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TCAL9538RSVR - Texas Instruments

Description: Interface - I/O Expanders ULTRA LOW VOLTAGE AGILE I/O EXPANDER I/O Expander 8 I2C, SMBus 1 MHz 16-UQFN (2.6x1.8)

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TCAL9538RSVR - Texas Instruments - PCB symbol
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PCB Footprints
TCAL9538RSVR - Texas Instruments PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - RSV0016A
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3D Models
TCAL9538RSVR - Texas Instruments - 3D model - Quad Flat No-Lead - RSV0016A
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TCAL9538RSVR Details

  • Manufacturer Part Number:

    TCAL9538RSVR

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Country Of Origin:

    Mainland China, Thailand

  • 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-XQCC-N16

  • JESD-609 Code:

    e4

  • Length:

    2.6 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:

    UNSPECIFIED

  • Package Code:

    VQCCN

  • Package Equivalence Code:

    LCC16,.07X.1,16

  • Package Shape:

    RECTANGULAR

  • Package Style:

    CHIP CARRIER, VERY THIN PROFILE

  • Peak Reflow Temperature (Cel):

    260

  • Seated Height-Max:

    0.55 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:

    NO LEAD

  • Terminal Pitch:

    0.4 mm

  • Terminal Position:

    QUAD

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

    30

  • Width:

    1.8 mm

  • uPs/uCs/Peripheral ICs Type:

    PARALLEL IO PORT, GENERAL PURPOSE

TCAL9538RSVR Frequently Asked Questions (FAQs)

  • The maximum current rating for each output of the TCAL9538RSVR is 25mA. However, it's recommended to limit the current to 10mA per output to ensure reliable operation and prevent overheating.
  • The TCAL9538RSVR can be configured for I2C or SMBus operation by setting the appropriate values on the ADDR pins (ADDR0-ADDR2) during power-up. Refer to the datasheet for the specific pin configurations for each mode.
  • The RESET pin is an active-low input that resets the internal registers and sets the device to its default state. It's recommended to tie the RESET pin to VCC through a 1kΩ resistor to ensure proper operation. You can also use the RESET pin to reset the device programmatically by driving it low for at least 1ms.
  • The TCAL9538RSVR has built-in POR and BOR features that reset the device during power-up or brown-out conditions. To handle these features, ensure that your system design includes a proper power-up sequence and decoupling capacitors to prevent voltage droops. You can also use external circuitry to detect and respond to POR and BOR events.
  • To ensure reliable operation and minimize noise, follow the recommended layout and routing guidelines in the datasheet. Keep the device's power and ground pins close to the power supply, and use separate power and ground planes. Route the I2C/SMBus lines as differential pairs, and avoid crossing them over other signals.

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TCAL9538RSVR 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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