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CD74HCT147E - Texas Instruments

Description: Texas Instruments CD74HCT147E, Priority Encoder, 9 to 4, 4.5 → 5.5 V, 16-Pin PDIP

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CD74HCT147E - Texas Instruments PCB footprint - Dual-In-Line Packages - Dual-In-Line Packages - N (R-PDIP-T16)
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CD74HCT147E - Texas Instruments  - 3D model - Dual-In-Line Packages - N (R-PDIP-T16)
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CD74HCT147E Details

  • Manufacturer Part Number:

    CD74HCT147E

  • 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

  • Additional Feature:

    9 TO 4 LINE PRIORITY ENCODER

  • Family:

    HCT

  • JESD-30 Code:

    R-PDIP-T16

  • JESD-609 Code:

    e4

  • Length:

    19.305 mm

  • Load Capacitance (CL):

    50 pF

  • Logic IC Type:

    ENCODER

  • Max I(ol):

    0.004 A

  • 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

  • Power Supply Current-Max (ICC):

    0.16 mA

  • Prop. Delay@Nom-Sup:

    35 ns

  • Propagation Delay (tpd):

    53 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:

    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

CD74HCT147E Frequently Asked Questions (FAQs)

  • The CD74HCT147E can handle clock frequencies up to 30 MHz.
  • The CD74HCT147E requires a power supply voltage (VCC) of 4.5V to 5.5V, and it's recommended to use a decoupling capacitor of 0.1uF to 1uF between VCC and GND to ensure proper power supply decoupling.
  • The propagation delay of the CD74HCT147E is typically around 10ns to 15ns, depending on the operating conditions and load capacitance.
  • Yes, the CD74HCT147E can operate at 3.3V, but the output voltage levels may not be compatible with 3.3V logic. It's recommended to use a level translator or a voltage regulator to ensure compatibility.
  • The enable inputs (ENP and ENN) are active-low, meaning that the encoder is enabled when ENP and ENN are both low. It's recommended to tie ENP and ENN to GND or VCC through a pull-down resistor to ensure proper operation.

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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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