models/udp_dff_p/sky130_fd_sc_hvl__udp_dff_p.v

/**
 * Copyright 2020 The SkyWater PDK Authors
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     https://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 * SPDX-License-Identifier: Apache-2.0
 */

`ifndef SKY130_FD_SC_HVL__UDP_DFF_P_V
`define SKY130_FD_SC_HVL__UDP_DFF_P_V

/**
 * udp_dff$P: Positive edge triggered D flip-flop (Q output UDP).
 *
 * Verilog primitive definition.
 *
 * WARNING: This file is autogenerated, do not modify directly!
 */

`timescale 1ns / 1ps
`default_nettype none

`ifdef NO_PRIMITIVES
`include "./sky130_fd_sc_hvl__udp_dff_p.blackbox.v"
`else
primitive sky130_fd_sc_hvl__udp_dff$P (
    Q  ,
    D  ,
    CLK
);

    output Q  ;
    input  D  ;
    input  CLK;

    reg Q;

    table
     //  D  CLK  :  Qt : Qt+1
         1  (01) :  ?  :  1    ; // clocked data
         0  (01) :  ?  :  0    ;
         1  (x1) :  1  :  1    ; // reducing pessimism
         0  (x1) :  0  :  0    ;
         0   x   :  0  :  0    ; // unkown CP, hold when D==Q==0
         1   x   :  1  :  1    ; // unkown CP, hold when D==Q==1
         ?  (?0) :  ?  :  -    ;
         *   b   :  ?  :  -    ; // ignore edges on data, unless CP=X
    endtable
endprimitive
`endif // NO_PRIMITIVES

`default_nettype wire
`endif  // SKY130_FD_SC_HVL__UDP_DFF_P_V