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SN74ALS521N - Texas Instruments

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

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SN74ALS521N - Texas Instruments PCB footprint - Dual-In-Line Packages - Dual-In-Line Packages - N(R-PDIP-T**)
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SN74ALS521N - Texas Instruments  - 3D model - Dual-In-Line Packages - N(R-PDIP-T**)
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SN74ALS521N Details

  • Manufacturer Part Number:

    SN74ALS521N

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    DIP

  • Pin Count:

    20

  • Country Of Origin:

    Malaysia

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Additional Feature:

    WITH PULL-UP RESISTORS ON Q INPUTS; CASCADABLE

  • Family:

    ALS

  • JESD-30 Code:

    R-PDIP-T20

  • JESD-609 Code:

    e4

  • Length:

    25.4 mm

  • Load Capacitance (CL):

    50 pF

  • Logic IC Type:

    IDENTITY COMPARATOR

  • Max I(ol):

    0.024 A

  • Number of Bits:

    8

  • Number of Functions:

    8

  • Number of Terminals:

    20

  • Operating Temperature-Max:

    70 °C

  • Output Characteristics:

    3-STATE

  • Output Polarity:

    INVERTED

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    DIP

  • Package Equivalence Code:

    DIP20,.3

  • Package Shape:

    RECTANGULAR

  • Package Style:

    IN-LINE

  • Packing Method:

    TUBE

  • Power Supply Current-Max (ICC):

    19 mA

  • Prop. Delay@Nom-Sup:

    22 ns

  • Propagation Delay (tpd):

    20 ns

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    5.08 mm

  • Supply Voltage-Max (Vsup):

    5.5 V

  • Supply Voltage-Min (Vsup):

    4.5 V

  • Supply Voltage-Nom (Vsup):

    5 V

  • Surface Mount:

    NO

  • Technology:

    TTL

  • Temperature Grade:

    COMMERCIAL

  • Terminal Finish:

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

  • Terminal Form:

    THROUGH-HOLE

  • Terminal Pitch:

    2.54 mm

  • Terminal Position:

    DUAL

  • Width:

    7.62 mm

SN74ALS521N Frequently Asked Questions (FAQs)

  • The maximum operating frequency of the SN74ALS521N is 100 MHz, but it can vary depending on the specific application and operating conditions.
  • To ensure signal integrity, use proper PCB layout techniques, such as keeping signal traces short and away from noise sources, using termination resistors, and providing adequate power supply decoupling.
  • Yes, the SN74ALS521N is compatible with 3.3V systems, but you may need to use external resistors to adjust the output voltage levels to match the 3.3V system requirements.
  • The power consumption of the SN74ALS521N depends on the operating frequency, input voltage, and output load. Typically, it consumes around 20-30 mA of current at 5V and 50 MHz.
  • To handle thermal issues, ensure good airflow around the device, use a heat sink if necessary, and avoid operating the device at maximum power dissipation for extended periods.

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SN74ALS521N 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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For a full list of alternate parts for SN74ALS521N, check out Findchips.com