[time-nuts] Electronics Question

[Robert LaJeunesse]

Lifting "a pin" often causes it to break off. May as well pull the part for 
later reuse. 

Agree on the inversion issue. 

One needs to be careful as 3.3V CMOS logic is usually not (or "not exactly") TTL 
compatible.

Crossing power supply boundaries means having to assure the associated pins are 
not unhappy - i.e. drawing excess current - when either supply is missing. 





________________________________
From: "lists at lazygranch.com" <lists at lazygranch.com>
To: Discussion of precise time and frequency measurement <time-nuts at febo.com>
Sent: Thu, July 28, 2011 1:39:06 PM
Subject: Re: [time-nuts] Electronics Question

Technically, he just has to lift the offending pins. My recollection is the 
transmitters invert, so that might be an issue.