blob: fc84146a9aa51467e7bb35cfc191acd3f6f74bef [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_LS__TAPVGND2_TB_V
`define SKY130_FD_SC_LS__TAPVGND2_TB_V
/**
* tapvgnd2: Tap cell with tap to ground, isolated power connection
* 2 rows down.
*
* Autogenerated test bench.
*
* WARNING: This file is autogenerated, do not modify directly!
*/
`timescale 1ns / 1ps
`default_nettype none
`include "sky130_fd_sc_ls__tapvgnd2.v"
module top();
// Inputs are registered
reg VPWR;
reg VGND;
reg VPB;
reg VNB;
// Outputs are wires
initial
begin
// Initial state is x for all inputs.
VGND = 1'bX;
VNB = 1'bX;
VPB = 1'bX;
VPWR = 1'bX;
#20 VGND = 1'b0;
#40 VNB = 1'b0;
#60 VPB = 1'b0;
#80 VPWR = 1'b0;
#100 VGND = 1'b1;
#120 VNB = 1'b1;
#140 VPB = 1'b1;
#160 VPWR = 1'b1;
#180 VGND = 1'b0;
#200 VNB = 1'b0;
#220 VPB = 1'b0;
#240 VPWR = 1'b0;
#260 VPWR = 1'b1;
#280 VPB = 1'b1;
#300 VNB = 1'b1;
#320 VGND = 1'b1;
#340 VPWR = 1'bx;
#360 VPB = 1'bx;
#380 VNB = 1'bx;
#400 VGND = 1'bx;
end
sky130_fd_sc_ls__tapvgnd2 dut (.VPWR(VPWR), .VGND(VGND), .VPB(VPB), .VNB(VNB));
endmodule
`default_nettype wire
`endif // SKY130_FD_SC_LS__TAPVGND2_TB_V