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SN74HCT257D - Texas Instruments

Description: Quadruple 2-Line To 1-Line Data Selectors/Multiplexers With 3-State Outputs

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PCB Footprints
SN74HCT257D - Texas Instruments PCB footprint - Other - Other - SOIC127P600X175-16N
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SN74HCT257D - Texas Instruments  - 3D model - Other - SOIC127P600X175-16N
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SN74HCT257D Details

  • Manufacturer Part Number:

    SN74HCT257D

  • Brand Name:

    Texas Instruments

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    SOIC

  • Package Description:

    SOP-16

  • Pin Count:

    16

  • Country Of Origin:

    Mexico

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    0

  • Family:

    HCT

  • 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):

    0.0052 A

  • Moisture Sensitivity Level:

    1

  • Number of Bits:

    2

  • Number of Functions:

    4

  • Number of Inputs:

    2

  • Number of Outputs:

    1

  • Number of Terminals:

    16

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Characteristics:

    3-STATE

  • Output Polarity:

    TRUE

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SOP

  • Package Equivalence Code:

    SOP16,.25

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Packing Method:

    TUBE

  • Peak Reflow Temperature (Cel):

    260

  • Power Supply Current-Max (ICC):

    0.08 mA

  • Prop. Delay@Nom-Sup:

    38 ns

  • Propagation Delay (tpd):

    48 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:

    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:

    3.9 mm

SN74HCT257D Frequently Asked Questions (FAQs)

  • The maximum frequency of operation for the SN74HCT257D is typically 40 MHz, but it can vary depending on the specific application and operating conditions.
  • To ensure signal integrity, use short signal traces, minimize impedance mismatches, and use termination resistors if necessary. Also, ensure that the power supply is clean and well-regulated.
  • Yes, the SN74HCT257D is compatible with 3.3V and 2.5V logic levels, but the output voltage will be limited to the supply voltage (VCC). Ensure that the input signals are compatible with the device's input voltage range.
  • Power sequencing is not critical for the SN74HCT257D, but it's recommended to power up the device after the power supply has stabilized. Ensure that the power supply is well-regulated and has a low noise floor.
  • The maximum current that the SN74HCT257D can sink or source is typically 8 mA per output, but this can vary depending on the specific application and operating conditions.

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SN74HCT257D 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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