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Home » NEWEST Products » New by Manufacturer » Exar » Exar SP337E Multiprotocol Transceivers
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Exar SP337E Multiprotocol Transceivers

Exar SP337E multiprotocol transceivers contain both RS-232 and RS-485/422 line drivers and receivers. The RS-232 mode provides three drivers and five receivers to support all eight signals commonly used in the DB9 serial port connector (3TX/5RX). In RS-485 mode the device features two independent high speed RS-485/422 transmit and receive channels (2TX/2RX).

The Exar SP337EB multiprotocol transceiver features a maximum data rate of 250kbps in RS-232 mode and a maximum data rate of 15Mbps in RS-485/422. The Exar SP337EU features a maximum data rate of 1Mbps in RS-232 mode and a maximum data rate of 15Mbps in RS-485/422 mode. SP337E multiprotocol transceivers require only four 0.1µF capacitors for complete functionality.

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  • 3.3V to 5V Single Supply Operation
  • Robust +/-15kV ESD Protection
  • Max Data Rate of 15Mbps in RS-485/RS-422 and up to 250kbps (SP337EB) or 1Mbps (SP337EU) in RS-232 Mode
  • 3 Drivers, 5 Receivers RS-232/V.28
  • 2 Drivers, 2 Receivers RS-485/RS-422
  • RS-485 Advanced Failsafe on Open, Short or Terminated Lines
  • Full Differential Driver Tri-State (Hi-Z) Control
  • Receiver Output Tri-State Control
  • Dual Protocol Serial Ports (RS-232 or RS-485)
  • Industrial Computers
  • Industrial and Process Control Equipment
  • Point-Of-Sales Equipment
  • Networking Equipment
  • HVAC Controls Equipment
  • Building Security Equipment
Product Specifications
Part Number Package Operating Temp Range
SP337EBCT-L 28-pin SOIC-W 0°C to +70°C
SP337EBCY-L 28-pin TSSOP 0°C to +70°C
SP337EBET-L 28-pin SOIC-W -40°C to +85°C
SP337EBEY-L 28-pin TSSOP -40°C to +85°C
SP337EUCT-L 28-pin SOIC-W 0°C to +70°C
SP337EUCY-L 28-pin TSSOP 0°C to +70°C
SP337EUET-L 28-pin SOIC-W -40°C to +85°C
SP337EUEY-L 28-pin TSSOP -40°C to +85°C

RS-232 and RS-485 Typical Application Circuits

  • Exar
  • Semiconductors|Integrated Circuits|IC-Interface