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ISL4238EIRZ-T - Renesas Electronics

Description: The Intersil ISL4238E, ISL4244E and ISL4245E devices are 2. 7V to 5. 5V powered RS-232 transmitters/receivers which meet ElA/TIA-232 and V. 28/V. 24 specifications, even at VCC = 3. 0V. Additionally, they provide ±15kV ESD protection (IEC61000-4-2 Air Gap and Human Body Model) on transmitter outputs and receiver inputs (RS-232 pins). Targeted applications are PDAs, Palmtops, and notebook and laptop computers where the low operational, and even lower standby power consumption is critical. Efficient on-chip c

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ISL4238EIRZ-T - Renesas Electronics PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - L32.5x5B 32 LEAD QUAD FLAT NO-LEAD PLASTIC PACKAGE
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3D Models
ISL4238EIRZ-T - Renesas Electronics  - 3D model - Quad Flat No-Lead - L32.5x5B 32 LEAD QUAD FLAT NO-LEAD PLASTIC PACKAGE
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ISL4238EIRZ-T Details

  • Manufacturer Part Number:

    ISL4238EIRZ-T

  • Brand Name:

    Renesas

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    QFN

  • Package Description:

    5 X 5 MM, LEAD FREE, PLASTIC, MO-220VHHD2, QFN-32

  • Pin Count:

    32

  • Manufacturer Package Code:

    L32.5X5B

  • Country Of Origin:

    Malaysia

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Factory Lead Time:

    12 Weeks

  • Date Of Intro:

    2017-10-26

  • Manufacturer:

    Renesas Electronics Corporation

  • YTEOL:

    6

  • Differential Output:

    NO

  • Driver Number of Bits:

    5

  • Input Characteristics:

    SCHMITT TRIGGER

  • Interface IC Type:

    LINE TRANSCEIVER

  • Interface Standard:

    EIA-232; TIA-232; V.24; V.28

  • JESD-30 Code:

    S-PQCC-N32

  • JESD-609 Code:

    e3

  • Length:

    5 mm

  • Moisture Sensitivity Level:

    3

  • Number of Functions:

    3

  • Number of Terminals:

    32

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Out Swing-Min:

    10 V

  • Output Characteristics:

    3-STATE

  • Output Polarity:

    TRUE

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HVQCCN

  • Package Equivalence Code:

    LCC32,.2SQ,20

  • Package Shape:

    SQUARE

  • Package Style:

    CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

  • Peak Reflow Temperature (Cel):

    260

  • Receive Delay-Max:

    550 ns

  • Receiver Number of Bits:

    3

  • Seated Height-Max:

    1 mm

  • Supply Current-Max:

    0.3 mA

  • Supply Voltage-Max:

    5.5 V

  • Supply Voltage-Min:

    2.7 V

  • Supply Voltage-Nom:

    3 V

  • Surface Mount:

    YES

  • Technology:

    CMOS

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

    Matte Tin (Sn) - annealed

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    QUAD

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

    30

  • Transmit Delay-Max:

    1100 ns

  • Width:

    5 mm

ISL4238EIRZ-T Frequently Asked Questions (FAQs)

  • The recommended PCB layout for optimal performance involves keeping the analog and digital grounds separate, using a solid ground plane, and placing the device close to the power supply. Additionally, it's recommended to use a 4-layer PCB with a dedicated power plane and a dedicated ground plane.
  • To ensure reliable operation over the entire operating temperature range, it's essential to follow proper thermal design and management practices. This includes providing adequate heat sinking, using a thermally conductive PCB material, and avoiding thermal hotspots.
  • Using a lower input voltage than the recommended 3.3V or 5V may result in reduced performance, increased power consumption, and potential instability. Using a higher input voltage may result in increased power consumption, heat generation, and potential damage to the device.
  • To troubleshoot issues with the device, start by verifying the power supply voltage, checking for proper PCB layout and routing, and ensuring that the device is properly configured and initialized. Use oscilloscopes and logic analyzers to debug the device's behavior and identify potential issues.
  • The ISL4238EIRZ-T has built-in ESD protection and latch-up prevention measures, including ESD diodes and clamp circuits. However, it's still essential to follow proper handling and storage procedures to prevent ESD damage, and to use ESD protection devices in the system design.

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ISL4238EIRZ-T Overview

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