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74. Gated SR Latch

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Solving Approach

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Code

module sr_latch_enable (
    input  EN,
    input  S,
    input  R,
    output Q,
    output Qn
);
	// Write your code here
    reg Qreg;
    reg Qnreg;
    always@(*) begin
        if(EN) begin
            if (S==1 && R==0) begin
                Qreg=1'b1;
                Qnreg=1'b0;
            end
            else if(S==0 && R==1)begin
                Qreg=1'b0;
                Qnreg=1'b1;
            end
            else if(S==1 && R==1) begin
                Qreg=1'b0;
                Qnreg=1'b1;
            end
        end
    end
    assign Q= Qreg;
    assign Qn= Qnreg;


	
endmodule

 

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