blob: c3e0acaeffdccfb07e8a082df349fbe303b9626d [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
*/
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