The MUX36xxx are a family of analog multiplexers. The Functional Block Diagram section provides a top-level block diagram of both the MUX36S08 and MUX36D04. The MUX36S08 is an 8-channel, single-ended, analog mux. The MUX36D04 is a 4-channel, differential or dual 4:1, single-ended, analog mux. Each channel is turned on or turned off based on the state of the address lines and enable pin.