| // Created by ihdl | |
| module NAND4_X4 (A1, A2, A3, A4, ZN); | |
| input A1; | |
| input A2; | |
| input A3; | |
| input A4; | |
| output ZN; | |
| not(ZN, i_12); | |
| and(i_12, i_13, A4); | |
| and(i_13, i_14, A3); | |
| and(i_14, A1, A2); | |
| specify | |
| (A1 => ZN) = (0.1, 0.1); | |
| (A2 => ZN) = (0.1, 0.1); | |
| (A3 => ZN) = (0.1, 0.1); | |
| (A4 => ZN) = (0.1, 0.1); | |
| endspecify | |
| endmodule |