CV-51002
2015.12.04
11
Bus Hold Specifications
Bus Hold Specifications
Table 7: Bus Hold Parameters for Cyclone V Devices
The bus-hold trip points are based on calculated input voltages from the JEDEC standard.
VCCIO (V)
Parameter
Symbol 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,
low,
ISUSL
ISUSH
IODL
8
—
12
—
30
—
50
—
70
—
70
—
µA
V
IN > VIL
(max)
sustaining
current
Bus-hold,
high,
–8
—
—
125
–125
0.9
–12
—
—
–30
—
—
–50
—
—
300
–300
1.7
–70
—
—
500
–500
2
–70
—
—
500
–500
2
µA
µA
µA
V
VIN < VIH
(min)
sustaining
current
Bus-hold,
low,
0 V < VIN
< VCCIO
175
200
–200
1.07
overdrive
current
Bus-hold,
high,
IODH
0 V <VIN
<VCCIO
—
—
–175
—
—
—
—
overdrive
current
Bus-hold
trip point
VTRIP
—
0.3
0.375 1.125
0.68
0.7
0.8
0.8
OCT Calibration Accuracy Specifications
If you enable on-chip termination (OCT) calibration, calibration is automatically performed at power up for I/Os connected to the calibration
block.
Cyclone V Device Datasheet
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