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SN74LS21DR AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

SN74LS21DR product

SN74LS21DR

Gates and Inverters

Logic GateAND GateTTL

The SN74LS21DR is a dual 4-input positive-AND gate from Texas Instruments, housed in a 14-pin SOIC package.

Best for

  • General digital logic applications
  • Legacy system maintenance

Avoid if

  • Low-power battery-operated designs requiring CMOS logic

Check before use

  • Input voltage levels and output drive current requirements

Key specifications

Logic Type
AND Gate
Supply Voltage
4.75V - 5.25V
Operating Temp
0°C to 70°C

Compliance & Environment

RoHS
ROHS3 Compliant
REACH
-
MSL
Level-1-260C-UNLIM
ECCN
-
HTSUS
-

Application

General Logic

Datasheet

Texas-Instruments-company-64.pdf

800 KB

Datasheet AI

CAD Models

Download ECAD models for SN74LS21DR: KiCad symbol & footprint, Altium footprint, PCB footprint, and 3D model.

EDA Symbol
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PCB Footprint
Land pattern for PCB layout
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3D Model
STEP file for mechanical design
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Where to Buy

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Alternative components

Alternatives are being enriched. Analyze this part in PartGenie for the latest matches.

Design and risk insights

Questions & answers

It is a dual 4-input positive-AND gate integrated circuit belonging to the LS-TTL logic family.