-level AC input voltage
V_IL (AC) Low-level AC input voltage
V_OH
High-level output voltage
V_OL
Low-level output voltage
I_OH = –13.4 mA (1)
I_OL = 13.4 mA (1)
1.71
0.855
V_REF – 0.04
V_REF + 0.125
V_REF + 0.25
V_CCIO – 0.28
Typical
1.8
0.9
V_REF
Maximum Unit
1.89
V
0.945
V
V_REF + 0.04 V
V
V_REF – 0.125 V
V
V_REF – 0.25 V
V
0.28
V
Note to Table 4–36:
(1) This specification is supported across all the programmable drive settings available for this I/O standard as shown
in the Stratix II GX Architecture chapter in volume 1 of the Stratix II GX Device Handbook.
4–50
Stratix II GX Device Handbook, Volume 1
Altera Corporation
June 2009