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SN74LS21N The SN74LS21N is a dual 4-input positive-AND gate from Texas Instruments, operating within the LS logic family. It is designed for general-purpose logic applications.
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SN74LS21N

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Mfr Name: Portugal
Portugal
The SN74LS21N is a dual 4-input positive-AND gate from Texas Instruments, operating within the LS logic family. It is designed for general-purpose logic applications.
✓ Total Stock: 17 pcs
$ Price Range: $10.35

SN74LS21N Available from 1 distributor

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SN74LS21N Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Mounting Type
Number of Gates
Number of Inputs
Operating Temperature
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SN74LS21N Description

Short technical summary and product information.

The SN74LS21N is a dual 4-input positive-AND gate integrated circuit manufactured by Texas Instruments. It belongs to the LS (Low-power Schottky) logic family, offering a balance of speed and power consumption.

 

This component features two independent 4-input AND gates within a single package. Each gate performs the logical AND function, meaning the output is high only when all four inputs are high. The device operates with a supply voltage range of 4.75V to 5.25V and is designed for operation across a temperature range of 0°C to 70°C.

 

Packaged in a 14-pin DIP (Dual In-line Package) with through-hole mounting, the SN74LS21N is suitable for breadboarding and through-hole PCB assembly. Its robust design and established LS family characteristics make it a reliable choice for various digital logic circuits requiring AND gate functionality.

 

Applications for the SN74LS21N include signal gating, data selection, and implementing complex combinatorial logic functions in digital systems. Its dual gate structure allows for efficient use of board space and component count in designs requiring multiple AND operations.

SN74LS21N Quick Information

Product Type: Logic Gate
Canonical Name: SN74LS21N Dual 4-Input Positive-AND Gate
Subcategory: Logic Gates

SN74LS21N Compliance

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

SN74LS21N Estimated Pricing

Qty Low High
1+ $10.35 $10.35

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

SN74LS21N Features

  • Dual 4-input positive-AND gates.
  • LS logic family for balanced performance.
  • Wide operating voltage range of 4.75V to 5.25V.
  • Standard 0°C to 70°C operating temperature.
  • Through-hole mounted 14-pin DIP package.

SN74LS21N Applications

  • Used for signal gating operations.
  • Suitable for data selection circuits.
  • Implements combinatorial logic functions.
  • Reliable for general digital system design.

SN74LS21N FAQs

4 frequently asked questions generated from this part’s specifications.
What is the operating voltage for the SN74LS21N?

The SN74LS21N operates with a supply voltage between 4.75V and 5.25V.

What is the operating temperature range of the SN74LS21N?

The SN74LS21N operates from 0°C to 70°C.

What type of logic gates are in the SN74LS21N?

The SN74LS21N contains two 4-input positive-AND gates.

What is the package type for the SN74LS21N?

The SN74LS21N is available in a 14-DIP (0.300", Single In-Line) package.

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