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Tags: arithmetic

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Super Sumador

Super Sumador
Using flip flops, assming the propagation time is 6ns for each flip flop, for exmaple 32 bits adder with: 6*32 = 192ns.
With this adder (32*3)=96ns for to add 32 bits.

192-96 = 96ns faster!

For more info, [email protected]
Kiko

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4 BIT ALU

4 BIT ALU

This is part of a project to construct a 4 BIT CPU from scratch. I will be starting with a simple NOR gate and building it up to a working model with ALU registers, RAM and ROM. I will be designing an op code and assembler to go with it. Progress and detail can be found on my blog here

This file contains the ALU


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Computer Systems Architecture

32-bit ALU, only with AND, OR, and ADDER/SUBTRACTOR.


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3bit multiplier (2 ticks)

3bit multiplier (2 ticks)

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7-bit adder with carry

7-bit adder with carry

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This is a 4 bit adder (obviously). This is a really low-grade calculator that cannot add numbers larger than 16 (in binary). If you want to check the validity of the calculator, here is a list of values for binary.

1 = 0001  ,   4= 0100  , 7=0111     ,  10 = 1010

2= 0010   ,  5= 0101   ,  8=1000    ,  11= 1011

3= 0011    ,  6= 0110   , 9= 1001    ,  12= 1100



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Satyarth Srivastav

Satyarth Srivastav

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