DESCRIPTION…
The SP303 is a single chip device that offers both RS-232 and AppleTalk™ interfaces. When configured for RS-232 mode the SP303 has 4 drivers and 4 receivers. When the part is programmed for AppleTalk mode, the SP303 supports Macintosh–type ports. All drivers and receivers can operate at data rates up to 1 Mbps. The differential driver used for transmitting data signals is equipped with a tri-state function. The SP303 is available in a 28–pin SOIC package for operation over the commercial temperature range.

■ Single chip serial transceiver supports AppleTalk™ or RS-232 interface
■ Programmable Selection of Interface
■ 4 RS-232 Drivers and 4 RS-232 Receivers
■ Provides Macintosh™ type interface
■ ±30V Receiver Input Levels
■ Surface Mount Packaging