Some of the more interesting reading can often be found in Linear Technolog= y=20 application notes. Quotes such as: "Toubleshooting - IC Blows Up !" "IC Runs hot - This means a 75=B0C temperature rise, or 100=B0C case temper= ature=20 at room ambient. This is normally referred to as hot!" "High Output Ripple or Noise Spikes - First read the Oscilloscope Technique= s=20 section to avoid possible embarrassment" "Inductor selection - Test 1 consists of weighing the candidate inductor.=20 Acceptable limits range from 0.01 and 0.25 pounds" More humour can be found in this datasheet from Page 22 ....... http://cds.linear.com/docs/en/application-note/an35f.pdf Dom -----Original Message-----=20 From: John Ferrell Sent: Thursday, February 12, 2015 7:57 PM To: Microcontroller discussion list - Public. Subject: Re: [OT] Datasheet madness I have seen similar "commentaries" in IBM documentation. Just an example when an under appreciated employee slips out of the harness for a few moments. Think of it as a "Kilroy was here" flag... --=20 http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .