Products conform to specifications per the terms of Texas Instruments standard warranty Production processing does not necessarily include testing of all parameters brPage 2br SN54190 SN54191 SN54LS190 SN54LS191 SN74190 SN74191 SN74LS190 SN74LS191 S ID: 33413
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SN54190, SN54191, SN54LS190, SN54LS191,SN74190, SN74191, SN74LS190, SN74LS191SYNCHRONOUS UP/DOWN COUNTERS WITH DOWN/UP MODE CONTROL SDLS072 ± DECEMBER 1972 ± REVISED MARCH 1988 1 POST OFFICE BOX 655303 DALLAS, TEXAS 75265Copyright 1988, Texas Instruments IncorporatedPRODUCTION DATA information is current as of publication date.Products conform to specifications per the terms of Texas Instrumentsstandard warranty. Production processing does not necessarily includetesting of all parameters. SN54190, SN54191, SN54LS190, SN54LS191,SDLS072 ± DECEMBER 1972 ± REVISED MARCH 1988 2 POST OFFICE BOX 655303 DALLAS, TEXAS 75265 SN54190, SN54LS190, SN74190, SN74LS190 SDLS072 ± DECEMBER 1972 ± REVISED MARCH 1988 3 POST OFFICE BOX 655303 DALLAS, TEXAS 75265 SN54191, SN54LS191, SN74191, SN74LS191SDLS072 ± DECEMBER 1972 ± REVISED MARCH 1988 4 POST OFFICE BOX 655303 DALLAS, TEXAS 75265 SN54190, SN54LS190, SN74190, SN74LS190 SDLS072 ± DECEMBER 1972 ± REVISED MARCH 1988 5 POST OFFICE BOX 655303 DALLAS, TEXAS 75265 SN54191, SN54LS191, SN74191, SN74LS191SDLS072 ± DECEMBER 1972 ± REVISED MARCH 1988 6 POST OFFICE BOX 655303 DALLAS, TEXAS 75265 SN54190, SN54191, SN54LS190, SN54LS191, SDLS072 ± DECEMBER 1972 ± REVISED MARCH 1988 7 POST OFFICE BOX 655303 DALLAS, TEXAS 75265 SN54190, SN54191, SN74190, SN74191SDLS072 ± DECEMBER 1972 ± REVISED MARCH 1988 8 POST OFFICE BOX 655303 DALLAS, TEXAS 75265 SN54LS190, SN54LS191, SN74LS190, SN74LS191 SDLS072 ± DECEMBER 1972 ± REVISED MARCH 1988 9 POST OFFICE BOX 655303 DALLAS, TEXAS 75265 SN54LS190, SN54LS191, SN74LS190, SN74LS191SDLS072 ± DECEMBER 1972 ± REVISED MARCH 1988 10 POST OFFICE BOX 655303 DALLAS, TEXAS 75265 SN54190, SN54191, SN54LS190, SN54LS191, SDLS072 ± DECEMBER 1972 ± REVISED MARCH 1988 POST OFFICE BOX 655303 DALLAS, TEXAS 75265 SN54190, SN54191, SN54LS190, SN54LS191,SDLS072 ± DECEMBER 1972 ± REVISED MARCH 1988 12 POST OFFICE BOX 655303 DALLAS, TEXAS 75265 SN54190, SN54191, SN54LS190, SN54LS191, SDLS072 ± DECEMBER 1972 ± REVISED MARCH 1988 13 POST OFFICE BOX 655303 DALLAS, TEXAS 75265 TAPEANDREELINFORMATION *Alldimensionsarenominal Device PackageType PackageDrawing Pins SPQ ReelDiameter(mm) ReelWidthW1(mm) A0(mm) B0(mm) K0(mm) P1(mm) W(mm) Pin1Quadrant SN74LS191DR SOIC D 16 2500 330.0 16.4 6.5 10.3 2.1 8.0 16.0 Q1 SN74LS191NSR SO NS 16 2000 330.0 16.4 8.2 10.5 2.5 12.0 16.0 Q1 PACKAGEMATERIALSINFORMATIONwww.ti.com19-Mar-2008 PackMaterials-Page1 *Alldimensionsarenominal Device PackageType PackageDrawing Pins SPQ Length(mm) Width(mm) Height(mm) SN74LS191DR SOIC D 16 2500 333.2 345.9 28.6 SN74LS191NSR SO NS 16 2000 346.0 346.0 33.0 PACKAGEMATERIALSINFORMATIONwww.ti.com19-Mar-2008 PackMaterials-Page2 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