Fasi477
Newbie level 1
Hi everyone hope you are all fine.I am new here please help me.I want to implement 1 bit full adder using Nano Cmos BSIM MOdel in LTspice.
Adder has two outputs Sum and carry out
Sum is equal to X-OR of three inputs A,B and Cin It means i need to implement two Xor gates.So i have implement X-Or Using BSIM model in Ltspice Separate and they are working correctly.But when i combined them to get sum then output is noisy.Please help me to solve the problem.
Is there any need of driving circuit between two stages or i need to change the width of nmos or Pmos?
Adder has two outputs Sum and carry out
Sum is equal to X-OR of three inputs A,B and Cin It means i need to implement two Xor gates.So i have implement X-Or Using BSIM model in Ltspice Separate and they are working correctly.But when i combined them to get sum then output is noisy.Please help me to solve the problem.
Is there any need of driving circuit between two stages or i need to change the width of nmos or Pmos?