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/*
* 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_HD__SDFRTN_FUNCTIONAL_PP_V
`define SKY130_FD_SC_HD__SDFRTN_FUNCTIONAL_PP_V
/**
* sdfrtn: Scan delay flop, inverted reset, inverted clock,
* single output.
*
* Verilog simulation functional model.
*/
`timescale 1ns / 1ps
`default_nettype none
// Import user defined primitives.
`include "../../models/udp_mux_2to1/sky130_fd_sc_hd__udp_mux_2to1.v"
`include "../../models/udp_dff_pr_pp_pg_n/sky130_fd_sc_hd__udp_dff_pr_pp_pg_n.v"
`celldefine
module sky130_fd_sc_hd__sdfrtn (
Q ,
CLK_N ,
D ,
SCD ,
SCE ,
RESET_B,
VPWR ,
VGND ,
VPB ,
VNB
);
// Module ports
output Q ;
input CLK_N ;
input D ;
input SCD ;
input SCE ;
input RESET_B;
input VPWR ;
input VGND ;
input VPB ;
input VNB ;
// Local signals
wire buf_Q ;
wire RESET ;
wire intclk ;
wire mux_out;
// Delay Name Output Other arguments
not not0 (RESET , RESET_B );
not not1 (intclk , CLK_N );
sky130_fd_sc_hd__udp_mux_2to1 mux_2to10 (mux_out, D, SCD, SCE );
sky130_fd_sc_hd__udp_dff$PR_pp$PG$N `UNIT_DELAY dff0 (buf_Q , mux_out, intclk, RESET, , VPWR, VGND);
buf buf0 (Q , buf_Q );
endmodule
`endcelldefine
`default_nettype wire
`endif // SKY130_FD_SC_HD__SDFRTN_FUNCTIONAL_PP_V