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CD54HCT251F3A - Texas Instruments

Description: High-Speed CMOS Logic 8-Input Multiplexer, Three-State

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CD54HCT251F3A - Texas Instruments - PCB symbol
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CD54HCT251F3A - Texas Instruments PCB footprint - Ceramic Dual-In-Line Packages - Ceramic Dual-In-Line Packages - J(R-CDIP-T16)
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CD54HCT251F3A - Texas Instruments - 3D model - Ceramic Dual-In-Line Packages - J(R-CDIP-T16)
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CD54HCT251F3A Details

  • Manufacturer Part Number:

    CD54HCT251F3A

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    DIP

  • Pin Count:

    16

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Family:

    HCT

  • JESD-30 Code:

    R-GDIP-T16

  • JESD-609 Code:

    e0

  • Length:

    19.56 mm

  • Load Capacitance (CL):

    50 pF

  • Logic IC Type:

    MULTIPLEXER

  • Max I(ol):

    0.004 A

  • Number of Bits:

    8

  • Number of Functions:

    1

  • Number of Inputs:

    8

  • Number of Outputs:

    1

  • Number of Terminals:

    16

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -55 °C

  • Output Characteristics:

    3-STATE

  • Output Polarity:

    COMPLEMENTARY

  • Package Body Material:

    CERAMIC, GLASS-SEALED

  • 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:

    18 ns

  • Propagation Delay (tpd):

    63 ns

  • Qualification Status:

    Not Qualified

  • Screening Level:

    38535Q/M;38534H;883B

  • 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:

    CMOS

  • Temperature Grade:

    MILITARY

  • Terminal Finish:

    Tin/Lead (Sn/Pb)

  • Terminal Form:

    THROUGH-HOLE

  • Terminal Pitch:

    2.54 mm

  • Terminal Position:

    DUAL

  • Width:

    7.62 mm

CD54HCT251F3A Frequently Asked Questions (FAQs)

  • The recommended operating voltage range for the CD54HCT251F3A is 4.5V to 5.5V, with a typical voltage of 5V.
  • To ensure signal integrity, use a low-impedance PCB layout, keep signal traces short, and use termination resistors as needed. Also, consider using a buffer or repeater to maintain signal strength and reduce reflections.
  • While the CD54HCT251F3A is specified for 5V operation, it can be used in a 3.3V system with some limitations. However, the output voltage levels may not meet the required specifications, and the device may not function correctly. It's recommended to use a level translator or a 3.3V-compatible version of the device instead.
  • To ensure proper operation, power up the VCC pin before applying any input signals, and power down the VCC pin after removing all input signals. Also, ensure that the power rails are sequenced correctly to prevent damage to the device or other components in the system.
  • The maximum clock frequency supported by the CD54HCT251F3A is 30 MHz, but this can vary depending on the specific application and operating conditions. It's recommended to consult the datasheet and perform thorough testing to ensure reliable operation at the desired clock frequency.

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CD54HCT251F3A 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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