Implement 4-Bit Magnitude Comparator using IC-74LS85

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Tutorial

Start by tapping on Next button.

1. Click on 'Next' button to Add IC-74LS85

Click on 'Next' button to Add IC-74LS85

2. Click on 'Next' button to Connect Ground and VCC Connections

Click on 'Next' button to Connect Ground and VCC Connections

3. Click on 'Next' button to Connect Data Input-1, First Connect A3

Click on 'Next' button to Connect Data Input-1, First Connect A3

4. Click on 'Next' button to Connect A2

Click on 'Next' button to Connect A2

5. Click on 'Next' button to Connect A1

Click on 'Next' button to Connect A1

6. Click on 'Next' button to Connect A0

Click on 'Next' button to Connect A0

7. Click on 'Next' button to Connect Data Input-2, First Connect B3

Click on 'Next' button to Connect Data Input-2, First Connect B3

8. Click on 'Next' button to Connect B2

Click on 'Next' button to Connect B2

9. Click on 'Next' button to Connect B1

Click on 'Next' button to Connect B1

10. Click on 'Next' button to Connect B0

Click on 'Next' button to Connect B0

11. Click on 'Next' button to connect Cascad Inputs A>B, A<B to GND Port for 4-Bit Magnitude Comparator

Click on 'Next' button to connect Cascad Inputs A>B, A<B to GND Port for 4-Bit Magnitude Comparator

12. Click on 'Next' button to Connect Cascad Input A=B to VCC Port

Click on 'Next' button to Connect Cascad Input A=B to VCC Port

13. Finally Connect outputs to output ports, Click on 'Next' button to connect A>B

Finally Connect outputs to output ports, Click on 'Next' button to connect A>B

14. Click on 'Next' button to Connect A=B

Click on 'Next' button to Connect A=B

15. Click on 'Next' button to Connect A<B

Click on 'Next' button to Connect A<B

Done

You have completed the tutorial. Power on the circuit to test the behavior.

Step-by-Step Procedure

Click on 'Next' button to Add IC-74LS85
Click on 'Next' button to Connect Ground and VCC Connections
Click on 'Next' button to Connect Data Input-1, First Connect A3
Click on 'Next' button to Connect A2
Click on 'Next' button to Connect A1
Click on 'Next' button to Connect A0
Click on 'Next' button to Connect Data Input-2, First Connect B3
Click on 'Next' button to Connect B2
Click on 'Next' button to Connect B1
Click on 'Next' button to Connect B0
Click on 'Next' button to connect Cascad Inputs A>B, A<B to GND Port for 4-Bit Magnitude Comparator
Click on 'Next' button to Connect Cascad Input A=B to VCC Port
Finally Connect outputs to output ports, Click on 'Next' button to connect A>B
Click on 'Next' button to Connect A=B
Click on 'Next' button to Connect A<B