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MODEL:  std28.vhd                                                VERSION:    1.0
DESCRIPTION:  2-input positve-NOR gate                           DATE: 00 MAY 07
TIMING FILE:  std28.ftm                                          VERSION:    1.0
                                                                 DATE: 00 DEC 18
LOCATION:  http://www.FreeModelFoundry.com/fmf_models/std/std28.vhd
LOCATION:  http://www.FreeModelFoundry.com/fmf_models/std/std28.ftm

LIBRARY:  STND

GENERIC PART NUMBERS COVERED:  7428, 74LS28

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SUPPORTED PART NUMBERS
    ____________________________________________________________________________

                   Fairchild Semiconductor 

    Part Number                       Data Source
    ____________________________________________________________________________

    DM74LS28M                              1

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                   Texas Instruments

    Part Number                       Data Source
    ____________________________________________________________________________

    SN7428N                                2

    SN74LS28D                              2

    SN74LS28N                              2


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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 DS010169-Revised March 2000

    2.   Texas Instruments SDLS094-Revised March 1988