1

Rev. 7/21/03

SP502 Multi-Mode Serial Transceiver

© Copyright 2003 Sipex Corporation

■ Single-Chip Serial Transceiver

Supports Industry-Standard

■ Software-Selectable Protocols:

— RS-232 (V.28)

— RS-422A (V.11, X.27)

— RS-449

— RS-485

— V.35

— EIA-530

■ Programmable Selection of Interface

■ +5V-Only Operation

■ Six (6) Drivers and Seven (7) Receivers

■ Surface Mount Packaging

SP502

Charge

Pump

Receiver

Decode

Driver

Decode

Drivers

Receivers

DESCRIPTION…

The SP502 is a highly integrated serial transceiver that allows software control of its interface

modes. It offers hardware interface modes for RS-232 (V.28), RS-422A (V.11), RS-449, RS-485,

V.35, and EIA-530. The SP502 is fabricated using low–power BiCMOS process technology, and

incorporates a Sipex patented (5,306,954) charge pump allowing +5V only operation.

SP502

Multi–Mode Serial Transceiver

®