DESCRIPTION

The SP322 is a programmable V.11 or V.35 transceiver IC. The SP322 contains three drivers and three receivers when selected in each mode. The selection is done by the V.11/V.35 select pin. The V.11 transceivers can typically operate at 10Mbps while adhering to the ITU V.11 specifications. The V.35 transceivers can operate up to 10Mbps while adhering to the ITU V.35 specifications.

■ +5V Only Operation

■ Programmable V.11 or V.35 Selection

■ Three Differential V.11 Transceivers in V.11 Mode

■ Three Differential V.35 Transceivers in V.35 Mode

■ No External Resistor Termination for Compliant V.35 Operation

■ V.11 Cable Termination (approx. 120Ω) Internally Configured in V.11 Mode

■ Tri-State capability on drivers and receivers

■ Ideal low cost solution for X.25 or Frame Relay Serial Ports