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SN74AS869NT - Texas Instruments

Description: 8-BIT SYNC UP/DOWN COUNTER

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SN74AS869NT Details

  • Manufacturer Part Number:

    SN74AS869NT

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    DIP

  • Package Description:

    ROHS COMPLIANT, PLASTIC, DIP-24

  • Pin Count:

    24

  • HTS Code:

    8542.39.00.60

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    0

  • Additional Feature:

    TCO OUTPUT; COUNT ENABLE INPUTS

  • Count Direction:

    BIDIRECTIONAL

  • Family:

    AS

  • JESD-30 Code:

    R-PDIP-T24

  • JESD-609 Code:

    e4

  • Length:

    31.64 mm

  • Load Capacitance (CL):

    50 pF

  • Load/Preset Input:

    YES

  • Logic IC Type:

    BINARY COUNTER

  • Max Frequency@Nom-Sup:

    45000000 Hz

  • Max I(ol):

    0.02 A

  • Mode of Operation:

    SYNCHRONOUS

  • Number of Bits:

    8

  • Number of Functions:

    1

  • Number of Terminals:

    24

  • Operating Temperature-Max:

    70 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    DIP

  • Package Equivalence Code:

    DIP24,.3

  • Package Shape:

    RECTANGULAR

  • Package Style:

    IN-LINE

  • Packing Method:

    TUBE

  • Power Supply Current-Max (ICC):

    195 mA

  • Prop. Delay@Nom-Sup:

    15 ns

  • Propagation Delay (tpd):

    15 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

  • Trigger Type:

    POSITIVE EDGE

  • Width:

    7.62 mm

  • fmax-Min:

    45 MHz

SN74AS869NT Frequently Asked Questions (FAQs)

  • The recommended operating voltage range for the SN74AS869NT is 4.5V to 5.5V, with a typical operating voltage of 5V.
  • The SN74AS869NT has a thermal pad on the bottom of the package, which should be connected to a thermal ground plane or a heat sink to dissipate heat. A thermal interface material (TIM) can be used to improve heat transfer.
  • The maximum clock frequency that the SN74AS869NT can handle is 100 MHz, but this can vary depending on the specific application and operating conditions.
  • To ensure signal integrity, use controlled impedance traces, minimize trace lengths, and use termination resistors as needed. Also, ensure that the power supply is clean and well-regulated, and that the device is properly decoupled.
  • The SN74AS869NT is a 5V device, but it can be used with 3.3V logic with proper level shifting or voltage translation. However, this may require additional circuitry and careful design consideration.

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SN74AS869NT 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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