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CD74HC257E - Texas Instruments

Description: High Speed CMOS Logic Quad 2-Input Multiplexers with Non-Inverting 3-State Outputs

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CD74HC257E - Texas Instruments PCB footprint - Dual-In-Line Packages - Dual-In-Line Packages - N (R-PDIP-T16)
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CD74HC257E - Texas Instruments  - 3D model - Dual-In-Line Packages - N (R-PDIP-T16)
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CD74HC257E Details

  • Manufacturer Part Number:

    CD74HC257E

  • 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):

    0.0052 A

  • Number of Bits:

    2

  • Number of Functions:

    4

  • Number of Inputs:

    2

  • Number of Outputs:

    1

  • Number of Terminals:

    16

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -55 °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):

    0.16 mA

  • Prop. Delay@Nom-Sup:

    38 ns

  • Propagation Delay (tpd):

    225 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):

    4.5 V

  • Surface Mount:

    NO

  • Technology:

    CMOS

  • Temperature Grade:

    MILITARY

  • Terminal Finish:

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

  • Terminal Form:

    THROUGH-HOLE

  • Terminal Pitch:

    2.54 mm

  • Terminal Position:

    DUAL

  • Width:

    7.62 mm

CD74HC257E Frequently Asked Questions (FAQs)

  • The maximum frequency of operation for the CD74HC257E is 25 MHz, but it can vary depending on the operating voltage and load capacitance.
  • To ensure proper power supply, connect VCC to a stable 2-V to 6-V power source, and GND to a reliable ground connection. Also, decouple the power supply with a 0.1-μF capacitor to reduce noise and ensure stable operation.
  • The maximum input voltage that the CD74HC257E can handle is 6.5 V, which is the absolute maximum rating. However, it's recommended to keep the input voltage within the recommended operating voltage range of 2 V to 6 V for reliable operation.
  • Yes, the CD74HC257E can be used in a 3.3-V system. In fact, it's a popular choice for 3.3-V systems due to its wide operating voltage range of 2 V to 6 V.
  • Unused inputs of the CD74HC257E should be tied to a valid logic level (either VCC or GND) to prevent them from floating and causing unwanted switching or power consumption.

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CD74HC257E 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 Rochester Electronics LLC

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Part Image TC74HC257AP Toshiba America Electronic Components

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Part Image CD74HC257E Intersil Corporation

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Part Image SN74HC257N-10 Texas Instruments

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Part Image SNJ54HC257J-00 Texas Instruments

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For a full list of alternate parts for CD74HC257E, check out Findchips.com