/**
 * 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
 */
library (sky130_ef_io__vssd_lvc_clamped_pad_ss_n40C_1v45_1v65) {
  define(driver_model,library,string);
  define(clk_width,library,string);
  define(sim_opt,library,string);
  define(simulator,library,string);
  define(signal_voltage_type,pin,string);
  technology ( cmos ) ;
  delay_model : table_lookup;
  revision : 1.0 ;
  date : "Fri Oct 14 13:32:54 MST 2011";
  voltage_unit  		: "1V"   ; 
  current_unit  		: "1mA"  ;
  leakage_power_unit		: "1nW"  ;
  pulling_resistance_unit	: "1kohm" ;
  time_unit			: "1ns"  ;
  resistance_unit		: "1ohm" ;
  capacitive_load_unit  	   (1,pf)  ;
  
  nom_process                   : 1.0 ;
  nom_temperature               : -40	;
  nom_voltage                   : 1.45	;

  default_leakage_power_density : 0.0;
  default_cell_leakage_power    : 0.0;
  bus_naming_style              : "%s[%d]" ;
  default_fanout_load	        : 0.0  ;  
  default_inout_pin_cap 	: 0.0  ;  
  default_input_pin_cap 	: 0.0  ;  
  default_output_pin_cap	: 0.0  ;  
  default_max_transition        : 1.00 ;
  input_threshold_pct_rise      : 50.0 ;
  input_threshold_pct_fall      : 50.0 ;
  output_threshold_pct_rise     : 50.0 ;
  output_threshold_pct_fall     : 50.0 ;
  slew_lower_threshold_pct_fall : 20.0 ;
  slew_lower_threshold_pct_rise : 20.0 ;
  slew_upper_threshold_pct_fall : 80.0 ;
  slew_upper_threshold_pct_rise : 80.0 ;
  slew_derate_from_library 	:  1 ;
  in_place_swap_mode            : match_footprint ;

  library_features (report_delay_calculation);
  define (always_on, pin, boolean) ;
  
  voltage_map(VCCD, 1.45);
  voltage_map(VCCHIB, 1.45);

  voltage_map(VDDIO, 1.65);
  voltage_map(VDDIO_Q, 1.65);
  voltage_map(VDDA, 1.65);
  voltage_map(VSWITCH, 3.00);

  voltage_map(VSSA, 0.0);      
  voltage_map(VSSD, 0.0);
  voltage_map(VSSIO, 0.0);
  voltage_map(VSSIO_Q, 0.0);

  
  operating_conditions (deep_sleep_lfclk_max_-40) {
    process	: 1 ;
    temperature : -40	;
    voltage	: 1.45	;
    tree_type	: balanced_tree ;
  }
  default_operating_conditions : "deep_sleep_lfclk_max_-40"	

cell (sky130_ef_io__vssd_lvc_clamped_pad) {
    cell_leakage_power :   0.01;  
    area :   14850.0 ;
    pad_cell : true;

    dont_touch : true ;      /* don't optimize this cell */
is_macro_cell : true;
    dont_use : true ;	     /* don't infer this cell	 */
    interface_timing : true; /* this is a black box - a complex cell*/

    pg_pin(VCCD) {  
    	  voltage_name : VCCD ;
    	  pg_type : primary_power ;
       }

    pg_pin(VCCHIB) {
    	  voltage_name : VCCHIB ;
    	  pg_type : primary_power ;
       }
    
    pg_pin(VDDA) { 
    	  voltage_name : VDDA ;
    	  pg_type : primary_power ;
       }
    
    pg_pin(VDDIO) { 
    	  voltage_name : VDDIO ;
    	  pg_type : primary_power ;
       }
    
    pg_pin(VDDIO_Q) { 
    	  voltage_name : VDDIO_Q ;
    	  pg_type : primary_power ;
       }
    
    pg_pin (VSWITCH) {
    	    voltage_name : "VSWITCH";
    	    pg_type : "primary_power";
    }

    pg_pin(VSSA) { 
    	  voltage_name : VSSA ;
    	  pg_type : primary_ground ;
       } 
    pg_pin(VSSD) { 
    	  voltage_name : VSSD ;
    	  pg_type : primary_ground ;
       } 
    pg_pin(VSSIO) { 
    	  voltage_name : VSSIO ;
    	  pg_type : primary_ground ;
       } 
    pg_pin(VSSIO_Q) { 
    	  voltage_name : VSSIO_Q ;
    	  pg_type : primary_ground ;
       } 


    pin(VSSD_PAD) {
        direction : inout;
	always_on : true;
	is_pad : true ;
	signal_voltage_type : "analog" ;
    	related_power_pin : "VDDIO";
    	related_ground_pin : "VSSD";
    	always_on : true;
    	    rise_capacitance : 0.069348;
    	    capacitance : 0.070467;
    	    fall_capacitance : 0.071586;
    } /* pin  */
    pin ("AMUXBUS_A") {
    	    direction : "inout";
    	    related_power_pin : "VDDIO";
    	    related_ground_pin : "VSSD";
    	    always_on : true;
    	    signal_voltage_type : "analog";
    	    rise_capacitance : 0.069348;
    	    capacitance : 0.070467;
    	    fall_capacitance : 0.071586;
    }
    pin ("AMUXBUS_B") {
    	    direction : "inout";
    	    related_power_pin : "VDDIO";
    	    related_ground_pin : "VSSD";
    	    always_on : true;
    	    signal_voltage_type : "analog";
    	    rise_capacitance : 0.069348;
    	    capacitance : 0.070467;
    	    fall_capacitance : 0.071586;
    }
  }
}