Path: utzoo!utgpu!jarvis.csri.toronto.edu!mailrus!eecae!netnews.upenn.edu!rutgers!cmcl2!yale!mfci!rodman
From: rodman@mfci.UUCP (Paul Rodman)
Newsgroups: sci.electronics
Subject: Re: MAX-232 chip info wanted
Message-ID: <648@m3.mfci.UUCP>
Date: 15 Feb 89 18:47:14 GMT
References: <939@calvin.EE.CORNELL.EDU> <1989Feb14.163116.16322@utzoo.uucp>
Sender: rodman@mfci.UUCP
Reply-To: rodman@mfci.UUCP (Paul Rodman)
Organization: Multiflow Computer Inc., Branford Ct. 06405
Lines: 16

>>I've seen numerous references to the MAX-232 chip for TTL/RS232 conversion;
>>who makes this IC (i.e. part number so I can find it in a databook) ... 
>
>The part number is MAX-232, just like it says.  It's made by Maxim; don't
>expect to find it in databooks from anyone else yet.


Dallas semiconductor makes a similar chip that steals power from the rs232
side for itself. The also make a chip that is powered off the +5 volt side
that has a charge pump for making the +- volts for rs232 (I think it uses
9 volts). Sorry my catalog is at home so I don't have the numbers...



    Paul Rodman/ KA1ZA
    rodman@mfci.uucp