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-rw-r--r--techlibs/cmos/cmos_cells.v23
1 files changed, 23 insertions, 0 deletions
diff --git a/techlibs/cmos/cmos_cells.v b/techlibs/cmos/cmos_cells.v
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+
+module NOT(A, Y);
+input A;
+output Y = ~A;
+endmodule
+
+module NAND(A, B, Y);
+input A, B;
+output Y = ~(A & B);
+endmodule
+
+module NOR(A, B, Y);
+input A, B;
+output Y = ~(A | B);
+endmodule
+
+module DFF(C, D, Q);
+input C, D;
+output reg Q;
+always @(posedge C)
+ Q <= D;
+endmodule
+