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SN74LS628DR - Texas Instruments

Description: Voltage-controlled oscillator

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SN74LS628DR - Texas Instruments - PCB symbol
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SN74LS628DR - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - D
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SN74LS628DR Details

  • Manufacturer Part Number:

    SN74LS628DR

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    SOIC

  • Pin Count:

    14

  • Country Of Origin:

    Malaysia

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Family:

    LS

  • JESD-30 Code:

    R-PDSO-G14

  • JESD-609 Code:

    e4

  • Length:

    8.65 mm

  • Logic IC Type:

    LOGIC CIRCUIT

  • Max I(ol):

    0.024 A

  • Moisture Sensitivity Level:

    1

  • Number of Bits:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    14

  • Operating Temperature-Max:

    70 °C

  • Output Polarity:

    COMPLEMENTARY

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SOP

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Packing Method:

    TR

  • Peak Reflow Temperature (Cel):

    260

  • Power Supply Current-Max (ICC):

    55 mA

  • Prop. Delay@Nom-Sup:

    15 ns

  • Propagation Delay (tpd):

    15 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 (Ni/Pd/Au)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    DUAL

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

    30

  • Width:

    3.9 mm

SN74LS628DR Frequently Asked Questions (FAQs)

  • The maximum operating frequency of the SN74LS628DR is 30 MHz, but it can vary depending on the specific application and operating conditions.
  • To ensure reliable operation in high-temperature environments, it is recommended to follow proper thermal management practices, such as providing adequate heat sinking and airflow, and ensuring that the device is operated within its specified temperature range (-40°C to 85°C).
  • The recommended power-on sequence for the SN74LS628DR is to apply power to the VCC pin before applying any input signals, and to ensure that the power supply is stable and within the specified voltage range (4.75V to 5.25V) before applying any input signals.
  • To handle bus contention when using the SN74LS628DR, it is recommended to use bus buffers or transceivers to isolate the device from the system bus, and to ensure that the device is properly terminated to prevent reflections and signal degradation.
  • The maximum capacitive load that the SN74LS628DR can drive is 100 pF, but it can vary depending on the specific application and operating conditions. It is recommended to consult the datasheet and application notes for more information.

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SN74LS628DR 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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