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ISL3179EIBZ-T7A - Renesas Electronics

Description: The ISL3179E and ISL3180E are high ESD protected, 3. 3V powered, single transceivers that meet both the RS-485 and RS-422 standards for balanced communication. Each device has low bus currents (+220μA/-150μA), so they present a “1/5 unit load” to the RS-485 bus. This allows up to 160 transceivers on the network without violating the RS-485 specification’s 32 unit load maximum, and without using repeaters. Receiver (Rx) inputs feature a “full fail-safe” design, which ensures a logic high Rx output if Rx inpu

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ISL3179EIBZ-T7A - Renesas Electronics PCB footprint - Small Outline Packages - Small Outline Packages - M8.15-ren4
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ISL3179EIBZ-T7A Details

  • Manufacturer Part Number:

    ISL3179EIBZ-T7A

  • Brand Name:

    Renesas

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    SOICN

  • Package Description:

    SOP-8

  • Pin Count:

    8

  • Manufacturer Package Code:

    M8.15

  • Country Of Origin:

    Malaysia, Taiwan

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Factory Lead Time:

    12 Weeks

  • Manufacturer:

    Renesas Electronics Corporation

  • YTEOL:

    7

  • Differential Output:

    YES

  • Driver Number of Bits:

    1

  • High Level Input Current-Max:

    0.000002 A

  • Input Characteristics:

    DIFFERENTIAL SCHMITT TRIGGER

  • Interface IC Type:

    LINE TRANSCEIVER

  • Interface Standard:

    EIA-422; EIA-485

  • JESD-30 Code:

    R-PDSO-G8

  • JESD-609 Code:

    e3

  • Length:

    4.9 mm

  • Moisture Sensitivity Level:

    3

  • Number of Functions:

    1

  • Number of Terminals:

    8

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Out Swing-Min:

    1.5 V

  • Output Characteristics:

    3-STATE

  • Output Low Current-Max:

    0.01 A

  • Output Polarity:

    COMPLEMENTARY

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SOP

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Packing Method:

    TR, 7 INCH

  • Peak Reflow Temperature (Cel):

    260

  • Receive Delay-Max:

    16.5 ns

  • Receiver Number of Bits:

    1

  • Seated Height-Max:

    1.75 mm

  • Supply Current-Max:

    4 mA

  • Supply Voltage-Max:

    3.6 V

  • Supply Voltage-Min:

    3 V

  • Supply Voltage-Nom:

    3.3 V

  • Supply Voltage1-Max:

    3.6 V

  • Supply Voltage1-Min:

    3 V

  • Supply Voltage1-Nom:

    3.3 V

  • Surface Mount:

    YES

  • Technology:

    BICMOS

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

    Matte Tin (Sn) - annealed

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    DUAL

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

    30

  • Transmit Delay-Max:

    16 ns

  • Width:

    3.9 mm

ISL3179EIBZ-T7A Frequently Asked Questions (FAQs)

  • A good PCB layout for the ISL3179EIBZ-T7A involves keeping the analog and digital grounds separate, using a solid ground plane, and minimizing the length of the traces between the device and the capacitors. A 4-layer PCB with a dedicated ground plane is recommended.
  • To ensure proper power-up and initialization, make sure to follow the recommended power-up sequence, which is to apply VCC first, followed by VDD. Also, ensure that the EN pin is tied to a valid logic level (either VCC or GND) to prevent unwanted device behavior.
  • The ISL3179EIBZ-T7A has a maximum junction temperature of 150°C. To ensure reliable operation, it's essential to provide adequate heat sinking and thermal management. A thermal pad on the bottom of the package helps to dissipate heat, and a thermal interface material can be used to improve heat transfer.
  • To troubleshoot issues with the ISL3179EIBZ-T7A, start by verifying the power supply and clock signals. Check the device's operating conditions, such as temperature and voltage, and ensure that the device is properly configured and initialized. Use a logic analyzer or oscilloscope to monitor the device's signals and identify any anomalies.
  • The ISL3179EIBZ-T7A has built-in ESD protection, but it's still essential to follow proper ESD handling procedures during device handling and assembly. Use an ESD wrist strap or mat, and ensure that the device is stored in an ESD-safe environment.

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ISL3179EIBZ-T7A Overview

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