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CD74HCT21ME4 - Texas Instruments

Description: Logic Gates Hi-Speed CMOS Logic Dual 4-Inp AND Gate

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CD74HCT21ME4 - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - D (-R-PDSO-G14)
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3D Models
CD74HCT21ME4 - Texas Instruments  - 3D model - Small Outline Packages - D (-R-PDSO-G14)
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CD74HCT21ME4 Details

  • Manufacturer Part Number:

    CD74HCT21ME4

  • Brand Name:

    Texas Instruments

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    SOIC

  • Package Description:

    SOIC-14

  • Pin Count:

    14

  • Country Of Origin:

    Malaysia

  • HTS Code:

    8542.39.00.60

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    0

  • Family:

    HCT

  • JESD-30 Code:

    R-PDSO-G14

  • JESD-609 Code:

    e4

  • Length:

    8.65 mm

  • Load Capacitance (CL):

    50 pF

  • Logic IC Type:

    AND GATE

  • Max I(ol):

    0.004 A

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    2

  • Number of Inputs:

    4

  • Number of Terminals:

    14

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -55 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SOP

  • Package Equivalence Code:

    SOP14,.25

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Packing Method:

    TUBE

  • Peak Reflow Temperature (Cel):

    260

  • Power Supply Current-Max (ICC):

    0.04 mA

  • Prop. Delay@Nom-Sup:

    41 ns

  • Propagation Delay (tpd):

    41 ns

  • Qualification Status:

    Not Qualified

  • Schmitt Trigger:

    NO

  • Seated Height-Max:

    1.75 mm

  • Supply Voltage-Max (Vsup):

    5.5 V

  • Supply Voltage-Min (Vsup):

    4.5 V

  • Supply Voltage-Nom (Vsup):

    5 V

  • Surface Mount:

    YES

  • Technology:

    CMOS

  • Temperature Grade:

    MILITARY

  • Terminal Finish:

    NICKEL PALLADIUM GOLD

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    DUAL

  • Time@Peak Reflow Temperature-Max (s):

    30

  • Width:

    3.9 mm

CD74HCT21ME4 Frequently Asked Questions (FAQs)

  • The recommended operating voltage range for CD74HCT21ME4 is 4.5V to 5.5V, although it can operate down to 4.0V with reduced performance.
  • To ensure signal integrity, use a low-impedance PCB layout, keep signal traces short, and use termination resistors or capacitors as needed to minimize reflections and ringing.
  • While CD74HCT21ME4 is specified for 5V operation, it can be used in a 3.3V system with some limitations. However, the output voltage levels may not meet the required specifications, and the device may not function correctly.
  • The maximum clock frequency supported by CD74HCT21ME4 is 25 MHz, although this can vary depending on the specific application and operating conditions.
  • To avoid latch-up or other issues, ensure that the power supply voltage (VCC) is stable and within the recommended range before applying clock or input signals. Also, ensure that the power-down sequence is slow enough to avoid voltage spikes or glitches.

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CD74HCT21ME4 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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For a full list of alternate parts for CD74HCT21ME4, check out Findchips.com