Texas Instruments" PCA9543ADR multiplexer will allow you to relax - by forwarding a selected line into a single input, the total number of lines entering or exiting your processor will be reduced. Its maximum power dissipation is 400 mW. This device has a maximum power dissipation of 400 mW. This multiplexer has an operating temperature range of -40 °C to 85 °C. In order to guarantee safe delivery and allow for quick mounting of this component after delivery, it will be enclosed in tape and reel packaging during shipment. It is made in a 1 x 2:1 configuration. This non-inverting device has a typical operating supply voltage of 2.5|3.3|5 V. Its minimum operating supply voltage of 2.3 V, while its maximum is 5.5 V.