Carry Save Adder VHDL Code

Carry save adder used to perform 3 bit addition at once. Here 3 bit input (A, B, C) is processed and converted to 2 bit output (S, C) at first stage. At first stage result carry is not propagated through addition operation. In order to generate carry, implemented ripple carry adder on stage 2 for carry propagation. Carry Save adder VHDL Code can be constructed by port mapping full adder VHDL Code to 2 stage adder circuit.

Carry Save Adder VHDL Code

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