$_DFFE_NN1N_

A negative edge D-type flip-flop with negative polarity set and negative polarity clock enable.

Truth table:    D C R E | Q
               ---------+---
                - - 0 - | 1
                d \ - 0 | d
                - - - - | q

Simulation model (Verilog)

Listing 132 simcells.v:932

module \$_DFFE_NN1N_ (D, C, R, E, Q);
    input D, C, R, E;
    output reg Q;
    always @(negedge C or negedge R) begin
        if (R == 0)
            Q <= 1;
        else if (E == 0)
            Q <= D;
    end
endmodule

Note

This page was auto-generated from the output of help $_DFFE_NN1N_.