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TCA9538DBR - Texas Instruments

Description: Remote 8-Bit I2C and SMBus Low-Power I/O Expander

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TCA9538DBR - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - DB (R-PDSO-G16)
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TCA9538DBR - Texas Instruments  - 3D model - Small Outline Packages - DB (R-PDSO-G16)
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TCA9538DBR Details

  • Manufacturer Part Number:

    TCA9538DBR

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Country Of Origin:

    Malaysia

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Address Bus Width:

    4

  • Clock Frequency-Max:

    0.4 MHz

  • JESD-30 Code:

    R-PDSO-G16

  • JESD-609 Code:

    e4

  • Length:

    6.2 mm

  • Moisture Sensitivity Level:

    1

  • Number of Bits:

    8

  • Number of I/O Lines:

    8

  • Number of Ports:

    1

  • Number of Terminals:

    16

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SSOP

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, SHRINK PITCH

  • Peak Reflow Temperature (Cel):

    260

  • Seated Height-Max:

    2 mm

  • Supply Current-Max:

    0.03 mA

  • Supply Voltage-Max:

    5.5 V

  • Supply Voltage-Min:

    1.65 V

  • Supply Voltage-Nom:

    1.8 V

  • Surface Mount:

    YES

  • Technology:

    CMOS

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

    Nickel/Palladium/Gold (Ni/Pd/Au)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.65 mm

  • Terminal Position:

    DUAL

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

    30

  • Width:

    5.3 mm

  • uPs/uCs/Peripheral ICs Type:

    PARALLEL IO PORT, GENERAL PURPOSE

TCA9538DBR Frequently Asked Questions (FAQs)

  • The TCA9538DBR can support I2C bus frequencies up to 400 kHz.
  • To configure the TCA9538DBR to operate in input mode, set the corresponding bit in the Input/Output Register (Register 0x02) to 1. This will configure the pin as an input.
  • The TCA9538DBR can sink or source up to 25 mA per pin.
  • The TCA9538DBR can be reset to its default state by pulling the RESET pin low for at least 1 ms.
  • Yes, the TCA9538DBR is 5V tolerant, but it operates at 3.3V. If used with a 5V system, level shifting may be required.

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TCA9538DBR Overview

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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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