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SN74LS669D - Texas Instruments

Description: SYNC 4-BIT UP/DWN BIN COUNTR

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SN74LS669D - Texas Instruments - PCB symbol
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PCB Footprints
SN74LS669D - Texas Instruments PCB footprint - Other - Other - SOIC127P600X175-16N
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3D Models
SN74LS669D - Texas Instruments - 3D model - Other - SOIC127P600X175-16N
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SN74LS669D Details

  • Manufacturer Part Number:

    SN74LS669D

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    SOIC

  • Package Description:

    SO-16

  • Pin Count:

    16

  • HTS Code:

    8542.39.00.60

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    0

  • Additional Feature:

    TCO OUTPUT

  • Count Direction:

    BIDIRECTIONAL

  • Family:

    LS

  • JESD-30 Code:

    R-PDSO-G16

  • JESD-609 Code:

    e4

  • Length:

    9.9 mm

  • Load Capacitance (CL):

    15 pF

  • Load/Preset Input:

    YES

  • Logic IC Type:

    BINARY COUNTER

  • Max Frequency@Nom-Sup:

    25000000 Hz

  • Max I(ol):

    0.008 A

  • Mode of Operation:

    SYNCHRONOUS

  • Moisture Sensitivity Level:

    1

  • Number of Bits:

    4

  • Number of Functions:

    1

  • Number of Terminals:

    16

  • Operating Temperature-Max:

    70 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SOP

  • Package Equivalence Code:

    SOP16,.25

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Peak Reflow Temperature (Cel):

    260

  • Power Supply Current-Max (ICC):

    34 mA

  • Prop. Delay@Nom-Sup:

    27 ns

  • Propagation Delay (tpd):

    27 ns

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1.75 mm

  • Supply Voltage-Max (Vsup):

    5.25 V

  • Supply Voltage-Min (Vsup):

    4.75 V

  • Supply Voltage-Nom (Vsup):

    5 V

  • Surface Mount:

    YES

  • Technology:

    TTL

  • Temperature Grade:

    COMMERCIAL

  • Terminal Finish:

    NICKEL PALLADIUM GOLD

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    DUAL

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

    30

  • Trigger Type:

    POSITIVE EDGE

  • Width:

    3.9 mm

  • fmax-Min:

    25 MHz

SN74LS669D Frequently Asked Questions (FAQs)

  • The maximum clock frequency of the SN74LS669D is 2 MHz, but it can vary depending on the operating voltage and temperature. It's recommended to check the timing diagrams and specifications in the datasheet for more information.
  • To ensure reliable data transfer, make sure to follow proper signal termination, use a stable clock signal, and maintain a consistent data format. Additionally, consider using a buffer or repeater if the signal needs to travel a long distance.
  • The power consumption of the SN74LS669D depends on the operating voltage, frequency, and load. According to the datasheet, the typical power consumption is around 15mA at 5V and 1MHz. However, it's recommended to check the power consumption calculations in the datasheet for more accurate information.
  • The SN74LS669D is designed to operate at 5V, but it can be used in a 3.3V system with some limitations. The device may not meet its specified performance at lower voltages, and the output voltage levels may not be compatible with 3.3V logic. It's recommended to check the datasheet for more information and consider using a level translator or voltage regulator if necessary.
  • The SN74LS669D does not have built-in error detection or correction mechanisms. It's recommended to implement external error detection and correction mechanisms, such as checksums or CRC, to ensure data integrity. Additionally, consider using a watchdog timer or reset circuit to handle faults or errors.

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SN74LS669D 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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