EP2S15 ALTERA [Altera Corporation], EP2S15 Datasheet - Page 154

• Manufacturer Part Number: EP2S15
• Description: Stratix II Device Family
• Manufacturer: ALTERA [Altera Corporation]

Operating Conditions
5–18
Stratix II Device Handbook, Volume 1
Notes for
(1)
(2)
50-Ω R
3.3/2.5
50-Ω R
2.5
25-Ω R
1.8
50-Ω R
1.8
50-Ω R
1.8
50− Ω R
1.5
50-Ω R
1.5
50− Ω R
1.2
50-Ω R
1.2
Table 5–30. Series On-Chip Termination Specification for Top & Bottom I/O Banks (Part 2 of 2)
Notes (1)
Symbol
The resistance tolerances for calibrated SOCT and POCT are for the moment of calibration. If the temperature or
voltage changes over time, the tolerance may also change.
On-chip parallel termination with calibration is only supported for input pins.
S
S
S
T
S
S
T
T
T
Table
,
2
Internal series termination with
calibration (50-Ω setting)
Internal series termination without
calibration (50-Ω setting)
Internal parallel termination with
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 parallel termination with
calibration (50-Ω setting)
Internal series termination with
calibration (50-Ω setting)
Internal series termination without
calibration (50-Ω setting)
Internal parallel termination with
calibration (50-Ω setting)
Internal series termination with
calibration (50-Ω setting)
Internal series termination without
calibration (50-Ω setting)
Internal parallel termination with
calibration (50-Ω setting)
5–30:
Description
V
V
V
V
V
V
V
V
V
V
V
V
V
V
C C I O
C C I O
C C I O
C C I O
C C I O
C C I O
C C I O
C C I O
C C I O
C C I O
C C I O
C C I O
C C I O
C C I O
Conditions
= 3.3/2.5 V
= 3.3/2.5 V
= 1.8 V
= 1.8 V
= 1.8 V
= 1.8 V
= 1.8 V
= 1.8 V
= 1.5 V
= 1.5 V
= 1.5 V
= 1.2 V
= 1.2 V
= 1.2 V
Commercial
Max
±30
±30
±30
±30
±10
±36
±10
±50
±10
±5
±5
±5
±8
±8
Resistance Tolerance
Industrial
Altera Corporation
Max
±10
±30
±30
±10
±30
±10
±30
±15
±10
±36
±15
±10
±50
±15
May 2007
Unit
%
%
%
%
%
%
%
%
%
%
%
%
%
%