cells/srdlstp/sky130_fd_sc_lp__srdlstp.behavioral.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_LP__SRDLSTP_BEHAVIORAL_V
`define SKY130_FD_SC_LP__SRDLSTP_BEHAVIORAL_V

/**
 * srdlstp: ????.
 *
 * Verilog simulation functional model.
 */

`timescale 1ns / 1ps
`default_nettype none

// Import user defined primitives.
`include "../../models/udp_dlatch_psa_pp_pkg_sn/sky130_fd_sc_lp__udp_dlatch_psa_pp_pkg_sn.v"

`celldefine
module sky130_fd_sc_lp__srdlstp (
    Q      ,
    SET_B  ,
    D      ,
    GATE   ,
    SLEEP_B
);

    // Module ports
    output Q      ;
    input  SET_B  ;
    input  D      ;
    input  GATE   ;
    input  SLEEP_B;

    // Module supplies
    supply1 KAPWR;
    supply1 VPWR ;
    supply0 VGND ;
    supply1 VPB  ;
    supply0 VNB  ;

    // Local signals
    wire buf_Q        ;
    reg  notifier     ;
    wire D_delayed    ;
    wire GATE_delayed ;
    wire reset_delayed;
    wire SET_B_delayed;
    wire awake        ;
    wire cond0        ;
    wire cond1        ;

    //                                        Name     Output  Other arguments
    sky130_fd_sc_lp__udp_dlatch$PSa_pp$PKG$sN dlatch0 (buf_Q , D_delayed, GATE_delayed, SET_B_delayed, SLEEP_B, notifier, KAPWR, VGND, VPWR);
    assign awake = ( SLEEP_B === 1'b1 );
    assign cond0 = ( awake && ( SET_B_delayed === 1'b1 ) );
    assign cond1 = ( awake && ( SET_B === 1'b1 ) );
    bufif1                                    bufif10 (Q     , buf_Q, VPWR                                                                 );

endmodule
`endcelldefine

`default_nettype wire
`endif  // SKY130_FD_SC_LP__SRDLSTP_BEHAVIORAL_V