| /* | |
| * Copyright (C) 2020 The SymbiFlow Authors. | |
| * | |
| * Use of this source code is governed by a ISC-style | |
| * license that can be found in the LICENSE file or at | |
| * https://opensource.org/licenses/ISC | |
| * | |
| * SPDX-License-Identifier: ISC | |
| */ | |
| (* whitebox *) | |
| module LUT4 (I, O); | |
| input wire [3:0] I; | |
| (* DELAY_MATRIX_I="30e-12 20e-12 11e-12 3e-12" *) | |
| output wire O; | |
| localparam INIT = 16'h0000; | |
| assign O = INIT[I]; | |
| endmodule |