blob: 3337effe516b9af2445dd42cbc4362e45998a117 [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 SET_B => ( Q -: SET_B ) ) = 0:0:0 ; // delay is tris
( negedge SET_B => ( Q_N +: SET_B ) ) = 0:0:0 ; // delay is tris
( posedge CLK => ( Q : CLK ) ) = ( 0:0:0 , 0:0:0 ) ; // delays are tris , tfall
( posedge CLK => ( Q_N : CLK ) ) = ( 0:0:0 , 0:0:0 ) ; // delays are tris , tfall
$recrem ( posedge SET_B , posedge CLK , 0:0:0 , 0:0:0 , notifier , AWAKE , AWAKE , SETB_delayed , CLK_delayed ) ;
$setuphold ( posedge CLK , posedge D , 0:0:0 , 0:0:0 , notifier , COND0 , COND0 , CLK_delayed , D_delayed ) ;
$setuphold ( posedge CLK , negedge D , 0:0:0 , 0:0:0 , notifier , COND0 , COND0 , CLK_delayed , D_delayed ) ;
$width ( posedge CLK &&& COND1 , 1.0:1.0:1.0 , 0 , notifier ) ;
$width ( negedge CLK &&& COND1 , 1.0:1.0:1.0 , 0 , notifier ) ;
$width ( negedge SET_B &&& AWAKE , 1.0:1.0:1.0 , 0 , notifier ) ;
endspecify