> Such as an *AND* gate? Signal goes on one IP and the select goes on the > other. That would do it. Do you know of the numbers for a fast 5V CMOS multiple AND gate? Or where I can look such up. Forgive me, but it's been over 25 years since I've had to explicitly look at actual gates, being more of a programmer. My first solution was just to bit-bang the SPI. -- D. Jay Newman ! jay@sprucegrove.com ! Xander: Giles, don't make cave-slayer unhappy. http://enerd.ws/robots/ ! -- http://www.piclist.com hint: PICList Posts must start with ONE topic: [PIC]:,[SX]:,[AVR]: ->uP ONLY! [EE]:,[OT]: ->Other [BUY]:,[AD]: ->Ads