| /* |
| * 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 |
| */ |
| |
| specify |
| (negedge RESET_B => (Q +: RESET_B)) = (0:0:0, 0:0:0);// delay is tfall |
| (D +=> Q) = (0:0:0, 0:0:0);// delays are tris, tfall |
| (negedge GATE_N => (Q : GATE_N)) = (0:0:0, 0:0:0);// delays are tris, tfall |
| $recrem (posedge RESET_B, posedge GATE_N, 0:0:0, 0:0:0, notifier, AWAKE, AWAKE, RESETB_delayed, GATEN_delayed); |
| $setuphold (posedge GATE_N, posedge D, 0:0:0, 0:0:0, notifier, COND0, COND0, GATEN_delayed, D_delayed); |
| $setuphold (posedge GATE_N, negedge D, 0:0:0, 0:0:0, notifier, COND0, COND0, GATEN_delayed, D_delayed); |
| $width (posedge GATE_N &&& COND1, 1.0:1.0:1.0, 0, notifier); |
| $width (negedge GATE_N &&& COND1, 1.0:1.0:1.0, 0, notifier); |
| $width (negedge RESET_B &&& AWAKE, 1.0:1.0:1.0, 0, notifier); |
| $width (posedge RESET_B &&& AWAKE, 1.0:1.0:1.0, 0, notifier); |
| endspecify |