SN55LBC174

Features: ` Meets EIA Standard RS-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` ...

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SN55LBC174 Picture
SeekIC No. : 004497276 Detail

SN55LBC174: Features: ` Meets EIA Standard RS-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 S...

floor Price/Ceiling Price

Part Number:
SN55LBC174
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2025/12/24

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Product Details

Description



Features:

` Meets EIA Standard RS-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)



Pinout

  Connection Diagram


Specifications

Supply voltage range, VCC (see Note 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  0.3 V to 7 V
Output voltage range, VO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 V to 15 V
Input voltage range, VI . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .0.3 V to 7 V
Continuous power dissipation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . nternally limited‡
Operating free-air temperature range, TA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55°C to 125°C
Storage temperature range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .65°C to 150°C
Lead temperature 1,6 mm (1/16 inch) from case for 10 seconds . . . . . . . . . . . . . . . . . . . . . . . 65°C to 150°C
† Stresses beyond those listed under "absolute maximum ratings" may cause permanent damage to the device. These are stress ratings only, and
functional operation of the device at these or any other conditions beyond those indicated under "recommended operating conditions" is not
implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
‡ The maximum operating junction temperature is internally limited. Use the dissipation rating table to operate below this temperature.
NOTE 1: All voltage values are with respect to GND.



Description

The SN55LBC174 is composed of monolithic quadruple differential line drivers with 3-state outputs. SN55LBC174 is designed to meet the requirements of the Electronics Industry Association (EIA) Standard RS-485 and is 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. SN55LBC174 is designed using LinBiCMOSE, facilitating ultra-low power consumption and inherent robustness.

The SN55LBC174 provides positive and negative-current limiting and thermal shutdown for protection from line fault conditions on the transmission bus line. This device offers optimum performance when used with the SN55LBC173 quadruple line receiver. The SN55LBC174 is available in the 16-pin CDIP package (J), the 16-pin CPAK (W), or the 20-pin LCCC package (FK).

The SN55LBC174 is characterized for operation over the military temperature range of 55°C to 125°C.




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