SN54190, SN54191, SN54LS190, SN54LS191, SN74190, SN74191, SN74LS190, SN74LS191 SYNCHRONOUS UP/DOWN COUNTERS WITH DOWN/UP MODE CONTROL SDLS072 – DECEMBER 1972 – REVISED MARCH 1988 Copyright 1988, Texas Instruments Incorporated PRODUCTION DATA information is current as of publication date. Products conform to specifications per the terms of Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters.
SN54190, SN54191, SN54LS190, SN54LS191, SN74190, SN74191, SN74LS190, SN74LS191 SYNCHRONOUS UP/DOWN COUNTERS WITH DOWN/UP MODE CONTROL SDLS072 – DECEMBER 1972 – REVISED MARCH 1988 2 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
SN54190, SN54LS190, SN74190, SN74LS190 SYNCHRONOUS UP/DOWN COUNTERS WITH DOWN/UP MODE CONTROL SDLS072 – DECEMBER 1972 – REVISED MARCH 1988 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 3
SN54191, SN54LS191, SN74191, SN74LS191 SYNCHRONOUS UP/DOWN COUNTERS WITH DOWN/UP MODE CONTROL SDLS072 – DECEMBER 1972 – REVISED MARCH 1988 4 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
SN54190, SN54LS190, SN74190, SN74LS190 SYNCHRONOUS UP/DOWN COUNTERS WITH DOWN/UP MODE CONTROL SDLS072 – DECEMBER 1972 – REVISED MARCH 1988 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 5
SN54191, SN54LS191, SN74191, SN74LS191 SYNCHRONOUS UP/DOWN COUNTERS WITH DOWN/UP MODE CONTROL SDLS072 – DECEMBER 1972 – REVISED MARCH 1988 6 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
SN54190, SN54191, SN54LS190, SN54LS191, SN74190, SN74191, SN74LS190, SN74LS191 SYNCHRONOUS UP/DOWN COUNTERS WITH DOWN/UP MODE CONTROL SDLS072 – DECEMBER 1972 – REVISED MARCH 1988 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 7
SN54190, SN54191, SN74190, SN74191 SYNCHRONOUS UP/DOWN COUNTERS WITH DOWN/UP MODE CONTROL SDLS072 – DECEMBER 1972 – REVISED MARCH 1988 8 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
SN54LS190, SN54LS191, SN74LS190, SN74LS191 SYNCHRONOUS UP/DOWN COUNTERS WITH DOWN/UP MODE CONTROL SDLS072 – DECEMBER 1972 – REVISED MARCH 1988 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 9
SN54LS190, SN54LS191, SN74LS190, SN74LS191 SYNCHRONOUS UP/DOWN COUNTERS WITH DOWN/UP MODE CONTROL SDLS072 – DECEMBER 1972 – REVISED MARCH 1988 10 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
SN54190, SN54191, SN54LS190, SN54LS191, SN74190, SN74191, SN74LS190, SN74LS191 SYNCHRONOUS UP/DOWN COUNTERS WITH DOWN/UP MODE CONTROL SDLS072 – DECEMBER 1972 – REVISED MARCH 1988 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 11
SN54190, SN54191, SN54LS190, SN54LS191, SN74190, SN74191, SN74LS190, SN74LS191 SYNCHRONOUS UP/DOWN COUNTERS WITH DOWN/UP MODE CONTROL SDLS072 – DECEMBER 1972 – REVISED MARCH 1988 12 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
SN54190, SN54191, SN54LS190, SN54LS191, SN74190, SN74191, SN74LS190, SN74LS191 SYNCHRONOUS UP/DOWN COUNTERS WITH DOWN/UP MODE CONTROL SDLS072 – DECEMBER 1972 – REVISED MARCH 1988 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 13
PACKAGE MATERIALS INFORMATION www.ti.com 8-Apr-2013 TAPE AND REEL INFORMATION *All dimensions are nominal Device SN74LS191DR Package Package Pins Type Drawing SOIC D 16 SPQ Reel Reel A0 Diameter Width (mm) (mm) W1 (mm) 2500 330.0 16.4 Pack Materials-Page 1 6.5 B0 (mm) K0 (mm) P1 (mm) 10.3 2.1 8.0 W Pin1 (mm) Quadrant 16.
PACKAGE MATERIALS INFORMATION www.ti.com 8-Apr-2013 *All dimensions are nominal Device Package Type Package Drawing Pins SPQ Length (mm) Width (mm) Height (mm) SN74LS191DR SOIC D 16 2500 333.2 345.9 28.
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