4 Bit Subtractor Circuit. Block diagram and logic circuit diagram of a 4 bit binary adder can be given as 4 bit binary subtractor. A0 a1 a2 a3 for a b0 b1 b2 b3 for b.
A 4 bit parallel subtractor is used to subtract a number consisting of 4 bits. This circuit requires prerequisite knowledge of exor gate binary addition and subtraction full adder. A0 a1 a2 a3 for a b0 b1 b2 b3 for b.
You may also create a test bench waveform to simulate the circuit behavior instead.
Logic design project cse111 4 bit adder subtractor circuitname. This simulates addition of two numbers. The circuit consists of 4 full adders since we are performing operation on 4 bit numbers. You may also create a test bench waveform to simulate the circuit behavior instead.
