________________________________________________________________________________

MODEL:  if75189.vhd                                              VERSION:    1.0
DESCRIPTION:  RS-232 Line Receiver                               DATE: 98 MAY 26
TIMING FILE:  if75189.ftm                                        VERSION:    1.0
                                                                 DATE: 98 MAY 27

LIBRARY:  IF

GENERIC PART NUMBERS COVERED:  1489, 14C89, 75189, 75C189

________________________________________________________________________________

SUPPORTED PART NUMBERS
    ____________________________________________________________________________

                   Motorola

    Part Number                       Data Source
    ____________________________________________________________________________

    MC14C89BD                              1

    MC14C89BP                              1

    MC14C89ABD                             1

    MC14C89ABP                             1

    ____________________________________________________________________________

                   National Semiconductor

    Part Number                       Data Source
    ____________________________________________________________________________

    DS14C89AM                              2

    DS14C89AN                              2

    ____________________________________________________________________________

                   Texas Instruments

    Part Number                       Data Source
    ____________________________________________________________________________

    MC1489D                                3

    MC1489N                                3

    MC1489NS                               3

    MC1489AD                               3

    MC1489AN                               3

    MC1489ANS                              3

    SN75189D                               3

    SN75189N                               3

    SN75189NS                              3

    SN75189AD                              3

    SN75189AN                              3

    SN75189ANS                             3

    SN75C189D                              4

    SN75C189DB                             4

    SN75C189N                              4


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DATA SOURCES

    These are the primary sources of data used in determining behaviour and 
    timing of the components represented by this model.

    1.   Motorola document MC14C89B/D Rev 0, 1996

    2.   National Semiconductor February 1996

    3.   Texas Instruments SLLS095B-Revised May 1995

    4.   Texas Instruments SLLS041E-Revised March 1997