[sdiy] CMOS Switches

Tom Wiltshire tom at electricdruid.net
Tue Nov 2 13:11:21 CET 2010


Hi there,

Does anyone know of a CMOS switch IC (either original 4000 series or DG) that is arranged as a dual 4x1 switch? There are quite a few that *claim* to be this arrangement, but in fact they share the two address pins, which means the two switches can't be set to different inputs. I need something where either switch can be set to any of the four inputs.

If not, I guess I have to do it with two quad SPST chips. At least that's versatile!

Thanks
Tom




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