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Text: SN54LS169B,SN54S169SN74LS169B,SN74S169 SYNCHRONOUS 4-BIT UP/DOWN BINARY COUNTERS SDLS134 – OCTOBER 1976 – 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