ANALOG DEVICES ADUM1411ARW Digital Isolator, Quad, 4, 100 ns, 2.7 V, 5.5 V, SOIC, 16 Pins
Micropower Quad-Channel Digital Isolator, Default Low (4/0 Channel Directionality)

Micropower Quad-Channel Digital Isolator, Default Low (3/1 Channel Directionality)
Micropower Quad-Channel Digital Isolator, Default High (3/1 Channel Directionality)

Micropower Quad-Channel Digital Isolator, Default Low (4/0 Channel Directionality)