detecting odd number 8-bit number

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julian403

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Hello, for a 8 bit number I have to do a combinational circuit which detect if the number is odd.

I searched a pattern but there isn't. What ca I do? I can't do a karnaugh for 8 bit word
 

Vbase is correct. Just monitor the LSB for high and low. On basis of that reading you can able to get the odd or even number.
 
What do you think i must to do? Put a yes gates or a buffer or just take the bit. For the impedance I meands
 

Simple, just the bit:

bit0 (LSb) ----> ODD signal

Can you elaborate on your design requirements? Are you implementing this design using a FPGA or CPLD?

Really no need for additional gates, unless you need a latch or a buffer to retain the signal state, of course technically at that point it no longer is classified as a combinational logic, but as sequential logic.

BigDog
 
Well, you really don't need a circuit element to do that in FPGAs. Just a wire connecting the LSB of the 8-bits number to the ODD Signal. But better help could be provided if you could throw some more light upon your requirements.

MSBR
 
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