module top (
    input  wire pad_in0,
    input  wire pad_in1,
    output wire pad_out
);

    wire int_out;

    sub mux0_I (
        .in0 (pad_in0),
        .in1 (pad_in1),
        .out (pad_out)
    );

    sub mux1_I (
        .in0 (pad_in0),
        .in1 (pad_in1),
        .out (int_out)
    );

endmodule // top

module sub (
    input  wire in0,
    input  wire in1,
    output wire out
);

    sky130_fd_sc_hd__ebufn_8 cell0_I (
        .A    (in0),
        .TE_B (in1),
        .Z    (out)
    );

endmodule // top