The H CPL-22XX, HCPL-02XX,and HCNW22XX are optically coupled logic gates. TheHCPL-22XX, and H CPL-02XX contain a Ga Asp LED while theHCNW22XX contains an Alga As LED. The detectors have totem pole output stages and optical receiver input stages with built-in Schmitt triggers to provide logic compatible waveforms, eliminat-ing the need for additional wave shaping. A superior internal shield on theHCPL-2211/12, HCPL-0211, CAUTION: It is advised that normal static precautions be taken in handling and assembly of this component to prevent damage and/or degradation which may be induced by ESD. Functional Diagram A 0.1 uF bypass capacitor must be connected between pins 5 and 8.