blob: 944328285d2057648ae3f6bd99e39da94d67bcba [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 ( 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