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MODEL:  std688.vhd                                               VERSION:    1.0
DESCRIPTION:  8-Bit Identity Comparator                          DATE: 01 DEC 19
TIMING FILE:  std688.ftm                                         VERSION:    1.0
                                                                 DATE: 01 DEC 20
LOCATION:  http://www.FreeModelFoundry.com/fmf_models/std/std688.vhd
LOCATION:  http://www.FreeModelFoundry.com/fmf_models/std/std688.ftm

LIBRARY:  STND

GENERIC PART NUMBERS COVERED:  74ALS688, 74HC688, 74LS688

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SUPPORTED PART NUMBERS
    ____________________________________________________________________________

                   Fairchild Semiconductor 

    Part Number                       Data Source
    ____________________________________________________________________________

    MM74HC688MTC                           1

    MM74HC688N                             1

    MM74HC688SJ                            1

    MM74HC688WM                            1

    ____________________________________________________________________________

                   ON Semiconductor        

    Part Number                       Data Source
    ____________________________________________________________________________

    SN74LS688DW                            2

    SN74LS688N                             2

    ____________________________________________________________________________

                   Philips Semiconductors  

    Part Number                       Data Source
    ____________________________________________________________________________

    74HC688D                               3

    74HC688DB                              3

    74HC688N                               3

    74HC688PW                              3

    ____________________________________________________________________________

                   Texas Instruments       

    Part Number                       Data Source
    ____________________________________________________________________________

    SN74ALS688DW                           4

    SN74ALS688N                            4

    SN74HC688DW                            5

    SN74HC688N                             5

    SN74HC688PW                            5

    SN74LS688DW                            6

    SN74LS688N                             6


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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.   Fairchild Semiconductor DS005018 revised February 1999

    2.   ON Semiconductor SN74LS682/D August 2000

    3.   Philips Semiconductors Product Specification December 1990

    4.   Texas Instruments SDAS228A-revised January 1995

    5.   Texas Instruments SCLS010B-revised May 1997

    6.   Texas Instruments SDLS008-Revised March 1988