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SN74LS297N - Texas Instruments

Description: DIGITAL PHASE-LOCKED-LOOP FILTERS

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SN74LS297N - Texas Instruments PCB footprint - Dual-In-Line Packages - Dual-In-Line Packages - N (R-PDIP-T)
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SN74LS297N - Texas Instruments  - 3D model - Dual-In-Line Packages - N (R-PDIP-T)
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SN74LS297N Details

  • Manufacturer Part Number:

    SN74LS297N

  • Brand Name:

    Texas Instruments

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    DIP

  • Pin Count:

    16

  • Country Of Origin:

    Malaysia

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Family:

    LS

  • JESD-30 Code:

    R-PDIP-T16

  • JESD-609 Code:

    e4

  • Length:

    19.305 mm

  • Logic IC Type:

    LOGIC CIRCUIT

  • Max I(ol):

    0.024 A

  • Number of Bits:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    16

  • Operating Temperature-Max:

    70 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    DIP

  • Package Equivalence Code:

    DIP16,.3

  • Package Shape:

    RECTANGULAR

  • Package Style:

    IN-LINE

  • Packing Method:

    TUBE

  • Power Supply Current-Max (ICC):

    55 mA

  • Prop. Delay@Nom-Sup:

    35 ns

  • Propagation Delay (tpd):

    35 ns

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    5.08 mm

  • Supply Voltage-Max (Vsup):

    5.25 V

  • Supply Voltage-Min (Vsup):

    4.75 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

SN74LS297N Frequently Asked Questions (FAQs)

  • The SN74LS297N can handle clock frequencies up to 20 MHz.
  • To ensure proper reset, connect the RESET pin to VCC through a 1-kΩ resistor and a 0.1-μF capacitor to ground. This will ensure that the device is properly reset after power-up.
  • The SN74LS297N can tolerate input voltages up to 7V, but it is recommended to operate within the recommended operating conditions of 4.5V to 5.5V for reliable operation.
  • The SN74LS297N can be interfaced with a microcontroller using a serial interface. Connect the serial input (SI) pin to the microcontroller's serial output, and the clock input (CLK) pin to the microcontroller's clock output. Ensure that the microcontroller's serial output is configured to match the SN74LS297N's serial input format.
  • The MODE pin on the SN74LS297N selects the mode of operation. When the MODE pin is high, the device operates in serial-input/parallel-output mode. When the MODE pin is low, the device operates in parallel-input/serial-output mode.

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SN74LS297N 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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