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MODEL:  std109.vhd                                               VERSION:    1.0
DESCRIPTION:  Positive-Edge Triggered J-K Flip-Flop              DATE: 98 MAY 29
TIMING FILE:  std109.ftm                                         VERSION:    1.0
                                                                 DATE: 98 SEP 01

LIBRARY:  STND

GENERIC PART NUMBERS COVERED:  74AC109, 74ACT109, 74F109

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SUPPORTED PART NUMBERS
    ____________________________________________________________________________

                   Fairchild Semiconductor

    Part Number                       Data Source
    ____________________________________________________________________________

    74AC109MTC                             1

    74AC109PC                              1

    74AC109SC                              1

    74AC109SJ                              1

    74ACT109MTC                            1

    74ACT109PC                             1

    74ACT109SC                             1

    74F109PC                               6

    74F109SC                               6

    74F109SJ                               6

    ____________________________________________________________________________

                   Motorola, Inc.

    Part Number                       Data Source
    ____________________________________________________________________________

    MC74AC109D                             2

    MC74AC109N                             2

    MC74ACT109D                            2

    MC74ACT109N                            2

    MC74F109D                              5

    MC74F109N                              5

    ____________________________________________________________________________

                   Philips Semiconductors

    Part Number                       Data Source
    ____________________________________________________________________________

    N74F109D                               4
 
    N74F109N                               4
 
    ____________________________________________________________________________

                   Texas Instruments

    Part Number                       Data Source
    ____________________________________________________________________________

    SN74F109D                              3

    SN74F109N                              3


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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.   National Semiconductor February 1993       

    2.   Motorola FACT Data DL138 Rev 3

    3.   Texas Instruments SDFS047A-Revised October 1993

    4.   Philips Semiconductors Product Spec October 1990

    5.   Motorola Fast and LS TTL Data, DL121 REV 5

    6.   National Semiconductor November 1994