[sdiy] 4-bit encoder?

[Oren Leavitt]

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 
>> <mailto: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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