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TCAL9538PWR - Texas Instruments

Description: Interface - I/O Expanders ULTRA LOW VOLTAGE AGILE I/O EXPANDER

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TCAL9538PWR - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - PW0016A
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TCAL9538PWR - Texas Instruments  - 3D model - Small Outline Packages - PW0016A
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TCAL9538PWR Details

  • Manufacturer Part Number:

    TCAL9538PWR

  • 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:

    1 MHz

  • JESD-30 Code:

    R-PDSO-G16

  • JESD-609 Code:

    e4

  • Length:

    5 mm

  • Moisture Sensitivity Level:

    1

  • Number of Bits:

    8

  • Number of I/O Lines:

    8

  • Number of Ports:

    8

  • Number of Terminals:

    16

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    TSSOP

  • Package Equivalence Code:

    TSSOP16,.25

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

  • Peak Reflow Temperature (Cel):

    260

  • Seated Height-Max:

    1.2 mm

  • Supply Current-Max:

    160 mA

  • Supply Voltage-Max:

    3.6 V

  • Supply Voltage-Min:

    1.08 V

  • Supply Voltage-Nom:

    1.8 V

  • Surface Mount:

    YES

  • Technology:

    CMOS

  • 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:

    4.4 mm

  • uPs/uCs/Peripheral ICs Type:

    PARALLEL IO PORT, GENERAL PURPOSE

TCAL9538PWR Frequently Asked Questions (FAQs)

  • The TCAL9538PWR can source up to 25mA and sink up to 25mA per output, making it suitable for driving LEDs, relays, and other loads.
  • The TCAL9538PWR is configured for I2C interface by default. To use SPI interface, connect the AD0 pin to VCC. For I2C, connect AD0 to GND. Consult the datasheet for specific pin connections and configuration details.
  • The internal pull-up resistors on the I2C bus (SCL and SDA) are enabled by default to simplify the design and reduce the number of external components required. However, they can be disabled by connecting the PUEN pin to GND.
  • The TCAL9538PWR can be reset to its default state by applying a low signal to the RESET pin or by power-cycling the device. This resets all registers and outputs to their default values.
  • The TCAL9538PWR supports I2C frequencies up to 400 kHz. However, it's recommended to operate at 100 kHz or lower to ensure reliable communication and to avoid bus contention issues.

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TCAL9538PWR 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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