■ Features
1. Built-in Schmidt trigger circuit
2. Low voltage operating type (VCC:2.3to 7.0V)
3. High sensitivity type (IS481 E VHL : TYP. 5.4 lx at Ta=25 ˚C)
                                     (IS482 E VLH : TYP. 5.4 lx at Ta=25 ˚C)
4. LSTTL and TTL compatible
5. Low level output under incident light (IS481)
    High level output under incident light (IS482)

■ Applications
1. Battery-driven portable equipment