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74AC11257N - Texas Instruments

Description: Texas Instruments 74AC11257N, Demultiplexer Quad 2:1 Multiplexer, 5 V, 20-Pin PDIP

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74AC11257N - Texas Instruments PCB footprint - Dual-In-Line Packages - Dual-In-Line Packages - N (R-PDIP-T-20)
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74AC11257N - Texas Instruments  - 3D model - Dual-In-Line Packages - N (R-PDIP-T-20)
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74AC11257N Details

  • Manufacturer Part Number:

    74AC11257N

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    DIP

  • Pin Count:

    20

  • Country Of Origin:

    Malaysia

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Additional Feature:

    CENTER VCC/GND PINS

  • Family:

    AC

  • JESD-30 Code:

    R-PDIP-T20

  • JESD-609 Code:

    e4

  • Length:

    25.4 mm

  • Load Capacitance (CL):

    50 pF

  • Logic IC Type:

    MULTIPLEXER

  • Max I(ol):

    0.024 A

  • Number of Bits:

    2

  • Number of Functions:

    4

  • Number of Inputs:

    2

  • Number of Outputs:

    1

  • Number of Terminals:

    20

  • 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:

    DIP20,.3

  • Package Shape:

    RECTANGULAR

  • Package Style:

    IN-LINE

  • Packing Method:

    TUBE

  • Power Supply Current-Max (ICC):

    0.04 mA

  • Prop. Delay@Nom-Sup:

    10.1 ns

  • Propagation Delay (tpd):

    10.1 ns

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    5.08 mm

  • Supply Voltage-Max (Vsup):

    5.5 V

  • Supply Voltage-Min (Vsup):

    3 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

74AC11257N Frequently Asked Questions (FAQs)

  • The recommended operating voltage range for the 74AC11257N is 2.0V to 3.6V, with a typical voltage of 3.3V.
  • It is recommended to power up the VCC pin before the input signals, and power down the VCC pin after the input signals. This ensures that the device is properly initialized and avoids any potential latch-up or damage.
  • The maximum clock frequency supported by the 74AC11257N is 100 MHz, but it can vary depending on the specific application and operating conditions.
  • To ensure signal integrity and minimize noise, it is recommended to use a low-impedance output driver, such as a 50-ohm resistor, and to keep the output traces short and well-shielded. Additionally, using a decoupling capacitor on the VCC pin can help to reduce noise and improve signal quality.
  • The maximum output current that the 74AC11257N can drive is 24 mA, but it is recommended to limit the output current to 12 mA or less to ensure reliable operation and minimize power consumption.

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74AC11257N 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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