Half Adder Using Basic Gates

Step-by-Step Procedure

1. Click on 'Next' button to Add IC-74LS86 (Ex-OR Gate)
2. Click on 'Next' button to Add IC-74LS08 (AND Gate)
3. Click on 'Next' button to Connect GND and VCC of both IC
4. Click on 'Next' button to Connect Input-A to Pin-1 of Ex-OR Gate
5. Click on 'Next' button to Connect Input-B to Pin-2 of Ex-OR Gate
6. Click on 'Next' button to Connect Output of Ex-OR Gate to Output port as 'SUM'
7. Click on 'Next' button to Connect same Input-A to Pin-1 of AND Gate
8. Click on 'Next' button to Connect same Input-B to Pin-2 of AND Gate
9. Click on 'Next' button to Connect Output of AND Gate to Output port as 'CARRY'.

Block Diagram

ICs used in this circuit with pin diagram

74LS08

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74LS08

Quad 2-input AND Gates

74LS86

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74LS86

Quad 2-input Exclusive-OR Gates

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