DESCRIPTION…
The SP3488 and the SP3489 are +3.3V low power quad line receivers that meet the specifications of the RS-485 and RS-422 serial protocols. These devices are pin-to-pin compatible with Sipexs SP488 and SP489 devices as well as popular industry standards.

■ RS-485 or RS-422 Quad Differential Line Receivers
■ Operates from a single +3.3V supply
■ Interoperable with +5.0V logic
■ Tri-state Output Control
■ -7V to +12V Common-Mode Input Voltage Range
■ Common Driver Enable Control (SP3488)
■ Independent Driver Enable Controls for each pair of Drivers (SP3489)
■ Compatibility with LTC488 and SN75173 (SP3488)
■ Compatibility with LTC489 and SN75175 (SP3489)