________________________________________________________________________________

MODEL:  std169.vhd                                               VERSION:    1.0
DESCRIPTION:  Sync 4-bit Binary Up/Down Counter                  DATE: 00 AUG 01
TIMING FILE:  std169.ftm                                         VERSION:    1.0
                                                                 DATE: 00 AUG 04
LOCATION:  http://www.FreeModelFoundry.com/fmf_models/std/std169.vhd
LOCATION:  http://www.FreeModelFoundry.com/fmf_models/std/std169.ftm

LIBRARY:  STND

GENERIC PART NUMBERS COVERED:  74AS169A, 74ALS169B

________________________________________________________________________________

SUPPORTED PART NUMBERS
    ____________________________________________________________________________

                   Fairchild Semiconductor 

    Part Number                       Data Source
    ____________________________________________________________________________

    DM74AS169AM                            1

    DM74AS169AN                            1

    ____________________________________________________________________________

                   Texas Instruments

    Part Number                       Data Source
    ____________________________________________________________________________

    SN74AS169AD                            2

    SN74AS169AN                            2

    SN74ALS169BD                           2

    SN74ALS169BN                           2


________________________________________________________________________________

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 DS006292 revised March 2000

    2.   Texas Instruments SDAS125B-Revised December 1994