(1)
reg out;
always@(posedge clk)
begin
if (enb)
out <= #1 in;
end
(2)
reg out;
always@(posedge clk)
begin
if (enb)
out <= #1 in;
else
out <= #1 out;
end
(1)
reg out;
always@(posedge clk)
begin
if (enb)
out <= #1 in;
end
(2)
reg out;
always@(posedge clk)
begin
if (enb)
out <= #1 in;
else
out <= #1 out;
end