DESCRIPTION…
TheSP306 is a single chip device that offers both RS-422 and RS-423–type serial interfaces. The device can be programmed to provide two full–duplex channels of either RS-422 or RS-423 via two mode control pins. The SP306 also features a loopback function that can be activated in any operating mode. The SP306 is available in a 28–pin SOIC package for operation over the commercial temperature range.

■ Single chip serial transceiver supports RS-422 or RS-423 interfaces
■ Programmable Selection of Interface
■ Two Full–Duplex Channels of Either Interface
■ Software–Selectable Mode
■ Loopback for Self–Testing
■ Short–Circuit Protected
■ Surface Mount Packaging