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SN74HC257D - Texas Instruments

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

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SN74HC257D - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - D (R-PDSO-G16)
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SN74HC257D - Texas Instruments  - 3D model - Small Outline Packages - D (R-PDSO-G16)
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SN74HC257D Details

  • Manufacturer Part Number:

    SN74HC257D

  • Brand Name:

    Texas Instruments

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    SOIC

  • Pin Count:

    16

  • Country Of Origin:

    Mexico

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    0

  • Family:

    HC/UH

  • 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):

    0.0078 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

  • Peak Reflow Temperature (Cel):

    260

  • Power Supply Current-Max (ICC):

    0.08 mA

  • Prop. Delay@Nom-Sup:

    25 ns

  • Propagation Delay (tpd):

    125 ns

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1.75 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:

    3.9 mm

SN74HC257D Frequently Asked Questions (FAQs)

  • The maximum frequency of operation for the SN74HC257D is typically 40 MHz, but it can vary depending on the specific application and operating conditions.
  • To ensure proper operation, the SN74HC257D requires a stable power supply voltage (VCC) between 2 and 6 volts, with a recommended operating voltage of 5 volts. Additionally, decoupling capacitors should be used to filter out noise and ensure stable operation.
  • The propagation delay time for the SN74HC257D is typically around 10-15 ns, but this can vary depending on the specific application and operating conditions.
  • Yes, the SN74HC257D can be used as a demultiplexer by connecting the output enable (OE) input to the select input (S) and using the output (Y) as the demultiplexed output.
  • The enable input (E) is an active-low input, meaning that the device is enabled when E is low (logic 0) and disabled when E is high (logic 1). When E is high, the outputs are in a high-impedance state.

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SN74HC257D 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 SN74HC257DTG4 Rochester Electronics LLC

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Part Image 74HC257D NXP Semiconductors

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Part Image 74HC257D/T3 NXP Semiconductors

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Part Image SN74HC257D3 Texas Instruments

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