-- **************************************************************
-- **************************************************************
--
--                      EIA-567 standard package
--
-- **************************************************************
-- **************************************************************
--
--  Design Unit Name : EIA567EV
--
--  Source : Standard
--
--  Functionality : All type definitions required by section 4.6.1
--
--  Version : 1.0
--
--  History : Original
--
--  Annotations : None
--
--  Analysis Dependencies : None
--
--  Limitations : None
--
--  Fidelity : Complete
--
--  Discrepancies : None
--
--  Supplementary Information : None
--
--  Development Platform : IBM compatible PC
--
--  VHDL Software Version : VSystem/Windows ver. 3.3a
--
-- **************************************************************

PACKAGE eia567ev IS
  -- --------------------------------------------------------- --
  --  Define electrical types and ranges.  Used in various     --
  --  places in this package and in the component electrical   --
  --  view package.                                            --
  -- --------------------------------------------------------- --
  TYPE resistance IS RANGE 1 TO 1e8
    UNITS
      ohms;
      kilohms = 1000 ohms;
      megohms = 1000 kilohms;
    END UNITS;

  TYPE capacitance IS RANGE 0 TO 1000
    UNITS
      pf;
      nf = 1000 pf;
      uf = 1000 nf;
    END UNITS;

  TYPE voltage IS RANGE -1e8 TO 1e8
    UNITS
      uv;
      mv = 1000 uv;
      v  = 1000 mv;
    END UNITS;

  TYPE current IS RANGE -1e8 TO 1e8
    UNITS
      ua;
      ma = 1000 ua;
      a  = 1000 ma;
    END UNITS;

  TYPE power IS RANGE -1e8 TO 1e8
    UNITS
      uw;
      mw = 1000 uw;
      w  = 1000 mw;
    END UNITS;

  TYPE temperature IS RANGE -100 TO 300
    UNITS
      degrees_c;
    END UNITS;

  -- -------------------------------------------------- --
  --  ev_signal_limit and io_driver_types_type are
  --  used in the component electrical view to identify
  --  the signal parameters for each pin in the io_driver_
  --  types constant and the dc_mapping constant.
  -- -------------------------------------------------- --
  TYPE ev_signal_limit IS
    RECORD
      voh, vol  : voltage;
      ioh, iol  : current;
      test_load : NATURAL;
      vih, vil  : voltage;
      iih, iil  : current;
      pin_load  : capacitance;
    END RECORD;

  TYPE io_driver_types_type IS ARRAY (NATURAL RANGE <>) OF ev_signal_limit;

  -- --------------------------------------------------- --
  --  power_limit and power_list_type are used in the
  --  component electrical view to identify the power
  --  supply levels in the power_list constant.
  -- --------------------------------------------------- --
  TYPE power_limit IS
    RECORD
      vmin, vmax : voltage;
      imax       : current;
      pmax       : power;
    END RECORD;

  TYPE power_list_type IS ARRAY (NATURAL RANGE <>) OF power_limit;

END eia567ev;

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