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SN74HC251NSR - Texas Instruments

Description: Data Selectors/Multiplexers With 3-State Outputs

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SN74HC251NSR - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - NS (R-PDSO-G16)
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SN74HC251NSR - Texas Instruments  - 3D model - Small Outline Packages - NS (R-PDSO-G16)
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SN74HC251NSR Details

  • Manufacturer Part Number:

    SN74HC251NSR

  • 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:

    HC/UH

  • JESD-30 Code:

    R-PDSO-G16

  • JESD-609 Code:

    e4

  • Length:

    10.2 mm

  • Load Capacitance (CL):

    150 pF

  • Logic IC Type:

    MULTIPLEXER

  • Max I(ol):

    0.0078 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:

    85 °C

  • Operating Temperature-Min:

    -40 °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, 13 INCH

  • Peak Reflow Temperature (Cel):

    260

  • Power Supply Current-Max (ICC):

    0.08 mA

  • Prop. Delay@Nom-Sup:

    75 ns

  • Propagation Delay (tpd):

    375 ns

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    2 mm

  • Supply Voltage-Max (Vsup):

    6 V

  • Supply Voltage-Min (Vsup):

    2 V

  • Supply Voltage-Nom (Vsup):

    5 V

  • Surface Mount:

    YES

  • Technology:

    CMOS

  • Temperature Grade:

    INDUSTRIAL

  • 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

SN74HC251NSR Frequently Asked Questions (FAQs)

  • The maximum operating frequency of the SN74HC251NSR is 50 MHz, but it can vary depending on the specific application and operating conditions.
  • The enable pins (EN1 and EN2) are active-low, meaning that the device is enabled when the pins are low. You can tie them to GND or use a logic signal to control the device's operation.
  • The recommended power-on sequence is to apply power to the VCC pin before applying any input signals. This ensures that the device is properly initialized and minimizes the risk of latch-up or other issues.
  • Yes, the SN74HC251NSR is compatible with 5V systems, but you should ensure that the input signals do not exceed the maximum rating of 5.5V. Additionally, you may need to use level shifters or voltage dividers to interface with 5V logic signals.
  • The output enable (OE) pin is active-low, meaning that the outputs are enabled when the pin is low. You can tie it to GND or use a logic signal to control the output state.

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SN74HC251NSR 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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