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CD74HCT21E - Texas Instruments

Description: High Speed CMOS Logic Dual 4-Input AND Gate

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CD74HCT21E - Texas Instruments PCB footprint - Dual-In-Line Packages - Dual-In-Line Packages - 14 Ld PDIP
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CD74HCT21E - Texas Instruments  - 3D model - Dual-In-Line Packages - 14 Ld PDIP
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CD74HCT21E Details

  • Manufacturer Part Number:

    CD74HCT21E

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    DIP

  • Package Description:

    PDIP-14

  • Pin Count:

    14

  • Country Of Origin:

    Malaysia, Mexico

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Family:

    HCT

  • JESD-30 Code:

    R-PDIP-T14

  • JESD-609 Code:

    e4

  • Length:

    19.305 mm

  • Load Capacitance (CL):

    50 pF

  • Logic IC Type:

    AND GATE

  • Max I(ol):

    0.004 A

  • 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:

    DIP

  • Package Equivalence Code:

    DIP14,.3

  • Package Shape:

    RECTANGULAR

  • Package Style:

    IN-LINE

  • Packing Method:

    TUBE

  • 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:

    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

CD74HCT21E Frequently Asked Questions (FAQs)

  • The maximum frequency of operation for the CD74HCT21E is typically 30 MHz, but it can vary depending on the specific application and operating conditions.
  • To ensure proper power supply, connect VCC to a 5V power source and GND to ground. Make sure to decouple the power supply with a 0.1uF capacitor to reduce noise and ensure stable operation.
  • The maximum input voltage that the CD74HCT21E can handle is 5.5V. Exceeding this voltage may cause damage to the device.
  • Yes, the CD74HCT21E can be used in a 3.3V system, but the output voltage will be limited to 3.3V. Additionally, the device's performance may be affected at lower voltages.
  • Unused inputs on the CD74HCT21E should be tied to VCC or GND through a 1kΩ resistor to prevent floating inputs and 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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Part Image CD74HCT21EE4 Texas Instruments

AND Gate, HCT Series, 2-Func, 4-Input, CMOS, PDIP14