The [TI TCA9406 is about as simple as it gets, it even includes internal pull-up resistors. Just pay attention to which side is which, voltage-wise (check the datasheet).](http://www.ti.com/product/tca9406?qgpn=tca9406)
The [TI TCA9406 is about as simple as it gets, it even includes internal pull-up resistors. Just pay attention to which side is which, voltage-wise (check the datasheet).](http://www.ti.com/product/tca9406?qgpn=tca9406)