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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_LP__FAHCIN_TB_V
`define SKY130_FD_SC_LP__FAHCIN_TB_V
/**
* fahcin: Full adder, inverted carry in.
*
* Autogenerated test bench.
*
* WARNING: This file is autogenerated, do not modify directly!
*/
`timescale 1ns / 1ps
`default_nettype none
`include "sky130_fd_sc_lp__fahcin.v"
module top();
// Inputs are registered
reg A;
reg B;
reg CIN;
reg VPWR;
reg VGND;
reg VPB;
reg VNB;
// Outputs are wires
wire COUT;
wire SUM;
initial
begin
// Initial state is x for all inputs.
A = 1'bX;
B = 1'bX;
CIN = 1'bX;
VGND = 1'bX;
VNB = 1'bX;
VPB = 1'bX;
VPWR = 1'bX;
#20 A = 1'b0;
#40 B = 1'b0;
#60 CIN = 1'b0;
#80 VGND = 1'b0;
#100 VNB = 1'b0;
#120 VPB = 1'b0;
#140 VPWR = 1'b0;
#160 A = 1'b1;
#180 B = 1'b1;
#200 CIN = 1'b1;
#220 VGND = 1'b1;
#240 VNB = 1'b1;
#260 VPB = 1'b1;
#280 VPWR = 1'b1;
#300 A = 1'b0;
#320 B = 1'b0;
#340 CIN = 1'b0;
#360 VGND = 1'b0;
#380 VNB = 1'b0;
#400 VPB = 1'b0;
#420 VPWR = 1'b0;
#440 VPWR = 1'b1;
#460 VPB = 1'b1;
#480 VNB = 1'b1;
#500 VGND = 1'b1;
#520 CIN = 1'b1;
#540 B = 1'b1;
#560 A = 1'b1;
#580 VPWR = 1'bx;
#600 VPB = 1'bx;
#620 VNB = 1'bx;
#640 VGND = 1'bx;
#660 CIN = 1'bx;
#680 B = 1'bx;
#700 A = 1'bx;
end
sky130_fd_sc_lp__fahcin dut (.A(A), .B(B), .CIN(CIN), .VPWR(VPWR), .VGND(VGND), .VPB(VPB), .VNB(VNB), .COUT(COUT), .SUM(SUM));
endmodule
`default_nettype wire
`endif // SKY130_FD_SC_LP__FAHCIN_TB_V