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®
SP334
Programmable RS-232/RS-485 Transceiver
s +5V Only Operation s Software Programmable RS-232 or RS485 Selection s Three RS-232 Drivers and Five Receivers in RS-232 Mode s Two RS-485 Full-Duplex Transceivers in RS-485 Mode s Full Differential Driver Tri-State (Hi-Z) Control s Receiver Output Tri-State Control
DESCRIPTION… The SP334 is a programmable RS-232 and/or RS-485 transceiver IC. The SP334 contains three drivers and five receivers when selected in RS-232 mode; and two drivers and two receivers when selected in RS-485 mode. The RS-232 transceivers can typically operate at 230kbps while adhering to the RS-232 specifications. The RS-485 transceivers can operate up to 10Mbps while adhering to the RS-485 specifications.