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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 Qn
);
	// Write your code here

    always @(*) begin

        if (EN) begin
            case ({S,R})

            2'b00: Q = Q;
            2'b01: Q = 1'b0;
            2'b10: Q = 1'b1;
            2'b11: Q = 1'b0;

            endcase
        end

        else Q = Q;

    end

    assign Qn = ~Q;
	
endmodule

 

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