RE: Threshold of the ports:

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10/24/00 14:30
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#5978 - RE: Threshold of the ports:

Hi Simon,

> Yup its exactly 1.9volts.

The right meaning is:
All voltages above 1.9V are detected as high and all below 0.9V as low.
The state on voltages between 0.9V and 1.9V is undefined.
So the real trigger threshold must be somewhere in this range.

And, if you read the formula in the data sheet, these levels are only right at 5V. On other VCC, these values must be calculated again.

Try mathematics, you need it.

Peter

List of 12 messages in thread

Topic Author Date
Threshold of the ports:              01/01/70 00:00
RE: Threshold of the ports:              01/01/70 00:00
RE: Threshold of the ports:              01/01/70 00:00
RE: Threshold of the ports:              01/01/70 00:00
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RE: Threshold of the ports:              01/01/70 00:00
RE: Threshold of the ports:              01/01/70 00:00
RE: Threshold of the ports:              01/01/70 00:00

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Topic	Author	Date
Threshold of the ports:		01/01/70 00:00
RE: Threshold of the ports:		01/01/70 00:00
RE: Threshold of the ports:		01/01/70 00:00
RE: Threshold of the ports:		01/01/70 00:00
RE: Threshold of the ports:		01/01/70 00:00
RE: Threshold of the ports:		01/01/70 00:00
RE: Threshold of the ports:		01/01/70 00:00
RE: Threshold of the ports:		01/01/70 00:00
RE: Threshold of the ports:		01/01/70 00:00
RE: Threshold of the ports:		01/01/70 00:00
RE: Threshold of the ports:		01/01/70 00:00
*RE: Threshold of the ports:*		01/01/70 00:00