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SN74ALS520N - Texas Instruments

Description: 8-Bit Identity Comparators (P=Q) with Enable and 20K Ohm Q-Input Pullup Resistors

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SN74ALS520N - Texas Instruments PCB footprint - Dual-In-Line Packages - Dual-In-Line Packages - N (R-PDIP-T20)
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SN74ALS520N - Texas Instruments  - 3D model - Dual-In-Line Packages - N (R-PDIP-T20)
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SN74ALS520N Details

  • Manufacturer Part Number:

    SN74ALS520N

  • 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:

    20 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

SN74ALS520N Frequently Asked Questions (FAQs)

  • The maximum clock frequency of the SN74ALS520N is 100 MHz.
  • Yes, the SN74ALS520N is compatible with 3.3V systems, but it is recommended to use a voltage regulator to ensure a stable 3.3V supply.
  • To ensure signal integrity, use a low-impedance PCB design, keep signal traces short, and use termination resistors to minimize reflections.
  • The SN74ALS520N is rated for operation up to 85°C, but it's recommended to derate the device for temperatures above 70°C to ensure reliability.
  • The recommended power-on sequence is to apply VCC first, followed by the clock signal, and then the input signals.

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SN74ALS520N 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 SN74ALS520N, check out Findchips.com