737 Four-bit adder tiny tapeout
737 : Four-bit adder tiny tapeout
- Author: Aditya Choudhuri, Duke Liu
- Description: Outputs the number of inputs that are on.
- GitHub repository
- Open in 3D viewer
- View in Wokwi
- Clock: 0 Hz
How it works
The inputs correspond to bits, and it's combined with half adders and full adders to produce a four-bit added output.
How to test
Set the inputs on or off and check if the output represents their sum in binary.
Where out0 is LSB, and out2 is the MSB.
External hardware
List external hardware used in your project (e.g. PMOD, LED display, etc), if any
IO
| # | Input | Output | Bidirectional |
|---|---|---|---|
| 0 | inputA | The 2^0 output of the sum of how many of the inputs are on, represented as a binary number. | |
| 1 | inputB | The 2^1 output of the sum of how many of the inputs are on, represented as a binary number. | |
| 2 | inputC | The 2^2 output of the sum of how many of the inputs are on, represented as a binary number. | |
| 3 | inputD | ||
| 4 | |||
| 5 | |||
| 6 | |||
| 7 |