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SP332 - RS-232/RS-485 Multi-Mode Serial Transceiver

General Description

The SP332 is a monolithic device that contains both RS-232 and RS-485 line drivers and receivers.

The configuration of the SP332 can be changed at any time by changing the logic state of two control input pins.

Key Features

  • 500mV of hysteresis margin to minimize the affects of noisy tranmission lines. The inputs also have a 5kΩ resistor to ground, in an open circuit situation the input of the receiver will be forced low, committing the output to a logic high state. The input resistance will maintain 3.

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Datasheet Details

Part number SP332
Manufacturer Sipex
File Size 188.07 KB
Description RS-232/RS-485 Multi-Mode Serial Transceiver
Datasheet download datasheet SP332 Datasheet

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Part Number Description
SP331 Programmable RS-232/RS-485 Transceiver
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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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® SP332 RS-232/RS-485 Multi-Mode Serial Transceiver s s s s s +5V-Only Single Supply Operation 4 Drivers, 4 Receivers RS-232 2 Drivers, 2 Receivers RS-485 Loop Back Function for Self Test 28 Pin SOIC Packaging DESCRIPTION… The SP332 is a monolithic device that contains both RS-232 and RS-485 line drivers and receivers. The configuration of the SP332 can be changed at any time by changing the logic state of two control input pins. The device also includes a loop back function which internally connects driver outputs to receiver inputs for a chip self test. A Sipex-patented charge pump (5,306,954) allows +5V-only operation. RS-232 Mode 9 0.1µF 0.1µF 0V 0V C1+ 12 C111 C2+ 13 C224 SEL A 2 SEL B 26 TI1 Vcc 400KΩ +5V 5 VCC Full Duplex RS-485 +5V 5 V+ V10 14 0.1µF LOOP 23 BACK TTL/CMOS 0.