| /** |
| * 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_LS__UDP_DFF_P_V |
| `define SKY130_FD_SC_LS__UDP_DFF_P_V |
| |
| /** |
| * udp_dff$P: Positive edge triggered D flip-flop (Q output UDP). |
| * |
| * Verilog primitive definition. |
| * |
| * WARNING: This file is autogenerated, do not modify directly! |
| */ |
| |
| `timescale 1ns / 1ps |
| `default_nettype none |
| |
| `ifdef NO_PRIMITIVES |
| `include "./sky130_fd_sc_ls__udp_dff_p.blackbox.v" |
| `else |
| primitive sky130_fd_sc_ls__udp_dff$P ( |
| Q , |
| D , |
| CLK |
| ); |
| |
| output Q ; |
| input D ; |
| input CLK; |
| |
| reg Q; |
| |
| table |
| // D CLK : Qt : Qt+1 |
| 1 (01) : ? : 1 ; // clocked data |
| 0 (01) : ? : 0 ; |
| 1 (x1) : 1 : 1 ; // reducing pessimism |
| 0 (x1) : 0 : 0 ; |
| 1 (0x) : 1 : 1 ; |
| 0 (0x) : 0 : 0 ; |
| ? (1x) : ? : - ; // no change on falling edge |
| ? (?0) : ? : - ; |
| * ? : ? : - ; // ignore edges on data |
| endtable |
| endprimitive |
| `endif // NO_PRIMITIVES |
| |
| `default_nettype wire |
| `endif // SKY130_FD_SC_LS__UDP_DFF_P_V |