[sdiy] 4-bit encoder?

[Ben Stuyts]

> 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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