Cyclone V Device Datasheet
CV-51002 | 2019.01.25
OCT Without Calibration Resistance Tolerance Specifications
Table 10.
OCT Without Calibration Resistance Tolerance Specifications for Cyclone V Devices
This table lists the Cyclone V OCT without calibration resistance tolerance to PVT changes.
Symbol
Description
Condition (V)
Resistance Tolerance
Unit
–C6
–I7, –C7
–C8, –A7
25-Ω RS
25-Ω RS
25-Ω RS
50-Ω RS
50-Ω RS
50-Ω RS
100-Ω RD
Internal series termination without
calibration (25-Ω setting)
VCCIO = 3.0, 2.5
±30
±40
±40
%
%
%
%
%
%
%
Internal series termination without
calibration (25-Ω setting)
VCCIO = 1.8, 1.5
VCCIO = 1.2
±30
±35
±30
±30
±35
±25
±40
±50
±40
±40
±50
±40
±40
±50
±40
±40
±50
±40
Internal series termination without
calibration (25-Ω setting)
Internal series termination without
calibration (50-Ω setting)
VCCIO = 3.0, 2.5
VCCIO = 1.8, 1.5
VCCIO = 1.2
Internal series termination without
calibration (50-Ω setting)
Internal series termination without
calibration (50-Ω setting)
Internal differential termination (100-Ω
setting)
VCCIO = 2.5
Figure 2.
Equation for OCT Variation Without Recalibration
The definitions for the equation are as follows:
•
•
•
The ROCT value calculated shows the range of OCT resistance with the variation of temperature and VCCIO
.
RSCAL is the OCT resistance value at power-up.
ΔT is the variation of temperature with respect to the temperature at power up.
Cyclone V Device Datasheet
15
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