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SN74LS299DW - Texas Instruments

Description: Universal shift / storage registers

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SN74LS299DW - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - DW0020A
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SN74LS299DW - Texas Instruments  - 3D model - Small Outline Packages - DW0020A
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SN74LS299DW Details

  • Manufacturer Part Number:

    SN74LS299DW

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    SOIC

  • Pin Count:

    20

  • Country Of Origin:

    Malaysia

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Additional Feature:

    HOLD MODE; COMMON I/O PINS

  • Count Direction:

    BIDIRECTIONAL

  • Family:

    LS

  • JESD-30 Code:

    R-PDSO-G20

  • JESD-609 Code:

    e4

  • Length:

    12.8 mm

  • Load Capacitance (CL):

    15 pF

  • Logic IC Type:

    PARALLEL IN PARALLEL OUT

  • Max Frequency@Nom-Sup:

    20000000 Hz

  • Max I(ol):

    0.024 A

  • Moisture Sensitivity Level:

    1

  • Number of Bits:

    8

  • Number of Functions:

    1

  • Number of Terminals:

    20

  • Operating Temperature-Max:

    70 °C

  • Output Characteristics:

    3-STATE

  • Output Polarity:

    TRUE

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SOP

  • Package Equivalence Code:

    SOP20,.4

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Packing Method:

    TUBE

  • Peak Reflow Temperature (Cel):

    260

  • Power Supply Current-Max (ICC):

    53 mA

  • Prop. Delay@Nom-Sup:

    39 ns

  • Propagation Delay (tpd):

    39 ns

  • Qualification Status:

    Not Qualified

  • Schmitt Trigger:

    NO

  • Seated Height-Max:

    2.65 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

  • Trigger Type:

    POSITIVE EDGE

  • Width:

    7.5 mm

  • fmax-Min:

    25 MHz

SN74LS299DW Frequently Asked Questions (FAQs)

  • The maximum clock frequency of the SN74LS299DW is 25 MHz, but it can vary depending on the operating conditions and the quality of the clock signal.
  • To ensure proper power and decoupling, use a high-quality power supply with a low output impedance, and decouple the VCC pin with a 0.1 μF ceramic capacitor to ground. Additionally, use a 10 μF electrolytic capacitor in parallel to filter out any noise or ripple.
  • The recommended operating temperature range for the SN74LS299DW is 0°C to 70°C, but it can operate up to 85°C with reduced performance and reliability.
  • The asynchronous reset input (RST) should be asserted low to reset the device. The reset pulse width should be at least 10 ns, and the reset input should be synchronized with the clock signal to avoid metastability issues.
  • The maximum capacitive load that the SN74LS299DW can drive is 100 pF, but it can be increased to 500 pF with the use of a buffer or a line driver.

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SN74LS299DW 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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Part Image SN74LS299DWR2 Motorola Semiconductor Products

Parallel In Parallel Out, LS Series, 8-Bit, Bidirectional, True Output, TTL, PDSO20

Part Image SN74LS299DWRE4 Texas Instruments

Parallel In Parallel Out, LS Series, 8-Bit, Bidirectional, True Output, TTL, PDSO20

Part Image SN74LS299DWR Texas Instruments

Parallel In Parallel Out, LS Series, 8-Bit, Bidirectional, True Output, TTL, PDSO20

Part Image SN74LS299DWE4 Texas Instruments

Parallel In Parallel Out, LS Series, 8-Bit, Bidirectional, True Output, TTL, PDSO20

Part Image DM74LS299WM Fairchild Semiconductor Corporation

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For a full list of alternate parts for SN74LS299DW, check out Findchips.com