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ISL43485IBZ-T - Renesas Electronics

Description: The Intersil ISL43485 is a high speed BiCMOS 3. 3V powered, single transceiver that meets both the RS-485 and RS-422 standards for balanced communication. Unlike some competitive devices, this Intersil transceiver is specified for 10% tolerance supplies (3V to 3. 6V). Data rates up to 30Mbps are achievable by using this transceiver, which features higher slew rates. Logic inputs (e. g. , DI and DE) accept signals in excess of 5. 5V, making them compatible with 5V logic families. Receiver (Rx) inputs feature

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ISL43485IBZ-T - Renesas Electronics PCB footprint - Small Outline Packages - Small Outline Packages - SOIC--8---
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ISL43485IBZ-T Details

  • Manufacturer Part Number:

    ISL43485IBZ-T

  • Brand Name:

    Renesas

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    SOICN

  • Package Description:

    SOIC-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

  • Input Characteristics:

    DIFFERENTIAL

  • Interface IC Type:

    LINE TRANSCEIVER

  • Interface Standard:

    EIA-485; TIA-485; EIA-422

  • 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 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

  • Receive Delay-Max:

    80 ns

  • Receiver Number of Bits:

    1

  • Seated Height-Max:

    1.75 mm

  • Supply Current-Max:

    1.2 mA

  • Supply Voltage-Max:

    3.6 V

  • Supply Voltage-Min:

    3 V

  • Supply Voltage-Nom:

    3.3 V

  • Surface Mount:

    YES

  • Technology:

    BICMOS

  • 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:

    22 ns

  • Width:

    3.9 mm

ISL43485IBZ-T Frequently Asked Questions (FAQs)

  • A 4-layer PCB with a solid ground plane and a separate power plane is recommended. Keep the analog and digital grounds separate and connect them at a single point. Use a 10nF capacitor between the VCC and GND pins to filter out noise.
  • Ensure a clean power-up sequence by applying VCC before applying a logic signal to the EN pin. Also, configure the device by writing to the control registers in the correct sequence, as specified in the datasheet.
  • The ISL43485IBZ-T can support data rates up to 100Mbps, but the actual data rate achieved depends on the system design, PCB layout, and cable quality.
  • Use a logic analyzer or oscilloscope to capture the signal waveforms and verify that the device is properly configured and powered. Check for signal integrity issues, such as ringing or overshoot, and ensure that the PCB layout and cable quality meet the recommended specifications.
  • The ISL43485IBZ-T is rated for operation up to 85°C, but the device's performance and reliability may degrade at higher temperatures. Ensure proper thermal management and consider using a heat sink or thermal interface material if operating in high-temperature environments.

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ISL43485IBZ-T Overview

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