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BCD to 7 segment display

ParulJ

Apr 3, 2019
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How can we display digit 8 using HFE4511bp decoder, if we are using only 3 input pins and 4th input pin is being used for something else
 

Harald Kapp

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The truth table on page 4 in this datasheet tells you every input/output combination. There are two sets of input data that generate an "8" at the output.
 

AnalogKid

Jun 10, 2015
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I had a longer response, and erased it. As above, read the datasheet.

ak
 

hevans1944

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How can we display digit 8 using HFE4511bp decoder, if we are using only 3 input pins and 4th input pin is being used for something else
Oh, really? And for what, pray tell, is the fourth input pin being used?

[Mod edit: answer deleted - homework!]
 
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AnalogKid

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[Mod edit: Quote containing answer deleted]
Note that the idea was to get him to figure that out for himself.

ak
 
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hevans1944

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Oops! I didn't notice this question was in the Homework Forum. My bad. The reply that @Harald Kapp made in his post #2 says all that needs to be said. I will ask no more "trick" questions. Moderator, please close this thread.
 

hevans1944

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Maybe the op needs a bit more help?
That's probably true, but given that there has been no reply, no dialog established, nor any further questions asked by the op, I would flag this as a "drive-by" poster who is not interested in learning how to read a datasheet but just wants someone to provide a quick and painless answer to their homework problem.
 
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