DK-DEV-4SGX230N Altera, DK-DEV-4SGX230N Datasheet - Page 16

• Manufacturer Part Number: DK-DEV-4SGX230N
• Description: KIT DEVELOPMENT STRATIX IV
• Manufacturer: Altera
• Series: Stratix® IVr
• Type: FPGAr

Specifications of DK-DEV-4SGX230N

• Contents: Development Board, Universal Power Supply, Cables and Software
• Silicon Manufacturer: Altera
• Core Architecture: FPGA
• Core Sub-architecture: Stratix
• Silicon Core Number: EP4S
• Silicon Family Name: Stratix IV GX
• Rohs Compliant: Yes
• For Use With/related Products: EP4SGX230K
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 544-2594

Chapter 1: DC and Switching Characteristics for Stratix IV Devices
Electrical Characteristics
Table 1–11. OCT Without Calibration Resistance Tolerance Specifications for Stratix IV Devices
April 2011 Altera Corporation
25-Ω R
3.0 and 2.5
25-Ω R
1.8 and 1.5
25-Ω R
1.2
50-Ω R
3.0 and 2.5
50-Ω R
1.8 and 1.5
50-Ω R
1.2
100-Ω R
2.5
Symbol
S
S
S
S
S
S
D
The calibration accuracy for calibrated series and parallel OCTs are applicable at the
moment of calibration. When process, voltage, and temperature (PVT) conditions
change after calibration, the tolerance may change.
without calibration resistance tolerance to PVT changes.
OCT calibration is automatically performed at power-up for OCT-enabled I/Os.
Table 1–12
calibration. Use
and
Equation 1–1. OCT Variation Without Re-Calibration
Notes to
(1) The R
(2) R
(3) ΔT is the variation of temperature with respect to the temperature at power-up.
(4) ΔV is the variation of voltage with respect to the V
(5) dR/dT is the percentage change of R
(6) dR/dV is the percentage change of R
Internal series termination
without calibration (25-Ω
setting)
Internal series termination
without calibration (25-Ω
setting)
Internal series termination
without calibration (25-Ω
setting)
Internal series termination
without calibration (50-Ω
setting)
Internal series termination
without calibration (50-Ω
setting)
Internal series termination
without calibration (50-Ω
setting)
Internal differential
termination (100-Ω setting)
and V
Equation 1–1
SCAL
Equation
CCIO
OCT
is the OCT resistance value at power-up.
Description
.
value calculated from
lists OCT variation with temperature and voltage after power-up
1–1:
Table 1–12
to determine the OCT variation without re-calibration.
R
OCT
Equation 1–1
to determine the OCT variation after power-up calibration
=
V
V
V
V
CCIO
CCIO
CCIO
CCIO
SCAL
SCAL
R
SCAL
V
V
V
Conditions
with temperature.
with voltage.
= 3.0 and 2.5 V
= 1.8 and 1.5 V
CCIO
= 3.0 and 2.5 V
= 1.8 and 1.5 V
CCIO
CCIO
Stratix IV Device Handbook Volume 4: Device Datasheet and Addendum
shows the range of OCT resistance with the variation of temperature
⎛
⎝
= 1.2 V
= 1.2 V
= 2.5 V
1
+
CCIO
〈
dR
------ -
at power-up.
dT
×
(Note
ΔT
〉
±
± 30
± 30
± 35
± 30
± 30
± 35
± 25
Table 1–11
C2
〈
1), (2), (3), (4), (5),
dR
------ -
dV
Resistance Tolerance
×
ΔV
C3,I3
〉
lists the Stratix IV OCT
± 40
± 40
± 50
± 40
± 40
± 50
± 25
⎞
⎠
(6)
C4,I4
± 40
± 40
± 50
± 40
± 40
± 50
± 25
Unit
%
%
%
%
%
%
%
1–8