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SN74ACT8990FN - Texas Instruments

Description: Test-Bus Controllers IEEE Std 1149.1 (JTAG) TAP Masters With 16-Bit Generic Host Interfaces

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PCB Footprints
SN74ACT8990FN - Texas Instruments PCB footprint - Plastic Leaded Chip Carrier - Plastic Leaded Chip Carrier - FN0044A-1
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SN74ACT8990FN - Texas Instruments  - 3D model - Plastic Leaded Chip Carrier - FN0044A-1
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SN74ACT8990FN Details

  • Manufacturer Part Number:

    SN74ACT8990FN

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    LCC

  • Pin Count:

    44

  • Country Of Origin:

    Philippines

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • External Data Bus Width:

    16

  • JESD-30 Code:

    S-PQCC-J44

  • JESD-609 Code:

    e4

  • Length:

    16.5862 mm

  • Moisture Sensitivity Level:

    3

  • Number of Terminals:

    44

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    QCCJ

  • Package Equivalence Code:

    LDCC44,.7SQ

  • Package Shape:

    SQUARE

  • Package Style:

    CHIP CARRIER

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    4.57 mm

  • Supply Current-Max:

    0.45 mA

  • Supply Voltage-Max:

    5.5 V

  • Supply Voltage-Min:

    4.5 V

  • Supply Voltage-Nom:

    5 V

  • Surface Mount:

    YES

  • Technology:

    CMOS

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

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

  • Terminal Form:

    J BEND

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    QUAD

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

    30

  • Width:

    16.5862 mm

  • uPs/uCs/Peripheral ICs Type:

    MICROPROCESSOR CIRCUIT

SN74ACT8990FN Frequently Asked Questions (FAQs)

  • The maximum operating frequency of the SN74ACT8990FN is 100 MHz, but it can vary depending on the system design and capacitive loading.
  • To ensure signal integrity, use proper PCB design techniques such as impedance matching, signal routing, and decoupling. Also, follow the recommended layout guidelines in the datasheet.
  • Yes, the SN74ACT8990FN is compatible with 3.3V systems, but ensure that the input voltage (VCC) is within the recommended range of 4.5V to 5.5V. You may need to use level translators or voltage regulators to interface with 3.3V devices.
  • Power sequencing is critical when using the SN74ACT8990FN. Ensure that the power supply voltage (VCC) is applied before the input signals, and that the power-down sequence is reversed during shutdown.
  • The recommended termination scheme for the SN74ACT8990FN is a series terminator (Rs) of 33 ohms to 50 ohms, depending on the system requirements. You may also need to add parallel terminators (Rt) and capacitors (Ct) for optimal signal integrity.

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SN74ACT8990FN 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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