HC230 ALTERA [Altera Corporation], HC230 Datasheet - Page 61
HC230
Manufacturer Part Number
HC230
Description
HardCopy II Device Family
Manufacturer
ALTERA [Altera Corporation]
Datasheet
1.HC230.pdf
(228 pages)
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On-Chip
Termination
Specifications
Altera Corporation
September 2008
Notes to
(1)
(2)
(3)
25 Ω R
3.3/2.5
50 Ω R
3.3/2.5
25 Ω R
1.8
50 Ω R
1.8
50 Ω R
1.5
Table 4–29. Series On-Chip Termination Specification for I/O Banks Supporting Memory Interface IOEs for
HC210W
Symbol
For information on which I/O banks support memory interface IOEs, refer to the Description, Architecture, and
Features chapter in the HardCopy II Device Family Data Sheet section in volume 1 of the HardCopy Series Handbook.
The resistance tolerances for calibrated SOCT and POCT are at the time of initial of calibration. If the temperature
or voltage changes over time, the tolerance may also change.
This table applies only to the HC210W device.
S
S
S
S
S
Table
Internal series termination with
calibration (25-Ω setting)
Internal series termination
without calibration (25-Ω setting)
Internal series termination with
calibration (50-Ω setting)
Internal series termination
without calibration (50-Ω setting)
Internal series termination with
calibration (25-Ω setting)
Internal series termination
without calibration (25-Ω setting)
Internal series termination with
calibration (50-Ω setting)
Internal series termination
without calibration (50-Ω setting)
Internal series termination with
calibration (50-Ω setting)
Internal series termination
without calibration (50-Ω setting)
Notes
4–29:
(1), (2),
Description
(3)
Table 4–29
when using series or differential on-chip termination for HC210W
devices only.
defines the specification for internal termination specification
V
V
V
V
CC IO
CC IO
CC IO
CC IO
V
V
V
V
V
V
Conditions
CC IO
CC IO
CC IO
CC IO
CC IO
CC IO
= 3.3/2.5 V
= 3.3/2.5 V
= 3.3/2.5 V
= 3.3/2.5 V
= 1.8 V
= 1.8 V
= 1.8 V
= 1.8 V
= 1.5 V
= 1.5 V
Commercial
On-Chip Termination Specifications
± 10
± 30
± 10
± 30
± 10
± 30
± 10
± 30
± 13
± 36
Max
Resistance Tolerance
Industrial
± 30
± 15
± 30
± 15
± 30
± 15
± 30
± 36
Max
± 15
± 15
Unit
%
%
%
%
%
%
%
%
%
%
4–19
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