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/*
* 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
*/
`ifndef SKY130_FD_SC_HS__DFBBN_BEHAVIORAL_PP_V
`define SKY130_FD_SC_HS__DFBBN_BEHAVIORAL_PP_V
/**
* dfbbn: Delay flop, inverted set, inverted reset, inverted clock,
* complementary outputs.
*
* Verilog simulation functional model.
*/
`timescale 1ns / 1ps
`default_nettype none
// Import sub cells.
`include "../u_dfb_setdom_notify_pg/sky130_fd_sc_hs__u_dfb_setdom_notify_pg.v"
`celldefine
module sky130_fd_sc_hs__dfbbn (
Q ,
Q_N ,
D ,
CLK_N ,
SET_B ,
RESET_B,
VPWR ,
VGND
);
// Module ports
output Q ;
output Q_N ;
input D ;
input CLK_N ;
input SET_B ;
input RESET_B;
input VPWR ;
input VGND ;
// Local signals
wire RESET ;
wire SET ;
wire CLK ;
wire buf_Q ;
wire CLK_N_delayed ;
wire RESET_B_delayed;
wire SET_B_delayed ;
reg notifier ;
wire D_delayed ;
wire awake ;
wire cond0 ;
wire cond1 ;
wire condb ;
// Name Output Other arguments
not not0 (RESET , RESET_B_delayed );
not not1 (SET , SET_B_delayed );
not not2 (CLK , CLK_N_delayed );
sky130_fd_sc_hs__u_dfb_setdom_notify_pg u_dfb_setdom_notify_pg0 (buf_Q , SET, RESET, CLK, D_delayed, notifier, VPWR, VGND);
assign awake = ( VPWR === 1'b1 );
assign cond0 = ( awake && ( RESET_B_delayed === 1'b1 ) );
assign cond1 = ( awake && ( SET_B_delayed === 1'b1 ) );
assign condb = ( cond0 & cond1 );
buf buf0 (Q , buf_Q );
not not3 (Q_N , buf_Q );
endmodule
`endcelldefine
`default_nettype wire
`endif // SKY130_FD_SC_HS__DFBBN_BEHAVIORAL_PP_V