OpenSTA/search/test/search_gated_clk.v

17 lines
388 B
Verilog

module search_gated_clk (clk, en, in1, out1);
input clk, en, in1;
output out1;
wire n1, n2, gated_clk, n3;
// Clock gating cell: AND gate gating the clock
AND2_X1 clk_gate (.A1(clk), .A2(en), .ZN(gated_clk));
// Logic
BUF_X1 buf1 (.A(in1), .Z(n1));
// Register on gated clock
DFF_X1 reg1 (.D(n1), .CK(gated_clk), .Q(n2));
BUF_X1 buf2 (.A(n2), .Z(out1));
endmodule