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SN74HC257N - Texas Instruments

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

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SN74HC257N - Texas Instruments PCB footprint - Dual-In-Line Packages - Dual-In-Line Packages - 16 pdip
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SN74HC257N - Texas Instruments  - 3D model - Dual-In-Line Packages - 16 pdip
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SN74HC257N Details

  • Manufacturer Part Number:

    SN74HC257N

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    DIP

  • Pin Count:

    16

  • Country Of Origin:

    Malaysia, Mexico

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Family:

    HC/UH

  • JESD-30 Code:

    R-PDIP-T16

  • JESD-609 Code:

    e4

  • Length:

    19.305 mm

  • Load Capacitance (CL):

    50 pF

  • Logic IC Type:

    MULTIPLEXER

  • Max I(ol):

    0.0078 A

  • 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:

    DIP

  • Package Equivalence Code:

    DIP16,.3

  • Package Shape:

    RECTANGULAR

  • Package Style:

    IN-LINE

  • Packing Method:

    TUBE

  • 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:

    5.08 mm

  • Supply Voltage-Max (Vsup):

    6 V

  • Supply Voltage-Min (Vsup):

    2 V

  • Supply Voltage-Nom (Vsup):

    5 V

  • Surface Mount:

    NO

  • Technology:

    CMOS

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

    Nickel/Palladium/Gold (Ni/Pd/Au)

  • Terminal Form:

    THROUGH-HOLE

  • Terminal Pitch:

    2.54 mm

  • Terminal Position:

    DUAL

  • Width:

    7.62 mm

SN74HC257N Frequently Asked Questions (FAQs)

  • The SN74HC257N can handle clock frequencies up to 40 MHz.
  • The SN74HC257N requires a single 2-V to 6-V power supply, and it's recommended to use a 0.1-μF bypass capacitor between VCC and GND to ensure proper power supply decoupling.
  • The propagation delay time of the SN74HC257N is typically around 10 ns, but it can vary depending on the operating conditions and load capacitance.
  • Yes, the SN74HC257N can be used as a demultiplexer by connecting the output enable (OE) input to GND and using the select inputs (S0 and S1) to select the output.
  • The output enable (OE) input is active-low, meaning that the outputs are enabled when OE is low (connected to GND) and disabled when OE is high (connected to VCC).

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SN74HC257N 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 CD74HC257E General Electric Solid State

Multiplexer/Demultiplexer

Part Image TC74HC257AP Toshiba America Electronic Components

Multiplexer, HC/UH Series, 4-Func, 2 Line Input, 1 Line Output, True Output, CMOS, PDIP16

Part Image M74HC257B1R STMicroelectronics

Multiplexer, HC/UH Series, 4-Func, 2 Line Input, 1 Line Output, True Output, CMOS, PDIP16

Part Image CD74HC257EE4 Texas Instruments

Multiplexer, HC/UH Series, 4-Func, 2 Line Input, 1 Line Output, True Output, CMOS, PDIP16

Part Image SN74HC257N-10 Texas Instruments

Multiplexer, HC/UH Series, 4-Func, 2 Line Input, 1 Line Output, True Output, CMOS, PDIP16

For a full list of alternate parts for SN74HC257N, check out Findchips.com