About: Addition Circuit   Sponge Permalink

An Entity of Type : owl:Thing, within Data Space : 134.155.108.49:8890 associated with source dataset(s)

Here is a circuit for a 4-bit adder that uses only 2 Memory Banks . The picture shows the input and output for the circuit as well. The I/O takes up much more space than the circuit itself – the block on the right is the actual circuit. That’s all it takes! You program the primary memory bank with: 0123456789ABCDEF123456789ABCDEF023456789ABCDEF013456789ABCDEF012456789ABCDEF012356789ABCDEF012346789ABCDEF012345789ABCDEF012345689ABCDEF012345679ABCDEF012345678ABCDEF0123456789BCDEF0123456789ACDEF0123456789ABDEF0123456789ABCEF0123456789ABCDF0123456789ABCDE Compute the carry with:

AttributesValues
rdfs:label
  • Addition Circuit
rdfs:comment
  • Here is a circuit for a 4-bit adder that uses only 2 Memory Banks . The picture shows the input and output for the circuit as well. The I/O takes up much more space than the circuit itself – the block on the right is the actual circuit. That’s all it takes! You program the primary memory bank with: 0123456789ABCDEF123456789ABCDEF023456789ABCDEF013456789ABCDEF012456789ABCDEF012356789ABCDEF012346789ABCDEF012345789ABCDEF012345689ABCDEF012345679ABCDEF012345678ABCDEF0123456789BCDEF0123456789ACDEF0123456789ABDEF0123456789ABCEF0123456789ABCDF0123456789ABCDE Compute the carry with:
dcterms:subject
abstract
  • Here is a circuit for a 4-bit adder that uses only 2 Memory Banks . The picture shows the input and output for the circuit as well. The I/O takes up much more space than the circuit itself – the block on the right is the actual circuit. That’s all it takes! The design is extremely simple. The two inputs go to the two banks in parallel. One bank is programmed for the 4-bit output sum. The other bank calculates the carry output bit. For a simple 4-bit core, that’s all you need. For a larger word size, the higher order modules are more complex to implement due to the carry, but they work on the same principle. Also, your numerical representation can affect the circuit. This circuit assumes unsigned/positive integers for simplicity. You program the primary memory bank with: 0123456789ABCDEF123456789ABCDEF023456789ABCDEF013456789ABCDEF012456789ABCDEF012356789ABCDEF012346789ABCDEF012345789ABCDEF012345689ABCDEF012345679ABCDEF012345678ABCDEF0123456789BCDEF0123456789ACDEF0123456789ABDEF0123456789ABCEF0123456789ABCDF0123456789ABCDE Compute the carry with: 0000000000000000000000000000000100000000000000110000000000000111000000000000111100000000000111110000000000111111000000000111111100000000111111110000000111111111000000111111111100000111111111110000111111111111000111111111111100111111111111110111111111111111
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