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Overview 19 Overview This tutorial demonstrates both basic and advanced PowerMill simulations using the 4-bit adder shown in Figure 1. CIN A[0] B[0] CIN AIN SUM ADDR BIN X4 COUT S[0] N3 A[1] AIN CIN SUM S[1] ADDR B[1] BIN COUT X3 N2 A[2] B[2] A[3] CIN SUM AIN ADDR BIN COUT S[2] X2 N1 N1 CIN SUM AIN MNDC S[3] ADDR B[3] BIN COUT X1 MPDC COUT Figure 1 Logic diagram of the four-bit adder circuit This circuit contains 164 transistors and is simulated with 150 vectors. Figure 2 and Figure 3 further illustrate the adder circuit used in this tutorial. PowerMill User Guide
