Asynchronous Counters using J/K Flip Flops

M

Men'sRights

New Member

• May 13, 2009

• #1

does anyone know how to do a 4-bit asynchronous up counter from 0 to 12??

Thanks

 

earjun

New Member

• May 13, 2009

• #2

Hey this is an easy thing ..
You may refer to digital fundamentals by anand kumar.
Its very clearly given in that..

 

M

Men'sRights

New Member

• May 13, 2009

• #3

Where is that??

 

earjun

New Member

• May 13, 2009

• #4

If you are studying in any college or university you may find it from your library.Or just check in google...

 

M

Men'sRights

New Member

• May 14, 2009

• #5

yeah i'm still in high school

 

ericgibbs

Well-Known Member

Most Helpful Member

• May 14, 2009

• #6

Men'sRights said:

yeah i'm still in high school

Click to expand...

hi,
On the Chat yesterday, you have a 74LS93A.??? and a AND/NAND gate.????

Connect the Gate to detect '13' and use the output to RESET the 74LS93.OK

As the 74LS93 is an asychronous counter [ ie: ripple thru] you will require to filter the output from the Gate using a simple Res/Cap filter.

 

Last edited: May 14, 2009

M

Men'sRights

New Member

• May 14, 2009

• #7

thanks dude.

 

ericgibbs

Well-Known Member

Most Helpful Member

• May 14, 2009

• #8

Men'sRights said:

thanks dude.

Click to expand...

hi,
post a sketch of your planned circuit.

 

M

Men'sRights

New Member

• May 14, 2009

• #9

yeah when i finish it i will