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CD74HC147EE4 - Texas Instruments

Description: CD74HC147EE4, Priority Encoder HC, 9 to 4, 2 → 6 V 16-Pin PDIP

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CD74HC147EE4 - Texas Instruments PCB footprint - Dual-In-Line Packages - Dual-In-Line Packages - N (R-PDIP-T16)
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CD74HC147EE4 - Texas Instruments  - 3D model - Dual-In-Line Packages - N (R-PDIP-T16)
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CD74HC147EE4 Details

  • Manufacturer Part Number:

    CD74HC147EE4

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    DIP

  • Package Description:

    DIP-16

  • Pin Count:

    16

  • HTS Code:

    8542.39.00.60

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    0

  • Additional Feature:

    9 TO 4 LINE PRIORITY ENCODER

  • 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:

    ENCODER

  • Number of Bits:

    9

  • Number of Functions:

    1

  • Number of Terminals:

    16

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -55 °C

  • 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

  • Propagation Delay (tpd):

    240 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:

    MILITARY

  • Terminal Finish:

    NICKEL PALLADIUM GOLD

  • Terminal Form:

    THROUGH-HOLE

  • Terminal Pitch:

    2.54 mm

  • Terminal Position:

    DUAL

  • Width:

    7.62 mm

CD74HC147EE4 Frequently Asked Questions (FAQs)

  • The maximum operating frequency of the CD74HC147EE4 is 25 MHz, but it can vary depending on the specific application and operating conditions.
  • To ensure reliable operation in high-temperature environments, it is recommended to follow proper thermal management practices, such as providing adequate heat sinking and airflow, and ensuring that the device is operated within its specified temperature range (-40°C to 125°C).
  • The recommended power-on sequence for the CD74HC147EE4 is to apply power to the VCC pin before applying any input signals, and to ensure that the input signals are stable before applying power to the VCC pin.
  • Unused inputs on the CD74HC147EE4 should be tied to a valid logic level (either VCC or GND) to prevent floating inputs and ensure reliable operation.
  • The maximum current that can be sourced or sunk by the CD74HC147EE4 is 25 mA per output pin, but it is recommended to limit the current to 10 mA or less to ensure reliable operation.

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CD74HC147EE4 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 74HC147NB NXP Semiconductors

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Part Image M74HC147B1R STMicroelectronics

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Part Image MC74HC147ND Motorola Semiconductor Products

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For a full list of alternate parts for CD74HC147EE4, check out Findchips.com