Sep 7, 2019 #1 C clros Member level 2 Joined May 26, 2018 Messages 45 Helped 0 Reputation 0 Reaction score 0 Trophy points 6 Activity points 387 Hi, in a cd4053 I do not used some pins (input and output). How should I connect them?
Sep 7, 2019 #2 FvM Super Moderator Staff member Joined Jan 22, 2008 Messages 52,400 Helped 14,748 Reputation 29,778 Reaction score 14,093 Trophy points 1,393 Location Bochum, Germany Activity points 298,004 The analog switch terminals can be left floating without problems. Or connect them to ground.
Sep 7, 2019 #3 KlausST Advanced Member level 7 Joined Apr 17, 2014 Messages 25,158 Helped 4,868 Reputation 9,757 Reaction score 5,536 Trophy points 1,393 Activity points 168,347 Hi, Sadly you don't tell which pins these are... Dedicated CMOS input pins (control pin) should not be left floating. Klaus
Hi, Sadly you don't tell which pins these are... Dedicated CMOS input pins (control pin) should not be left floating. Klaus
Sep 7, 2019 #4 W wwfeldman Advanced Member level 4 Joined Jan 25, 2019 Messages 1,101 Helped 231 Reputation 461 Reaction score 297 Trophy points 83 Activity points 8,554 no input pin should be left unconnected - analog or digital when I have the space, i like putting in a 0 ohm jumper to ground on a pin by pin basis just in case, if i need an extra ???, its relatively easy to remove the jumper and put in a wire.
no input pin should be left unconnected - analog or digital when I have the space, i like putting in a 0 ohm jumper to ground on a pin by pin basis just in case, if i need an extra ???, its relatively easy to remove the jumper and put in a wire.
Sep 7, 2019 #5 schmitt trigger Advanced Member level 5 Joined Apr 17, 2013 Messages 2,725 Helped 859 Reputation 1,722 Reaction score 850 Trophy points 1,393 Activity points 18,445 Excellent advice.