________________________________________________________________________________

MODEL:  std574.vhd                                               VERSION:    1.0
DESCRIPTION:  Positive-Edge Triggered Flip-Flop                  DATE: 97 NOV 04
TIMING FILE:  std574.ftm                                         VERSION:    1.1
                                                                 DATE: 00 JUN 27
LOCATION:  http://www.FreeModelFoundry.com/fmf_models/std/std574.vhd
LOCATION:  http://www.FreeModelFoundry.com/fmf_models/std/std574.ftm

LIBRARY:  STND

GENERIC PART NUMBERS COVERED:  74ABT574, 74ACT574, 74ALS574, 74F574, 74HCT574

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SUPPORTED PART NUMBERS
    ____________________________________________________________________________

                   Fairchild Semiconductor

    Part Number                       Data Source
    ____________________________________________________________________________

    74ABT574CMSA                           1

    74ABT574CMTC                           1

    74ABT574CSC                            1

    74ABT574CSJ                            1

    74ACTQ574PC                            4

    74ACTQ574SC                            4

    74ACTQ574SJ                            4

    74AC574MTC                             5

    74AC574PC                              5

    74AC574SC                              5

    74AC574SJ                              5

    74ACT574MTC                            5

    74ACT574SC                             5

    74ACT574SJ                             5

    DM74ALS574AN                           7

    DM74ALS574ASJ                          7

    DM74ALS574AWM                          7

    74F574PC                               9

    74F574SC                               9

    74F574SJ                               9

    MM74HCT574MTC                          13

    MM74HCT574N                            13

    MM74HCT574SJ                           13

    MM74HCT574WM                           13

    ____________________________________________________________________________

                   Motorola

    Part Number                       Data Source
    ____________________________________________________________________________

    MC74AC574DW                            6

    MC74AC574N                             6

    MC74ACT574DW                           6

    MC74ACT574N                            6

    MC74F574DW                             10

    MC74F574J                              10

    MC74F574N                              10

    MC74HCT574ADW                          14

    MC74HCT574AN                           14

    ____________________________________________________________________________

                   Philips Semiconductors

    Part Number                       Data Source
    ____________________________________________________________________________

    74ABT574AD                             2

    74ABT574ADB                            2

    74ABT574AN                             2

    74ABT574APW                            2

    N74F574D                               11

    N74F574N                               11

    ____________________________________________________________________________

                   Texas Instruments

    Part Number                       Data Source
    ____________________________________________________________________________

    CD74ACT574DW                           16

    CD74ACT574N                            16

    SN74ABT574ADB                          3

    SN74ABT574ADW                          3

    SN74ABT574AN                           3

    SN74ABT574APW                          3

    SN74ACT574DB                           17

    SN74ACT574DW                           17

    SN74ACT574N                            17

    SN74ACT574DB                           17

    SN74ALS574BDW                          8

    SN74ALS574BN                           8

    SN74F574DW                             12

    SN74F574N                              12

    SN74HCT574DW                           15

    SN74HCT574N                            15

    SN74HCT574PW                           15


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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 Semicondutor Datasheet September 1995

    2.   Philips Semiconductors Product Specification 1995 May 22

    3.   Texas Instruments SCBS191C-Revised January 1997

    4.   National Semicondutor Datasheet March 1993

    5.   Fairchild Semiconductor May 1998

    6.   Motorola FACT Data DL138 Rev 3

    7.   Fairchild Semiconductor February 1998

    8.   Texas Instruments SDAS165B-Revised July 1995

    9.   Fairchild Semiconductor March 1998

    10.  Motorola FAST and LS Data DL121/Rev 5

    11.  Philips Semiconductors Product Specification 1989 Oct 16

    12.  Texas Instruments SDFS005A-Revised October 1993

    13.  National Semicondutor Datasheet February 1990

    14.  Motorola Data DL129 Rev 7

    15.  Texas Instruments SCLS177C-Revised May 1997

    16.  Texas Instruments SCHS292 1998

    17.  Texas Instruments SCAS537C-Revised January 2000