CV-51002
2015.12.04
12
OCT Calibration Accuracy Specifications
Table 8: OCT Calibration Accuracy Specifications for Cyclone V Devices
Calibration accuracy for the calibrated on-chip series termination (RS OCT) and on-chip parallel termination (RT OCT) are applicable at the moment of
calibration. When process, voltage, and temperature (PVT) conditions change after calibration, the tolerance may change.
Calibration Accuracy
Symbol
Description
Condition (V)
Unit
–C6
–I7, –C7
–C8, –A7
25-Ω RS
Internal series termination with VCCIO = 3.0, 2.5, 1.8, 1.5,
calibration (25-Ω setting) 1.2
15
15
15
%
50-Ω RS
Internal series termination with VCCIO = 3.0, 2.5, 1.8, 1.5,
calibration (50-Ω setting) 1.2
15
15
15
15
15
15
%
%
34-Ω and 40-Ω RS
Internal series termination with VCCIO = 1.5, 1.35, 1.25,
calibration (34-Ω and 40-Ω
setting)
1.2
48-Ω, 60-Ω, and 80- Internal series termination with VCCIO = 1.2
15
15
15
%
Ω RS
calibration (48-Ω, 60-Ω, and
80-Ω setting)
50-Ω RT
Internal parallel termination
with calibration (50-Ω setting)
VCCIO = 2.5, 1.8, 1.5, 1.2
VCCIO = 1.5, 1.35, 1.25
–10 to +40
–10 to +40
–10 to +40
–10 to +40
–10 to +40
–10 to +40
%
%
20-Ω, 30-Ω, 40-Ω,60- Internal parallel termination
Ω, and 120-Ω RT
with calibration (20-Ω, 30-Ω,
40-Ω, 60-Ω, and 120-Ω setting)
60-Ω and 120-Ω RT Internal parallel termination
with calibration (60-Ω and 120-
Ω setting)
VCCIO = 1.2
–10 to +40
15
–10 to +40
15
–10 to +40
15
%
%
25-Ω RS_left_shift
Internal left shift series
VCCIO = 3.0, 2.5, 1.8, 1.5,
1.2
termination with calibration
(25-Ω RS_left_shift setting)
Cyclone V Device Datasheet
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