[sdiy] 4-bit encoder?

[Chris Juried]

Hey,

Saw the post on logic. I have recently added tons of DIP Logic that may be beneficial to the project. All TI, Fairchild/ON Semiconductor, NEC, Phillips, etc Authentic chips. I am getting ready to start a few of my own builds and look forward to checking out some of the projects, here. Should be an amazing journey. I was watching "LOOK MUM NO COMPUTER" on Youtube, last night, and my level of inspiration immediately jumped. Should be an amazing journey.

Sincerely,     

Chris 
https://juriedengineering.com/


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On Sunday, October 11, 2020, 04:11:15 PM EDT, Oren Leavitt <obl64 at ix.netcom.com> wrote: 






You could probably do this with two 4532 8-bit priority encoders.


Could even do it with a diode matrix if space was not an issue :)


On 10/11/20 2:27 PM, Ben Stuyts wrote:


>  



>  
> On 11 Oct 2020, at 20:36, David G Dixon <dixon at mail.ubc.ca> wrote:
> 
> 
>  

I'm currently waist deep in a digital logic design problem, and I will need a 4-bit decoder and a 4-bit encoder.  For the decoder, I will use CD4514 or equivalent.  However, I'm not finding any comparable chip for the encoder.  At this point, I am resigned to making my own 4-bit encoder from two 3-bit encoders (CD4532) and a quad OR gate (CD4071).

 

My question to the group is this:  Do you know of an actual 4-bit encoder IC?





There’s tons of 10 to 4 encoders, but I don’t see 16 to 4 either. What VCC range and speed do you need? Maybe use a PAL (like a 22V10) if you have the tools for that. Or if speed is not an issue, just use a tiny microcontroller.




Ben






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