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23d354c | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 | module sdf_test5 (clk, d1, d2, en, q1, q2, q3);
input clk, d1, d2, en;
output q1, q2, q3;
wire n1, n2, n3, n4, n5, n6;
BUF_X1 buf1 (.A(d1), .Z(n1));
BUF_X2 buf2 (.A(d2), .Z(n2));
INV_X1 inv1 (.A(n1), .ZN(n3));
AND2_X1 and1 (.A1(n1), .A2(n2), .ZN(n4));
OR2_X1 or1 (.A1(n3), .A2(n4), .ZN(n5));
NAND2_X1 nand1 (.A1(n5), .A2(en), .ZN(n6));
DFF_X1 reg1 (.D(n5), .CK(clk), .Q(q1), .QN());
DFF_X1 reg2 (.D(n6), .CK(clk), .Q(q2), .QN());
DFF_X1 reg3 (.D(n4), .CK(clk), .Q(q3), .QN());
endmodule
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