DESCRIPTION
The IS657D is an optically integrated circuit detector with schmitt trigger open collector inverter output. It is mounted in a clear plastic lateral side looking package which enables these devices to display superior  mechanical resolutions, coupled characteristics and reliability in a low cost housing.

FEATURES
l Built-in Schmitt trigger circuit
l Low level output at incident light
l Open collector output
l Lateral Side Looking Plastic Package
l High Sensitivity (EV = 35 lx at  25°C)
l LSTTL and TTL Compatible output
l Supply voltage VCC -0.5 to + 35 volts

APPLICATIONS
l Floppy disk drives
l Copiers, Printers,Facsimilies
l VCR's, Cassette tape recorders
l Automatic vending machines