Re: TTL Questions

Article View: sci.electronics

Article #17905

#17905

From: Jeffrey Alan Ding
Date: Wed, 12 Aug 1987 06:59

13 lines
1252 bytes

Question:  Would not having pullups on some of the unused inputs to a buffer
           chip cause the malfunction of the other buffers on the same chip?


I'm using a 74LS244 chip.  It's a low power schoktty tri-state octal driver
chip.  I'm only using 4 buffers on the chip and the other 4 are unused.
Will having the inputs to the unused buffers floating cause the other
buffers to sometimes have wrong output signals???


thanks in advance......

neighbor@csd4.milw.wisc.edu

Technical Details

Message-ID: <2663@uwmcsd1.UUCP>

Path:

arc1-ca.pugleaf.net!utzoo!mnetor!uunet!husc6!hao!boulder!sunybcs!rutgers!nysernic!itsgw!leah!uwmcsd1!csd4.milw.wisc.edu!neighbor

References: <7105@alice.UUCP> <764@sol.ARPA> <128@umich.UUCP> <647@neoucom.UUCP> <652@neoucom.UUCP>

Show Full Headers

Complete Article Headers

Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP
Path: arc1-ca.pugleaf.net!utzoo!mnetor!uunet!husc6!hao!boulder!sunybcs!rutgers!nysernic!itsgw!leah!uwmcsd1!csd4.milw.wisc.edu!neighbor
From: neighbor@csd4.milw.wisc.edu (Jeffrey Alan Ding)
Newsgroups: sci.electronics
Subject: Re: TTL Questions
Message-ID: <2663@uwmcsd1.UUCP>
Date: Wed, 12-Aug-87 02:59:45 EDT
Article-I.D.: uwmcsd1.2663
Posted: Wed Aug 12 02:59:45 1987
Date-Received: Fri, 14-Aug-87 01:56:02 EDT
References: <7105@alice.UUCP> <764@sol.ARPA> <128@umich.UUCP> <647@neoucom.UUCP> <652@neoucom.UUCP>
Sender: daemon@uwmcsd1.UUCP
Reply-To: neighbor@csd4.milw.wisc.edu.UUCP (Jeffrey Alan Ding)
Organization: University of WI-Milwaukee
Lines: 13
Keywords: TTL, pullups
Summary: question on pullups

Reply to Parent Message