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#1
10-06-2007, 02:43 PM
 penotskie New Member Join Date: Oct 2007 Posts: 7
MOD 32 even and odd counter using IC 7473

Can u help my pls? only the diagram for MOD 32 even counter and odd counter.. pls send me the diagram to my email add penotskie@yahoo.com...
#2
10-06-2007, 04:09 PM
 techroomt Senior Member Join Date: May 2004 Location: pennsylvania Posts: 198

i'm not sure what you are looking for. a counter made of flip flops, ic's, gates? what have you so far?
#3
10-06-2007, 04:17 PM
 penotskie New Member Join Date: Oct 2007 Posts: 7
IC 7473 are made of flipflop

Do you have a diagram there? any kind of IC's, gates that can count even numbers...
#4
10-06-2007, 04:22 PM
 penotskie New Member Join Date: Oct 2007 Posts: 7

Pls help me.. diagram of a counter using flipflop or ic's that can count up to 31 and the output would be even numbers...

Last edited by penotskie; 10-06-2007 at 05:00 PM.
#5
10-06-2007, 04:59 PM
 penotskie New Member Join Date: Oct 2007 Posts: 7

Pls help me.. diagram of a counter using flipflop or ic's that can count up to 31 and the output would be even numbers...
#6
10-06-2007, 05:29 PM
 hgmjr Super Moderator Join Date: Jan 2005 Location: Tennessee, USA (GMT-6) Posts: 9,030 Blog Entries: 11

How about if you just build a 0 to 15 binary counter and then always force the least significant bit (Bit0) of the output to be a zero. Bit0 from the 4-bit counter will be Bit1 of the output, Bit1 of the 4-bit counter will be the Bit2 of the output, Bit2 of the 4-bit counter will be Bit3 of the output and Bit3 of the 4-bit counter will be Bit4 of the output.

hgmjr
#7
10-06-2007, 06:01 PM
 penotskie New Member Join Date: Oct 2007 Posts: 7

hmm but i need 5bit binary counter... is a decoder needed for 5bit?
#8
10-06-2007, 06:09 PM
 hgmjr Super Moderator Join Date: Jan 2005 Location: Tennessee, USA (GMT-6) Posts: 9,030 Blog Entries: 11

This is 5 bits. Bit0 of the output is always the value 0. This insures that the output is even. Then the four bits from the 4-bit counter make up bits 1 thru 4 of the output.

hgmjr
#9
10-06-2007, 06:11 PM
 penotskie New Member Join Date: Oct 2007 Posts: 7

Do you have a diagram? because im a beginner with this counter.. i uses workbench..
#10
10-06-2007, 06:24 PM
 hgmjr Super Moderator Join Date: Jan 2005 Location: Tennessee, USA (GMT-6) Posts: 9,030 Blog Entries: 11

It is really very straightforward. Build a textbook 4-bit counter the output of which would be as follows

Code:
```
Output of 4-bit counter would look like this:

BBBB DEC
3210
----
0000  0
0001  1
0010  2
0011  3
0100  4
...
1100 12
1101 13
1110 14
1111 15

The next step would be to append a constant "0" and
promote the four outputs from the 4-bit counter.

BBBB B  DEC
4321 0
------
0000 0  0
0001 0  2
0010 0  4
0011 0  6
0100 0  8
......
1100 0 24
1101 0 26
1110 0 28
1111 0 30```
Select All
Does that make it clearer?

hgmjr

 Tags 7473, counter, mod, odd

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