CD74HCT21E The Texas Instruments CD74HCT21E is a dual 4-input AND gate IC. It operates within a voltage range of 4.5V to 5.5V and has a wide operating temperature range.
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CD74HCT21E

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Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments CD74HCT21E is a dual 4-input AND gate IC. It operates within a voltage range of 4.5V to 5.5V and has a wide operating temperature range.
✓ Total Stock: 2 pcs
$ Price Range: $0.37

CD74HCT21E Available from 1 distributor

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CD74HCT21E Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Current
Input Logic Level
Logic Type
Max Propagation Delay @ V, Max CL
Mounting Type
Number of Circuits
Number of Inputs
Operating Temperature
Supplier Device Package
Supplier Package
Voltage

CD74HCT21E Description

Short technical summary and product information.

The Texas Instruments CD74HCT21E is an integrated circuit featuring two independent 4-input AND gates. Each gate performs the Boolean function Y = A ● B ● C ● D in positive logic. This device is designed for a wide operating voltage range of 4.5V to 5.5V, making it suitable for various digital applications.

 

The CD74HCT21E offers LSTTL input logic compatibility with VIL(max) = 0.8 V and VIH(min) = 2 V, and CMOS input logic compatibility with I I ≤ 1 µA at VOL, VOH. It features buffered inputs and supports a fanout of up to 10 LSTTL loads, providing significant power reduction compared to LSTTL logic ICs.

 

Packaged in a 14-pin DIP (0.300", 7.62mm) format, this component is designed for through-hole mounting. It operates across a wide temperature range of -55°C to 125°C, ensuring reliability in diverse environmental conditions. The maximum propagation delay is specified at 27ns at 4.5V with a 50pF load capacitance.

CD74HCT21E Quick Information

Product Type: AND Gate
Series: CD74HCT21
Canonical Name: Texas Instruments CD74HCT21E Dual 4-Input AND Gate
Subcategory: AND Gates

CD74HCT21E Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

CD74HCT21E Estimated Pricing

Qty Low High
1+ $0.37 $0.37

Estimated market price range - modelled values for guidance only, not live distributor offers.

CD74HCT21E Features

  • Dual 4-input AND gates integrated.
  • Wide 4.5V to 5.5V operating voltage.
  • Operates from -55°C to 125°C.
  • 14-pin DIP package for through-hole mounting.
  • Supports LSTTL and CMOS input logic.

CD74HCT21E Applications

  • General purpose logic AND operations.
  • Used in control and signal processing circuits.
  • Suitable for high-speed CMOS logic systems.
  • Ideal for TTL-compatible logic interfaces.
  • Employed in industrial temperature range applications.

CD74HCT21E FAQs

6 frequently asked questions generated from this part’s specifications.
What type of logic gate is the CD74HCT21E?

The CD74HCT21E is an AND Gate.

How many AND gates are in the CD74HCT21E?

The CD74HCT21E contains 2 independent AND gates.

What is the operating voltage range for the CD74HCT21E?

The CD74HCT21E operates within a voltage range of 4.5V to 5.5V.

What is the operating temperature range of the CD74HCT21E?

The CD74HCT21E has an operating temperature range of -55°C to 125°C.

What package type is the CD74HCT21E available in?

The CD74HCT21E is available in a 14-DIP (0.300", 7.62mm) package.

How should the CD74HCT21E be mounted?

The CD74HCT21E is designed for through-hole mounting.

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