EP2SGX30C Datasheet, PDF (221/314 Pages) Altera Corporation – Stratix II GX Device

DC and Switching Characteristics
Table 4–38. SSTL-2 Class I Specifications
Symbol
V_CCIO
V_TT
V_REF
V_IH (DC)
V_IL (DC)
V_IH (AC)
V_IL (AC)
V_OH
V_OL
Parameter
Output supply voltage
Termination voltage
Reference 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
Conditions
I_OH = –8.1 mA (1)
I_OL = 8.1 mA (1)
Minimum
2.375
V_REF – 0.04
1.188
V_REF + 0.18
–0.3
V_REF + 0.35
V_TT + 0.57
Typical
2.5
V_REF
1.25
Maximum Unit
2.625
V
V_REF + 0.04 V
1.313
V
3.0
V
V_REF – 0.18 V
V
V_REF – 0.35 V
V
V_TT – 0.57 V
Note to Table 4–38:
(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 4–39. SSTL-2 Class II Specifications
Symbol
Parameter
Conditions
Minimum
V_CCIO
V_TT
V_REF
V_IH (DC)
V_IL (DC)
V_IH (AC)
V_IL (AC)
V_OH
V_OL
Output supply voltage
Termination voltage
Reference 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
2.375
V_REF – 0.04
1.188
V_REF + 0.18
–0.3
V_REF + 0.35
I_OH = –16.4 mA (1) V_TT + 0.76
I_OL = 16.4 mA (1)
Typical
2.5
V_REF
1.25
Maximum Unit
2.625
V
V_REF + 0.04 V
1.313
V
V_CCIO + 0.3 V
V_REF – 0.18 V
V
V_REF – 0.35 V
V
V_TT – 0.76 V
Note to Table 4–39:
(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.
Altera Corporation
October 2007
4–51
Stratix II GX Device Handbook, Volume 1