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Parameters

Number of receivers 0 Number of transmitters 4 Duplex Supply voltage (Nom) (V) 5 Signaling rate (Max) (Mbps) 10 IEC 61000-4-2 contact (+/- kV) Fault protection (V) -10 to 15 Common mode range -7 to 12 Number of nodes 32 Isolated No ICC (Max) (mA) 7 Rating Catalog Operating temperature range (C) -40 to 85 open-in-new Find other RS-485 & RS-422 transceivers

Package | Pins | Size

PDIP (N) 16 181 mm² 19.3 x 9.4 SOIC (DW) 20 132 mm² 12.8 x 10.3 open-in-new Find other RS-485 & RS-422 transceivers

Features

  • Meets or Exceeds the Standard EIA-485
  • Designed for High-Speed Multipoint Transmission on Long Bus Lines in Noisy Environments
  • Supports Data Rates up to and Exceeding Ten Million Transfers Per Second
  • Common-Mode Output Voltage Range of –7 V to 12 V
  • Positive- and Negative-Current Limiting
  • Low Power Consumption . . . 1.5 mA Max (Output Disabled)
  • Functionally Interchangeable With SN75174

LinBiCMOS is a trademark of Texas Instruments Incorporated.

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Description

The SN65LBC174 and SN75LBC174 are monolithic, quadruple, differential line drivers with 3-state outputs. Both devices are designed to meet the requirements of the Electronics Industry Association Standard EIA-485. These devices are optimized for balanced multipoint bus transmission at data rates up to and exceeding 10 million bits per second. Each driver features wide positive and negative common-mode output voltage ranges, current limiting, and thermal-shutdown protection, making it suitable for party-line applications in noisy environments. Both devices are designed using LinBiCMOS™, facilitating ultralow power consumption and inherent robustness.

Both the SN65LBC174 and SN75LBC174 provide positive- and negative-current limiting and thermal shutdown for protection from line fault conditions on the transmission bus line. These devices offer optimum performance when used with the SN75LBC173 or SN75LBC175 quadruple line receivers. The SN65LBC174 and SN75LBC174 are available in the 16-terminal DIP package (N) and the 20-terminal wide-body small outline intergrated circuit (SOIC) package (DW).

The SN75LBC174 is characterized for operation over the commercial temperature range of 0°C to 70°C. The SN65LBC174 is characterized over the industrial temperature range of –40°C to 85°C.

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Technical documentation

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* Data sheet Quadruple Low-Power Differential Line Drivers datasheet (Rev. D) Jun. 15, 2003

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PDIP (N) 16 View options
SOIC (DW) 20 View options

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