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SN74F521NSR - Texas Instruments

Description: 8-Bit Identity/Magnitude Comparators (P=Q) with Enable

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SN74F521NSR - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - NS (R-PDSO-G20)
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SN74F521NSR - Texas Instruments  - 3D model - Small Outline Packages - NS (R-PDSO-G20)
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SN74F521NSR Details

  • Manufacturer Part Number:

    SN74F521NSR

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    SOIC

  • Pin Count:

    20

  • Country Of Origin:

    Malaysia

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Family:

    F/FAST

  • JESD-30 Code:

    R-PDSO-G20

  • JESD-609 Code:

    e4

  • Length:

    12.6 mm

  • Load Capacitance (CL):

    50 pF

  • Logic IC Type:

    IDENTITY COMPARATOR

  • Max I(ol):

    0.02 A

  • Moisture Sensitivity Level:

    1

  • Number of Bits:

    8

  • Number of Functions:

    8

  • Number of Terminals:

    20

  • Operating Temperature-Max:

    70 °C

  • Output Polarity:

    INVERTED

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SOP

  • Package Equivalence Code:

    SOP20,.3

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Packing Method:

    TR

  • Peak Reflow Temperature (Cel):

    260

  • Power Supply Current-Max (ICC):

    32 mA

  • Prop. Delay@Nom-Sup:

    11 ns

  • Propagation Delay (tpd):

    11 ns

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    2 mm

  • Supply Voltage-Max (Vsup):

    5.5 V

  • Supply Voltage-Min (Vsup):

    4.5 V

  • Supply Voltage-Nom (Vsup):

    5 V

  • Surface Mount:

    YES

  • Technology:

    TTL

  • Temperature Grade:

    COMMERCIAL

  • Terminal Finish:

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

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    DUAL

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

    30

  • Width:

    5.3 mm

SN74F521NSR Frequently Asked Questions (FAQs)

  • The maximum operating frequency of the SN74F521NSR is 100 MHz, but it can vary depending on the specific application and system design.
  • To ensure signal integrity, use proper PCB layout techniques, such as impedance matching, signal routing, and decoupling. Additionally, consider using series termination resistors and/or parallel termination resistors to reduce signal reflections.
  • The recommended power-up sequence is to apply VCC first, followed by VEE, and then the input signals. This sequence helps prevent latch-up and ensures proper device operation.
  • Yes, the SN74F521NSR is compatible with 3.3V systems, but ensure that the input signals are within the recommended voltage range (VCC - 0.5V to VCC + 0.5V) to maintain proper device operation.
  • To handle thermal issues, ensure good thermal conduction between the device and the PCB, use a heat sink if necessary, and avoid operating the device at maximum power dissipation for extended periods.

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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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Part Image 74F521SJX Rochester Electronics LLC

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Part Image 74F521SJ Fairchild Semiconductor Corporation

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Part Image 74F521SJX Texas Instruments

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For a full list of alternate parts for SN74F521NSR, check out Findchips.com