1–6
Chapter 1: Cyclone III Device Datasheet
Electrical Characteristics
Table 1–5. Cyclone III Devices Bus Hold Parameter
(Part 2 of 2)
(1)
V
CCIO
(V)
Parameter
Condition
Min
Bus-hold
low,
overdrive
current
Bus-hold
high,
overdrive
current
Bus-hold trip
point
Note to
(1) The bus-hold trip points are based on calculated input voltages from the JEDEC standard.
1.2
Max
Min
1.5
Max
Min
1.8
Max
Min
2.5
Max
3.0
Min
Max
3.3
Min
Max
Unit
0 V < V
IN
< V
CCIO
—
125
—
175
—
200
—
300
—
500
—
500
A
0 V < V
IN
< V
CCIO
—
–125
—
–175
—
–200
—
–300
—
–500
—
–500
A
—
0.3
0.9
0.375 1.125
0.68
1.07
0.7
1.7
0.8
2
0.8
2
V
OCT Specifications
lists the variation of OCT without calibration across process, temperature,
and voltage.
Table 1–6. Cyclone III Devices Series OCT without Calibration Specifications
Resistance Tolerance
Description
V
CCIO
(V)
3.0
2.5
Series OCT without
calibration
1.8
1.5
1.2
Commercial
Max
±30
±30
+40
+50
+50
Industrial and Automotive
Max
±40
±40
±50
±50
±50
Unit
%
%
%
%
%
OCT calibration is automatically performed at device power-up for OCT enabled
I/Os.
lists the OCT calibration accuracy at device power-up.
Table 1–7. Cyclone III Devices Series OCT with Calibration at Device Power-Up Specifications
Calibration Accuracy
Description
V
CCIO
(V)
3.0
Series OCT with
calibration at device
power-up
2.5
1.8
1.5
1.2
Commercial Max
±10
±10
±10
±10
±10
Industrial and Automotive
Max
±10
±10
±10
±10
±10
Unit
%
%
%
%
%
July 2012 Altera Corporation
ALTERA [ ALTERA CORPORATION ]
