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SN75LBC179ADRG4 - Texas Instruments

Description: RS-485 Interface IC Low-Power Diff Line Driver/Receiver

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SN75LBC179ADRG4 - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - D0008A
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SN75LBC179ADRG4 - Texas Instruments  - 3D model - Small Outline Packages - D0008A
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SN75LBC179ADRG4 Details

  • Manufacturer Part Number:

    SN75LBC179ADRG4

  • Brand Name:

    Texas Instruments

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    SOIC

  • Package Description:

    SOIC-8

  • Pin Count:

    8

  • Country Of Origin:

    Mexico

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    0

  • Differential Output:

    YES

  • Driver Number of Bits:

    1

  • High Level Input Current-Max:

    0.0001 A

  • Input Characteristics:

    DIFFERENTIAL SCHMITT TRIGGER

  • Interface IC Type:

    LINE TRANSCEIVER

  • Interface Standard:

    EIA-485-A; TIA-485-A; ISO 8482

  • JESD-30 Code:

    R-PDSO-G8

  • JESD-609 Code:

    e4

  • Length:

    4.9 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    8

  • Operating Temperature-Max:

    70 °C

  • Out Swing-Min:

    1.1 V

  • Output Characteristics:

    DIFFERENTIAL

  • Output Low Current-Max:

    0.008 A

  • Output Polarity:

    COMPLEMENTARY

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SOP

  • Package Equivalence Code:

    SOP8,.25

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Receive Delay-Max:

    20 ns

  • Receiver Number of Bits:

    1

  • Seated Height-Max:

    1.75 mm

  • Supply Current-Max:

    15 mA

  • Supply Voltage-Max:

    5.25 V

  • Supply Voltage-Min:

    4.75 V

  • Supply Voltage-Nom:

    5 V

  • Supply Voltage1-Max:

    5.25 V

  • Supply Voltage1-Min:

    4.75 V

  • Supply Voltage1-Nom:

    5 V

  • Surface Mount:

    YES

  • Technology:

    BICMOS

  • Temperature Grade:

    COMMERCIAL

  • Terminal Finish:

    NICKEL PALLADIUM GOLD

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    DUAL

  • Time@Peak Reflow Temperature-Max (s):

    30

  • Transmit Delay-Max:

    12 ns

  • Width:

    3.9 mm

SN75LBC179ADRG4 Frequently Asked Questions (FAQs)

  • The SN75LBC179ADRG4 can support data rates up to 100 Mbps, making it suitable for fast-mode I2C applications.
  • To ensure reliable operation in noisy environments, use proper PCB layout techniques, such as separating analog and digital signals, using ground planes, and adding decoupling capacitors. Additionally, consider using noise-filtering components, like ferrite beads or common-mode chokes, in the I2C bus lines.
  • The recommended pull-up resistor value for the SN75LBC179ADRG4 depends on the specific application and bus capacitance. A general guideline is to use a pull-up resistor between 1 kΩ and 10 kΩ. However, it's essential to calculate the optimal pull-up resistor value based on the specific system requirements and bus loading.
  • The SN75LBC179ADRG4 is designed to operate from 2.3V to 3.6V. While it's not recommended to use it in a 5V system, you can use a voltage regulator or level shifter to step down the voltage to a compatible level. However, this may add complexity and affect the overall system performance.
  • To handle bus contention and arbitration, implement a proper I2C protocol with address recognition, clock stretching, and arbitration mechanisms. The SN75LBC179ADRG4 supports these features, but it's essential to design the system with these considerations in mind to ensure reliable operation.

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About Texas Instruments

Texas Instruments (TI) designs and manufactures semiconductors and integrated circuits for a wide range of applications. The company's product portfolio includes analog chips, which are essential for managing power and signal functions in electronic devices, and embedded processors, which serve as the brains in various systems, enabling functionality in everything from industrial equipment to consumer electronics. TI's innovations in semiconductor technology have made it a leader in the industry.

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