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CD74HCT221E - Texas Instruments

Description: CD74HCT221E, Dual Monostable Multivibrator, HCT, 4mA 4.5 → 5.5 V 16-Pin PDIP

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CD74HCT221E - Texas Instruments PCB footprint - Dual-In-Line Packages - Dual-In-Line Packages - N (R-PDIP-T)
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CD74HCT221E - Texas Instruments  - 3D model - Dual-In-Line Packages - N (R-PDIP-T)
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CD74HCT221E Details

  • Manufacturer Part Number:

    CD74HCT221E

  • 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:

    NON-RETRIGGERABLE

  • Family:

    HCT

  • JESD-30 Code:

    R-PDIP-T16

  • JESD-609 Code:

    e4

  • Length:

    19.305 mm

  • Load Capacitance (CL):

    50 pF

  • Logic IC Type:

    MONOSTABLE MULTIVIBRATOR

  • Max I(ol):

    0.004 A

  • Number of Bits:

    2

  • Number of Data/Clock Inputs:

    2

  • Number of Functions:

    2

  • Number of Terminals:

    16

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -55 °C

  • Output Polarity:

    COMPLEMENTARY

  • 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):

    0.08 mA

  • Propagation Delay (tpd):

    63 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

CD74HCT221E Frequently Asked Questions (FAQs)

  • The maximum frequency of operation for the CD74HCT221E is 30 MHz, but it can vary depending on the specific application and operating conditions.
  • To ensure proper power and decoupling, use a 5V power supply, add a 0.1uF ceramic capacitor between VCC and GND, and keep the power traces short and wide. Also, use a 10uF electrolytic capacitor between VCC and GND for additional decoupling.
  • The CD74HCT221E can sink or source up to 6mA per output pin, but it's recommended to limit the current to 4mA or less to ensure reliable operation.
  • The asynchronous reset input (MR) should be tied to VCC through a 1kΩ resistor and a 0.01uF capacitor to ensure proper reset operation. This helps to filter out noise and prevent unwanted resets.
  • To minimize noise and ensure reliable operation, keep the clock signal traces short and away from other signals, use a ground plane, and avoid running clock signals under the device. Also, keep the output signals away from the input signals.

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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 CD74HCT221EE4 Texas Instruments

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Part Image GD54HCT221 Goldstar Electron Co Ltd

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For a full list of alternate parts for CD74HCT221E, check out Findchips.com