EP2SGX30C Datasheet, PDF (222/314 Pages) Altera Corporation – Stratix II GX Device

Operating Conditions
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
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 4–41. 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
V_OH
High-level output voltage I_OH = 8 mA
V_OL
Low-level output voltage I_OH = –8 mA
Minimum
1.14
0.48 V_CCIO
V_REF + 0.08
–0.15
V_REF + 0.15
–0.24
V_REF + 0.15
–0.15
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
V_CCIO + 0.15
V_REF – 0.15
Unit
V
V
V
V
V
V
V
V
4–52
Stratix II GX Device Handbook, Volume 1
Altera Corporation
October 2007