1–8
Chapter 1: Cyclone IV Device Datasheet
Operating Conditions
Table 1–7. Bus Hold Parameter for Cyclone IV Devices (Part 2 of 2) (1)
V
CCIO (V)
Parameter
Condition
1.2
1.5
1.8
2.5
3.0
3.3
Unit
Min Max Min
Max Min Max Min Max Min Max Min Max
Bus hold trip
point
—
0.3
0.9 0.375 1.125 0.68 1.07 0.7
1.7
0.8
2
0.8
2
V
Note to Table 1–7:
(1) Bus hold trip points are based on the calculated input voltages from the JEDEC standard.
OCT Specifications
Table 1–8 lists the variation of OCT without calibration across process, temperature,
and voltage (PVT).
Table 1–8. Series OCT Without Calibration Specifications for Cyclone IV Devices
Resistance Tolerance
Industrial, Extended
industrial, and
Automotive Maximum
Description
V
CCIO (V)
Unit
Commercial Maximum
3.0
2.5
1.8
1.5
1.2
30
30
40
50
50
40
40
50
50
50
%
%
%
%
%
Series OCT without
calibration
OCT calibration is automatically performed at device power-up for OCT-enabled
I/Os.
Table 1–9 lists the OCT calibration accuracy at device power-up.
Table 1–9. Series OCT with Calibration at Device Power-Up Specifications for Cyclone IV Devices
Calibration Accuracy
Industrial, Extended
industrial, and
Automotive Maximum
Description
VCCIO (V)
Unit
Commercial Maximum
3.0
2.5
1.8
1.5
1.2
10
10
10
10
10
10
10
10
10
10
%
%
%
%
%
Series OCT with
calibration at device
power-up
Cyclone IV Device Handbook,
Volume 3
March 2016 Altera Corporation
INTEL [ INTEL ]
