5Pieces package -74LS64174LS641 (SN74LS641N) Integrated Circuit, DIP-20 Case.OCTAL BUS TRANSCEIVERS.Manufactured bySignetics (now Philips Electronics).Brand New Parts.To download a full datasheet click here.Same day dispatch! Fast shipping World Wide! 14 Days Money Back Guarantee! (please scroll down toread our 14 days MBG policy).Sign up nowfor our newsletter by adding us to your favorites list!Dont forget to checkour other items! * Images are provided for demonstration purposes only. Please read/refer to product description.