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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 reg Q,
    output reg Qn
);
	// Write your code here
	always@(*)begin
        if(EN)begin
    if (S==1 && R ==0)begin
        Q <= 1'b1;
        Qn <= 1'b0;
    end
    else if (S==0 && R ==1)begin
         Q <= 1'b0;
         Qn <= 1'b1;
    end
    else if (S==0 && R ==0)begin
         Q <= Q;
         Qn <= Qn;
    end
     else if (S==1 && R ==1)begin
         Q <= 1'b0;
         Qn <= 1'b1;
    end
    end
    end
        
endmodule

 

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