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SN74HC21DR AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

SN74HC21DR product

SN74HC21DR

Gates and Inverters

Logic GateAND GateCMOS

The SN74HC21DR is a dual 4-input AND gate logic IC, ideal for general-purpose CMOS logic applications requiring high speed and low power.

Best for

  • General logic functions
  • Signal gating

Avoid if

  • High-current drive applications
  • Non-CMOS logic levels

Check before use

  • Input logic thresholds
  • Thermal constraints

Key specifications

Logic Function
AND
Propagation Delay
11 ns
Operating Voltage
2V to 6V

Compliance & Environment

RoHS
ROHS3 Compliant
REACH
-
MSL
Level-1-260C-UNLIM
ECCN
EAR99
HTSUS
8542.39.0001

Application

General Logic

Datasheet

Texas-Instruments-company-64.pdf

800 KB

Datasheet AI

CAD Models

Download ECAD models for SN74HC21DR: 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 logic IC from Texas Instruments, part of the HC (High-speed CMOS) family.