blob: 356ec593bd12c88c52fe06440a2f590955a46c68 [file] [log] [blame]
/**
* 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_HS__O21AI_TB_V
`define SKY130_FD_SC_HS__O21AI_TB_V
/**
* o21ai: 2-input OR into first input of 2-input NAND.
*
* Y = !((A1 | A2) & B1)
*
* Autogenerated test bench.
*
* WARNING: This file is autogenerated, do not modify directly!
*/
`timescale 1ns / 1ps
`default_nettype none
`include "sky130_fd_sc_hs__o21ai.v"
module top();
// Inputs are registered
reg A1;
reg A2;
reg B1;
reg VPWR;
reg VGND;
// Outputs are wires
wire Y;
initial
begin
// Initial state is x for all inputs.
A1 = 1'bX;
A2 = 1'bX;
B1 = 1'bX;
VGND = 1'bX;
VPWR = 1'bX;
#20 A1 = 1'b0;
#40 A2 = 1'b0;
#60 B1 = 1'b0;
#80 VGND = 1'b0;
#100 VPWR = 1'b0;
#120 A1 = 1'b1;
#140 A2 = 1'b1;
#160 B1 = 1'b1;
#180 VGND = 1'b1;
#200 VPWR = 1'b1;
#220 A1 = 1'b0;
#240 A2 = 1'b0;
#260 B1 = 1'b0;
#280 VGND = 1'b0;
#300 VPWR = 1'b0;
#320 VPWR = 1'b1;
#340 VGND = 1'b1;
#360 B1 = 1'b1;
#380 A2 = 1'b1;
#400 A1 = 1'b1;
#420 VPWR = 1'bx;
#440 VGND = 1'bx;
#460 B1 = 1'bx;
#480 A2 = 1'bx;
#500 A1 = 1'bx;
end
sky130_fd_sc_hs__o21ai dut (.A1(A1), .A2(A2), .B1(B1), .VPWR(VPWR), .VGND(VGND), .Y(Y));
endmodule
`default_nettype wire
`endif // SKY130_FD_SC_HS__O21AI_TB_V