EP2SGX30CF780C5N Datasheet, PDF (222/316 Pages) Altera Corporation – Section I. Stratix II GX Device Data Sheet

Operating Conditions
Table 4–39. SSTL-2 Class II Specifications
Symbol
Parameter
Conditions
Minimum
V_IH (DC)
V_IL (DC)
V_IH (AC)
V_IL (AC)
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
Low-level output voltage
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
Maximum Unit
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.
Table 4–40. SSTL-2 Class I and II Differential Specifications
Symbol
Parameter
V_CCIO
Output supply voltage
V_SWING (DC) DC differential input voltage
V_X (AC)
AC differential input cross
point voltage
V_SWING (AC) AC differential input voltage
V_ISO
Input clock signal offset
voltage
ΔV_ISO
Input clock signal offset
voltage variation
V_OX (AC)
AC differential output cross
point voltage
Conditions Minimum
2.375
0.36
(V_CCIO/2) – 0.2
0.7
(V_CCIO/2) – 0.2
Typical
2.5
0.5 V_CCIO
200
Maximum Unit
2.625
V
V
(V_CCIO/2) + 0.2 V
V
V
mV
(V_CCIO/2) + 0.2 V
Table 4–41. 1.2-V HSTL Specifications
Symbol
Parameter
Conditions
V_CCIO Output supply voltage
V_REF Reference 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
Minimum
1.14
0.48 V_CCIO
V_REF + 0.08
–0.15
V_REF + 0.15
–0.24
Typical
1.2
0.5 V_CCIO
Maximum
1.26
0.52 V_CCIO
V_CCIO + 0.15
V_REF – 0.08
V_CCIO + 0.24
V_REF – 0.15
Unit
V
V
V
V
V
V
4–52
Stratix II GX Device Handbook, Volume 1
Altera Corporation
June 2009