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CD74HCT299E - Texas Instruments

Description: High Speed CMOS Logic 8-Bit Universal Shift Register with 3-State Outputs

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CD74HCT299E - Texas Instruments PCB footprint - Dual-In-Line Packages - Dual-In-Line Packages - N (R-PDIP-T20)
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CD74HCT299E - Texas Instruments  - 3D model - Dual-In-Line Packages - N (R-PDIP-T20)
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CD74HCT299E Details

  • Manufacturer Part Number:

    CD74HCT299E

  • 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:

    COMMON I/O PINS; GATED OUTPUT CONTROL

  • Count Direction:

    BIDIRECTIONAL

  • Family:

    HCT

  • JESD-30 Code:

    R-PDIP-T20

  • JESD-609 Code:

    e4

  • Length:

    25.4 mm

  • Load Capacitance (CL):

    50 pF

  • Logic IC Type:

    PARALLEL IN PARALLEL OUT

  • Max Frequency@Nom-Sup:

    16000000 Hz

  • Max I(ol):

    0.004 A

  • Number of Bits:

    8

  • Number of Functions:

    1

  • Number of Terminals:

    20

  • 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:

    DIP20,.3

  • Package Shape:

    RECTANGULAR

  • Package Style:

    IN-LINE

  • Packing Method:

    TUBE

  • Power Supply Current-Max (ICC):

    0.16 mA

  • Prop. Delay@Nom-Sup:

    56 ns

  • Propagation Delay (tpd):

    68 ns

  • Qualification Status:

    Not Qualified

  • Schmitt Trigger:

    NO

  • 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

  • Trigger Type:

    POSITIVE EDGE

  • Width:

    7.62 mm

  • fmax-Min:

    24 MHz

CD74HCT299E Frequently Asked Questions (FAQs)

  • The CD74HCT299E can handle clock frequencies up to 100 MHz, but it's recommended to check the specific application and operating conditions to ensure reliable operation.
  • It's essential to follow proper power supply decoupling and bypassing techniques, such as using 0.1 μF and 10 μF capacitors, to ensure stable operation and minimize noise. Also, make sure to provide a clean and stable power supply voltage within the recommended range.
  • The CD74HCT299E is rated for operation from -40°C to 125°C, but it's recommended to operate within the 0°C to 70°C range for optimal performance and reliability.
  • The RST input should be asserted low to reset the counter. It's recommended to use a pull-up resistor to ensure the input is not left floating, and to use a debouncing circuit to prevent multiple reset pulses.
  • The CD74HCT299E is designed as a BCD (Binary-Coded Decimal) counter, but it can be used as a binary counter by ignoring the BCD encoding and using the binary output. However, keep in mind that the counter will still increment in BCD format, so you may need to add additional logic to convert the output to binary.

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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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For a full list of alternate parts for CD74HCT299E, check out Findchips.com