blob: 8da9313b31fe2f7c31546afc7863decfd2ccbe61 [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
(posedge GATE => (Q : GATE ) ) = (0:0:0,0:0:0); // delays are tris,tfall
$width ( posedge GATE &&& (RESET_B===1'b1) , 0:0:0, 0, notifier);
$width ( negedge GATE &&& (RESET_B===1'b1) , 0:0:0, 0, notifier);
$recrem ( posedge RESET_B , negedge GATE , 0:0:0, 0:0:0, notifier , , , RESETB_delayed , GATE_delayed ) ;
$setuphold ( negedge GATE , posedge D , 0:0:0, 0:0:0, notifier , , COND0 , GATE_delayed , D_delayed ) ;
$setuphold ( negedge GATE , negedge D , 0:0:0, 0:0:0, notifier , , COND0 , GATE_delayed , D_delayed ) ;
endspecify