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SN74LS251NSR - Texas Instruments

Description: Encoders, Decoders, Multiplexers & Demultiplexers 8 To 1 Data Slctr/ Mltplxr W/3-St Otpt

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SN74LS251NSR - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - NS (R-PDSO-G16)
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SN74LS251NSR - Texas Instruments  - 3D model - Small Outline Packages - NS (R-PDSO-G16)
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SN74LS251NSR Details

  • Manufacturer Part Number:

    SN74LS251NSR

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    SOIC

  • 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-PDSO-G16

  • JESD-609 Code:

    e4

  • Length:

    10.2 mm

  • Load Capacitance (CL):

    15 pF

  • Logic IC Type:

    MULTIPLEXER

  • Max I(ol):

    0.008 A

  • Moisture Sensitivity Level:

    1

  • Number of Bits:

    8

  • Number of Functions:

    1

  • Number of Inputs:

    8

  • Number of Outputs:

    1

  • Number of Terminals:

    16

  • Operating Temperature-Max:

    70 °C

  • Output Characteristics:

    3-STATE

  • Output Polarity:

    COMPLEMENTARY

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SOP

  • Package Equivalence Code:

    SOP16,.3

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Packing Method:

    TR

  • Peak Reflow Temperature (Cel):

    260

  • Power Supply Current-Max (ICC):

    12 mA

  • Prop. Delay@Nom-Sup:

    45 ns

  • Propagation Delay (tpd):

    45 ns

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    2 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:

    5.3 mm

SN74LS251NSR Frequently Asked Questions (FAQs)

  • The maximum operating frequency of the SN74LS251NSR 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 SN74LS251NSR is to apply power to the VCC pin before applying any input signals, and to ensure that all input signals are stable before applying the clock signal.
  • To handle bus contention when using the SN74LS251NSR in a multi-master bus system, it is recommended to use a bus arbiter or a bus controller to manage access to the bus, and to ensure that only one master device is driving the bus at a time.
  • The maximum capacitive load that the SN74LS251NSR can drive is 100 pF, but it can vary depending on the specific application and operating conditions.

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SN74LS251NSR 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 HD74LS251FP Hitachi Ltd

Multiplexer, LS Series, 1-Func, 8 Line Input, 1 Line Output, Complementary Output, TTL, PDSO16

Part Image HD74LS251FP-EL Hitachi Ltd

Multiplexer, LS Series, 1-Func, 8 Line Input, 1 Line Output, Complementary Output, TTL, PDSO16

Part Image SN74LS251NSRE4 Rochester Electronics LLC

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Part Image SN74LS251NSRG4 Texas Instruments

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Part Image 74LS251SC Fairchild Semiconductor Corporation

Multiplexer, LS Series, 1-Func, 8 Line Input, 1 Line Output, Complementary Output, TTL, PDSO16

For a full list of alternate parts for SN74LS251NSR, check out Findchips.com