Wolfgang, I have it on the Dallas CD-ROM. It title is 'Complex Microlans'and it is 117 Kilobytes in the Acrobat PDF format. I'll post it on to you or anyone that mails me privately. Regards, Gerry Cox Weymouth, Dorset, U.K. -----Original Message----- From: Wolfgang Strobl [mailto:ws@GMD.DE] Sent: 05 January 1999 11:46 To: PICLIST@MITVMA.MIT.EDU Subject: Re: one pin communication Hm. There is a much more interesting application note 106 mentioned in the ds2437 documentation, but I couldn't find it in the application note index. Does anybody out there have an idea why it is missing? I asked their web master, but haven't got an answer, yet.