Try using CD4051 when you google for the info. Some examples ...
http://www.jameco.com/Jameco/Products/ProdDS/13098.pdf
http://www.us.oup.com/us/pdf/microcircuits/students/logic/cd4051-ti.pdf
Good Luck!
Try using CD4051 when you google for the info. Some examples ...
http://www.jameco.com/Jameco/Products/ProdDS/13098.pdf
http://www.us.oup.com/us/pdf/microcircuits/students/logic/cd4051-ti.pdf
Good Luck!