blob: 54965f2c16a185b54ce7191fa796f6132c9827bf [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_MS__NAND4BB_BEHAVIORAL_V
`define SKY130_FD_SC_MS__NAND4BB_BEHAVIORAL_V
/**
* nand4bb: 4-input NAND, first two inputs inverted.
*
* Verilog simulation functional model.
*/
`timescale 1ns / 1ps
`default_nettype none
`celldefine
module sky130_fd_sc_ms__nand4bb (
Y ,
A_N,
B_N,
C ,
D
);
// Module ports
output Y ;
input A_N;
input B_N;
input C ;
input D ;
// Module supplies
supply1 VPWR;
supply0 VGND;
supply1 VPB ;
supply0 VNB ;
// Local signals
wire nand0_out;
wire or0_out_Y;
// Name Output Other arguments
nand nand0 (nand0_out, D, C );
or or0 (or0_out_Y, B_N, A_N, nand0_out);
buf buf0 (Y , or0_out_Y );
endmodule
`endcelldefine
`default_nettype wire
`endif // SKY130_FD_SC_MS__NAND4BB_BEHAVIORAL_V