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CD74HC221EE4 - Texas Instruments

Description: CD74HC221EE4, Dual Monostable Multivibrator, HC, 5.2mA 2 → 6 V 16-Pin PDIP

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CD74HC221EE4 - Texas Instruments - PCB symbol
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PCB Footprints
CD74HC221EE4 - Texas Instruments PCB footprint - Dual-In-Line Packages - Dual-In-Line Packages - PDIP 16
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CD74HC221EE4 - Texas Instruments - 3D model - Dual-In-Line Packages - PDIP 16
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CD74HC221EE4 Details

  • Manufacturer Part Number:

    CD74HC221EE4

  • 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:

    NON-RETRIGGERABLE

  • Family:

    HC/UH

  • JESD-30 Code:

    R-PDIP-T16

  • JESD-609 Code:

    e4

  • Length:

    19.305 mm

  • Logic IC Type:

    MONOSTABLE MULTIVIBRATOR

  • 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

  • Propagation Delay (tpd):

    315 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):

    4.5 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

CD74HC221EE4 Frequently Asked Questions (FAQs)

  • The maximum frequency of operation for the CD74HC221EE4 is 25 MHz, but it can vary depending on the specific application and operating conditions.
  • To ensure proper power supply, connect VCC to a stable 2-V to 6-V power source, and GND to a reliable ground connection. Also, decouple the power supply with a 0.1-μF capacitor to reduce noise and ensure stable operation.
  • The CD74HC221EE4 can sink or source up to 25 mA of current per output pin, but it's recommended to limit the current to 10 mA or less to ensure reliable operation and prevent overheating.
  • The asynchronous reset input (MR) should be tied to VCC through a pull-up resistor (e.g., 1 kΩ) to ensure that the device is not inadvertently reset. When MR is low, the device is reset, and all outputs are set to a high-impedance state.
  • The propagation delay time for the CD74HC221EE4 is typically around 10 ns to 20 ns, depending on the operating frequency and temperature. This delay time is the time it takes for the output to change state after the input has changed.

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CD74HC221EE4 Overview

Use the download button to access the CD74HC221EE4 schematic symbol, PCB footprint, and 3D model.
To find more CAD model downloads similar to this part, try a partial part number search, like CD74H, or try a keyword search, such as Prescaler/Multivibrators

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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