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SN74ALS251DR - Texas Instruments

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

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SN74ALS251DR - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - D (R-PDSO-G16)
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SN74ALS251DR - Texas Instruments  - 3D model - Small Outline Packages - D (R-PDSO-G16)
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SN74ALS251DR Details

  • Manufacturer Part Number:

    SN74ALS251DR

  • 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:

    Mexico

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Family:

    ALS

  • JESD-30 Code:

    R-PDSO-G16

  • JESD-609 Code:

    e4

  • Length:

    9.9 mm

  • Load Capacitance (CL):

    50 pF

  • Logic IC Type:

    MULTIPLEXER

  • Max I(ol):

    0.024 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,.25

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Packing Method:

    TR

  • Peak Reflow Temperature (Cel):

    260

  • Power Supply Current-Max (ICC):

    10 mA

  • Prop. Delay@Nom-Sup:

    24 ns

  • Propagation Delay (tpd):

    24 ns

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1.75 mm

  • Supply Voltage-Max (Vsup):

    5.5 V

  • Supply Voltage-Min (Vsup):

    4.5 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

SN74ALS251DR Frequently Asked Questions (FAQs)

  • The maximum operating frequency of the SN74ALS251DR is 100 MHz, but it can vary depending on the specific application and operating conditions.
  • To ensure signal integrity, use proper PCB layout techniques, such as impedance matching, signal routing, and decoupling. Additionally, consider using series termination resistors and/or parallel termination resistors to reduce signal reflections.
  • Yes, the SN74ALS251DR is compatible with 3.3V systems, but it's essential to ensure that the input voltage levels are within the recommended range (VCC - 0.5V to VCC + 0.5V) to maintain proper operation.
  • To avoid latch-up or other issues, ensure that the power supplies to each device are sequenced correctly. Typically, power up the devices in the following order: VCC, then input signals, and finally output loads.
  • The recommended storage temperature range for the SN74ALS251DR is -65°C to 150°C. Storing the device outside this range may affect its reliability or performance.

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SN74ALS251DR 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 74ALS251D Philips Semiconductors

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Part Image SN74ALS251D Texas Instruments

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Part Image 74ALS251D NXP Semiconductors

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Part Image SN74ALS251DRG4 Texas Instruments

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Part Image N74ALS251D-T NXP Semiconductors

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For a full list of alternate parts for SN74ALS251DR, check out Findchips.com