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3
questions
2
votes
1
answer
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74LS47/74LS247 BI/RBO-pin usage
I am currently playing around with a 74LS247 BCD to 7 segment decoder. The basic usage for decoding works perfectly fine.
But I would like to test out everything this IC has to offer including the ...
- 21
2
votes
2
answers
6k
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Possible to use 7447 to drive common-cathode 7 segment display?
I know that the 74(LS)47 is designed to drive common-anode displays. However, is it possible to make it drive a common-cathode display? What is the simplest (in terms of components) way of doing this?
- 445
1
vote
2
answers
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Difference between 7446,47 etc
I have looked in the data sheets, as well as the TI article, but I am still unsure of the answer to this question:
What is the practical difference between a 7446 ("BCD to 7 segment decoder/driver ...
- 445