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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_HDLL__UDP_DFF_NSR_TB_V
`define SKY130_FD_SC_HDLL__UDP_DFF_NSR_TB_V
/**
* udp_dff$NSR: Negative edge triggered D flip-flop (Q output UDP)
* with both active high reset and set (set dominate).
*
* Autogenerated test bench.
*
* WARNING: This file is autogenerated, do not modify directly!
*/
`timescale 1ns / 1ps
`default_nettype none
`include "sky130_fd_sc_hdll__udp_dff_nsr.v"
module top();
// Inputs are registered
reg SET;
reg RESET;
reg D;
// Outputs are wires
wire Q;
initial
begin
// Initial state is x for all inputs.
D = 1'bX;
RESET = 1'bX;
SET = 1'bX;
#20 D = 1'b0;
#40 RESET = 1'b0;
#60 SET = 1'b0;
#80 D = 1'b1;
#100 RESET = 1'b1;
#120 SET = 1'b1;
#140 D = 1'b0;
#160 RESET = 1'b0;
#180 SET = 1'b0;
#200 SET = 1'b1;
#220 RESET = 1'b1;
#240 D = 1'b1;
#260 SET = 1'bx;
#280 RESET = 1'bx;
#300 D = 1'bx;
end
// Create a clock
reg CLK_N;
initial
begin
CLK_N = 1'b0;
end
always
begin
#5 CLK_N = ~CLK_N;
end
sky130_fd_sc_hdll__udp_dff$NSR dut (.SET(SET), .RESET(RESET), .D(D), .Q(Q), .CLK_N(CLK_N));
endmodule
`default_nettype wire
`endif // SKY130_FD_SC_HDLL__UDP_DFF_NSR_TB_V