ifspec.ifs

ngspice又一个电子CAD仿真软件代码.功能更全

/* $Id: ifspec.ifs,v 1.2 2003/08/05 17:20:38 pnenzi Exp $ */
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================================================================================
Copyright 1991
Georgia Tech Research Corporation, Atlanta, Ga. 30332
All Rights Reserved

AUTHORS                      

    30 Sept 1991     Jeffrey P. Murray


SUMMARY

    This file contains the interface specification file for the 
    digital d_nand code model.

===============================================================================*/
 
NAME_TABLE:


C_Function_Name:       cm_d_nand
Spice_Model_Name:      d_nand
Description:           "digital n-input nand gate"


PORT_TABLE:

Port_Name:           in                 out
Description:         "input"            "output"
Direction:           in                 out
Default_Type:        d                  d
Allowed_Types:       [d]                [d]
Vector:               yes                no
Vector_Bounds:        [2 -]              -
Null_Allowed:        no                 no


PARAMETER_TABLE:

Parameter_Name:     rise_delay                  fall_delay	
Description:        "rise delay"                "fall delay"
Data_Type:          real                        real   
Default_Value:      1.0e-9                      1.0e-9  
Limits:             [1e-12 -]                   [1e-12 -]       
Vector:              no                          no
Vector_Bounds:       -                           -
Null_Allowed:       yes                         yes    


PARAMETER_TABLE:

Parameter_Name:     input_load
Description:        "input load value (F)" 
Data_Type:          real                          
Default_Value:      1.0e-12                    
Limits:             -                                 
Vector:              no                         
Vector_Bounds:       -                         
Null_Allowed:       yes