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- 4th January 2007, 16:59 #1

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## Looking for an 8 bit combinational comparator circuit diagram

hi

i am looking for an 8 bit combinational comparator circuit diagram..........

if u have please help me.....

- 4th January 2007, 16:59

- 4th January 2007, 17:07 #2

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## 8 bit comparator

try the 74 series and 40 , 45 series index you will find this comparator .

- 4th January 2007, 17:07

- 5th January 2007, 08:29 #3

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## 8-bit comparator

i think u ll find here ur answer.

hXXp://pages.cpsc.ucalgary.ca/~walpole/325/LECTURES/22%20Combinational%20logic%20systems.html

if i guessed it, press the HELPED button 4 me !

- 5th January 2007, 08:29

- 5th January 2007, 08:51 #4
## circuit diagram of 4 bit comparator

The circuir diagram of a single stage camparator for 8 bits would be extremely complicated, instead u can use two four-bit-comparators in vascade. These comparators are really easy to design drawing upon Karnough Maps. PM me if u dont know how to design these.

- 5th January 2007, 19:41 #5

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## ppt 5 bit comparator

There is 7485 - 4-bit comparator, but they can be cascaded for more bits (there is internal schematic) :

http://noel.feld.cvut.cz/semi/motoro...74hc85rev6.pdf

- 6th January 2007, 03:58 #6
## how to design 8 bit comparator?

http://www.ecse.rpi.edu/Homepages/na...ter_6_6_10.ppt

There is a good PPT in this link...........and has the diagram for it also..........

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