blob: 9317f53d7549235b151f3f0e105390f1145afe97 [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__DLRBN_TB_V
`define SKY130_FD_SC_HS__DLRBN_TB_V
/**
* dlrbn: Delay latch, inverted reset, inverted enable,
* complementary outputs.
*
* Autogenerated test bench.
*
* WARNING: This file is autogenerated, do not modify directly!
*/
`timescale 1ns / 1ps
`default_nettype none
`include "sky130_fd_sc_hs__dlrbn.v"
module top();
// Inputs are registered
reg RESET_B;
reg D;
reg VPWR;
reg VGND;
// Outputs are wires
wire Q;
wire Q_N;
initial
begin
// Initial state is x for all inputs.
D = 1'bX;
RESET_B = 1'bX;
VGND = 1'bX;
VPWR = 1'bX;
#20 D = 1'b0;
#40 RESET_B = 1'b0;
#60 VGND = 1'b0;
#80 VPWR = 1'b0;
#100 D = 1'b1;
#120 RESET_B = 1'b1;
#140 VGND = 1'b1;
#160 VPWR = 1'b1;
#180 D = 1'b0;
#200 RESET_B = 1'b0;
#220 VGND = 1'b0;
#240 VPWR = 1'b0;
#260 VPWR = 1'b1;
#280 VGND = 1'b1;
#300 RESET_B = 1'b1;
#320 D = 1'b1;
#340 VPWR = 1'bx;
#360 VGND = 1'bx;
#380 RESET_B = 1'bx;
#400 D = 1'bx;
end
// Create a clock
reg GATE_N;
initial
begin
GATE_N = 1'b0;
end
always
begin
#5 GATE_N = ~GATE_N;
end
sky130_fd_sc_hs__dlrbn dut (.RESET_B(RESET_B), .D(D), .VPWR(VPWR), .VGND(VGND), .Q(Q), .Q_N(Q_N), .GATE_N(GATE_N));
endmodule
`default_nettype wire
`endif // SKY130_FD_SC_HS__DLRBN_TB_V