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SN74HC21D The Texas Instruments SN74HC21D is a dual 4-input AND gate IC. It operates over a wide voltage range of 2V to 6V and is housed in a 14-SOIC package.
Mfr Part #:

SN74HC21D

Available from 3 distributors
Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments SN74HC21D is a dual 4-input AND gate IC. It operates over a wide voltage range of 2V to 6V and is housed in a 14-SOIC package.
✓ Total Stock: 237 pcs
$ Price Range: $0.44

SN74HC21D Available from 3 distributors

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✓ Non-Authorised
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Braun Electronic Components ✓
Non-Authorised Inventory information
100 pcs
On Request
100 pcs On Request 1 On Request On Request On Request On Request On Request
Emiteli ✓
Non-Authorised Inventory information
100 pcs
On Request
100 pcs On Request 1 On Request On Request On Request On Request On Request
MW.FEP S.p.A. ✓
Non-Authorised Inventory information
37 pcs
On Request
37 pcs On Request 1 On Request On Request On Request On Request On Request
DistyParts aggregates offers from multiple distributors. Final prices, lead times and terms are subject to the distributors' discretion and may change without prior notice. DistyParts is not liable for any discrepancies.

SN74HC21D Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Current
Halogen Free
Input Logic Level
Logic Type
Max Propagation Delay @ V, Max CL
Mounting Type
Number of Circuits
Number of Inputs
Operating Temperature
SVHC Present
Supplier Device Package
Supplier Package
Voltage
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SN74HC21D Description

Short technical summary and product information.

The SN74HC21D from Texas Instruments is a high-speed CMOS logic device containing two independent 4-input AND gates. Each gate performs the Boolean function Y = A ● B ● C ● D in positive logic. This IC is designed for a wide operating voltage range from 2V to 6V, making it suitable for various applications.

 

The device features buffered inputs and supports a fanout of up to 10 LSTTL loads. It offers significant power reduction compared to traditional LSTTL logic. The operating temperature range is -40°C to +85°C, and it comes in a 14-SOIC surface mount package.

 

Key electrical characteristics include an operating current of 5.2mA and a maximum propagation delay of 19ns at 6V with a 50pF load. The input logic levels range from 1.5V to 4.2V.

 

This component is ideal for digital logic applications requiring reliable AND gate functionality. Its robust design and wide operating parameters ensure consistent performance in diverse environments.

SN74HC21D Quick Information

Product Type: AND Gate
Series: 74HC
Canonical Name: SN74HC21 Dual 4-Input AND Gate
Subcategory: AND Gates

SN74HC21D Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected
Lead Free: No

SN74HC21D Estimated Pricing

Qty Low High
1+ $0.44 $0.44

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

SN74HC21D Features

  • Contains two independent 4-input AND gates.
  • Wide operating voltage range: 2V to 6V.
  • Wide operating temperature range: -40°C to +85°C.
  • Surface mount 14-SOIC package.
  • High-speed CMOS logic performance.

SN74HC21D Applications

  • Digital logic signal processing.
  • Control and gating functions.
  • Interface between logic levels.
  • Embedded system design.

SN74HC21D FAQs

6 frequently asked questions generated from this part’s specifications.
What is the operating voltage range of the SN74HC21D?

The SN74HC21D operates from 2V to 6V.

What is the propagation delay of the SN74HC21D?

The maximum propagation delay is 19ns at 6V and 50pF load.

What package does the SN74HC21D come in?

The SN74HC21D is available in a 14-SOIC surface-mount package.

What is the operating temperature range of the SN74HC21D?

The operating temperature range is -40°C to 85°C.

How many inputs does each gate on the SN74HC21D have?

Each of the two AND gates has four inputs.

What is the logic type of the SN74HC21D?

The logic type is AND Gate.

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