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SN74F257N - Texas Instruments

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

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SN74F257N - Texas Instruments PCB footprint - Dual-In-Line Packages - Dual-In-Line Packages - N (R-PDIP-T)
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SN74F257N - Texas Instruments  - 3D model - Dual-In-Line Packages - N (R-PDIP-T)
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SN74F257N Details

  • Manufacturer Part Number:

    SN74F257N

  • Brand Name:

    Texas Instruments

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    DIP

  • Package Description:

    PLASTIC, DIP-16

  • Pin Count:

    16

  • Country Of Origin:

    Malaysia, Mexico

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Family:

    F/FAST

  • 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):

    0.02 A

  • Number of Bits:

    4

  • Number of Functions:

    4

  • Number of Inputs:

    2

  • Number of Outputs:

    1

  • Number of Terminals:

    16

  • Operating Temperature-Max:

    70 °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):

    22 mA

  • Prop. Delay@Nom-Sup:

    7 ns

  • Propagation Delay (tpd):

    9.5 ns

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    5.08 mm

  • Supply Voltage-Max (Vsup):

    5.5 V

  • Supply Voltage-Min (Vsup):

    4.5 V

  • Supply Voltage-Nom (Vsup):

    5 V

  • Surface Mount:

    NO

  • Technology:

    TTL

  • Temperature Grade:

    COMMERCIAL

  • Terminal Finish:

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

  • Terminal Form:

    THROUGH-HOLE

  • Terminal Pitch:

    2.54 mm

  • Terminal Position:

    DUAL

  • Width:

    7.62 mm

SN74F257N Frequently Asked Questions (FAQs)

  • The SN74F257N can handle clock frequencies up to 100 MHz.
  • To prevent floating outputs, connect a pull-up or pull-down resistor to each output pin. This ensures that the outputs are in a defined state when the device is disabled.
  • Yes, the SN74F257N can be used as a 4-input multiplexer by connecting the enable inputs (G1 and G2) to logic high and using the A and B inputs as select lines.
  • The propagation delay of the SN74F257N is approximately 10 ns, but this can vary depending on the operating conditions and load capacitance.
  • To reduce power consumption, ensure that the inputs are properly terminated, minimize the number of transitions on the inputs, and consider using a lower power supply voltage (e.g., 3.3 V instead of 5 V).

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SN74F257N 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 MC54F257J Motorola Semiconductor Products

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For a full list of alternate parts for SN74F257N, check out Findchips.com