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ISL32455EIBZ-T - Renesas Electronics

Description: The ISL3245xE are 3. 3V to 5V powered, fault protected, extended Common-Mode Range (CMR) differential transceivers for balanced communication. The RS-485 bus pins (driver outputs and receiver inputs) are protected against overvoltages up to ±60V, and against ±15kV ESD strikes. These transceivers operate in environments with common-mode voltages up to ±20V (exceeds the RS-485 requirement), making this RS-485 family one of the most robust on the market. The transmitters are RS-485 compliant with VCC ≥ 4. 5V a

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ISL32455EIBZ-T - Renesas Electronics PCB footprint - Small Outline Packages - Small Outline Packages - M8.118 8 LEAD MINI SMALL OUTLINE PACKAGE
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ISL32455EIBZ-T - Renesas Electronics  - 3D model - Small Outline Packages - M8.118 8 LEAD MINI SMALL OUTLINE PACKAGE
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ISL32455EIBZ-T Details

  • Manufacturer Part Number:

    ISL32455EIBZ-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

  • High Level Input Current-Max:

    0.000001 A

  • Input Characteristics:

    DIFFERENTIAL SCHMITT TRIGGER

  • Interface IC Type:

    LINE TRANSCEIVER

  • Interface Standard:

    EIA-485; EIA-422

  • JESD-30 Code:

    R-PDSO-G8

  • JESD-609 Code:

    e3

  • Length:

    4.9 mm

  • Moisture Sensitivity Level:

    2

  • Number of Functions:

    1

  • Number of Terminals:

    8

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Out Swing-Min:

    1.1 V

  • Output Characteristics:

    3-STATE

  • Output Low Current-Max:

    0.005 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

  • Receive Delay-Max:

    200 ns

  • Receiver Number of Bits:

    1

  • Seated Height-Max:

    1.75 mm

  • Supply Current-Max:

    4.5 mA

  • Supply Voltage-Max:

    5.5 V

  • Supply Voltage-Min:

    3 V

  • Supply Voltage-Nom:

    3.3 V

  • Supply Voltage1-Max:

    5.5 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:

    200 ns

  • Width:

    3.9 mm

ISL32455EIBZ-T Frequently Asked Questions (FAQs)

  • A good PCB layout for the ISL32455EIBZ-T 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 reliable communication in noisy environments, use a common-mode choke or a ferrite bead in series with the RS-485 bus, and consider using a shielded cable. Additionally, implement error-checking mechanisms, such as CRC or checksum, to detect and correct errors.
  • The maximum cable length supported by the ISL32455EIBZ-T depends on the data rate and the type of cable used. As a general guideline, the maximum cable length is approximately 4000 feet (1219 meters) at 115.2 kbps, and 1000 feet (305 meters) at 921.6 kbps.
  • To protect the ISL32455EIBZ-T from ESD and overvoltage, use TVS diodes or ESD protection devices on the RS-485 bus, and consider adding a voltage regulator to regulate the power supply. Additionally, follow proper PCB design and layout guidelines to minimize the risk of ESD damage.
  • The recommended termination scheme for the RS-485 bus is to use a 120-ohm resistor at each end of the bus, and a 220-ohm resistor in the middle of the bus. This helps to reduce reflections and improve signal integrity.

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ISL32455EIBZ-T Overview

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