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TCA8418EYFPR - Texas Instruments

Description: I2C Controlled Keypad Scan IC With Integrated ESD Protection

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TCA8418EYFPR - Texas Instruments - PCB symbol
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PCB Footprints
TCA8418EYFPR - Texas Instruments PCB footprint - BGA - BGA - YFP (S-XBGA-N25)-1
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3D Models
TCA8418EYFPR - Texas Instruments - 3D model - BGA - YFP (S-XBGA-N25)-1
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TCA8418EYFPR Details

  • Manufacturer Part Number:

    TCA8418EYFPR

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    BGA

  • Pin Count:

    25

  • Country Of Origin:

    Mainland China

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • JESD-30 Code:

    S-PBGA-B25

  • JESD-609 Code:

    e1

  • Length:

    1.96 mm

  • Moisture Sensitivity Level:

    1

  • Number of Terminals:

    25

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    VFBGA

  • Package Equivalence Code:

    BGA25,5X5,16

  • Package Shape:

    SQUARE

  • Package Style:

    GRID ARRAY, VERY THIN PROFILE, FINE PITCH

  • Peak Reflow Temperature (Cel):

    260

  • Seated Height-Max:

    0.5 mm

  • Supply Voltage-Max:

    3.6 V

  • Supply Voltage-Min:

    1.65 V

  • Surface Mount:

    YES

  • Technology:

    CMOS

  • Terminal Finish:

    Tin/Silver/Copper (Sn/Ag/Cu)

  • Terminal Form:

    BALL

  • Terminal Pitch:

    0.4 mm

  • Terminal Position:

    BOTTOM

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

    30

  • Width:

    1.96 mm

  • uPs/uCs/Peripheral ICs Type:

    MICROPROCESSOR CIRCUIT

TCA8418EYFPR Frequently Asked Questions (FAQs)

  • A good PCB layout for the TCA8418EYFPR involves keeping the input and output traces short and away from each other, using a solid ground plane, and placing decoupling capacitors close to the device. Additionally, using a shielded cable for the keyboard interface can help reduce EMI.
  • The TCA8418EYFPR has built-in debounce circuitry, but it's recommended to add additional external debounce capacitors (e.g., 100nF) between the keyboard interface pins and GND to further reduce switch bounce and noise.
  • The maximum cable length for the keyboard interface depends on the specific application and environment. As a general guideline, cable lengths up to 10 meters (33 feet) are typically acceptable, but longer lengths may require additional signal conditioning or repeaters.
  • The TCA8418EYFPR can be configured for different keyboard layouts using the device's internal registers. The specific configuration depends on the desired keyboard layout and can be achieved through I2C commands or by using a keyboard layout configuration tool provided by Texas Instruments.
  • The power consumption of the TCA8418EYFPR depends on the operating mode and frequency. In active mode, the device typically consumes around 10mA, while in standby mode, it consumes around 10uA. The exact power consumption can be found in the datasheet or by consulting with Texas Instruments support.

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TCA8418EYFPR 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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