Timeline for How does the 4017B Decade Counter work?
Current License: CC BY-SA 3.0
7 events
| when toggle format | what | by | license | comment | |
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| Jul 15, 2013 at 8:26 | comment | added | JIm Dearden | @IgnacioVazquez-Abrams And to replicate the effect you need to know how the 4017 functions. This becomes important when you want to decode. By using a Johnson counter you simplify the decoding but the cost is more D type flip flops. | |
| Jul 14, 2013 at 23:21 | comment | added | Ignacio Vazquez-Abrams | @JImDearden: I have a feeling that the asker is more interested in replicating the effect than in duplicating the exact functionality. | |
| Jul 14, 2013 at 12:38 | comment | added | JIm Dearden | Yes the 4017 uses D flips, No The 4017 is a Johnson ring 5 stage counter not a binary counter see electronics-tutorials.ws/sequential/seq_6.html This simplifies the decoding to a simple 2 input and gate for each stage. | |
| Jul 14, 2013 at 9:53 | vote | accept | Jacob Clark | ||
| Jul 14, 2013 at 9:48 | comment | added | Ignacio Vazquez-Abrams | It takes the binary output of the flip-flops and enables one of ten pins depending on what the value is. | |
| Jul 14, 2013 at 9:47 | comment | added | Jacob Clark | Thankyou. Could you explain however what the decode does? I presume this just takes the logical input and produces an ON or OFF state? | |
| Jul 14, 2013 at 9:46 | history | answered | Ignacio Vazquez-Abrams | CC BY-SA 3.0 |