Manufacturer Part Number
SN74ALS21AN
Manufacturer
Texas Instruments
Introduction
The SN74ALS21AN is a dual 4-input AND gate from Texas Instruments designed for various logic combining operations within its designated voltage and temperature ranges.
Product Features and Performance
Dual 4-input AND gate configuration
Operates from a supply voltage of 4.5V to 5.5V
Capable of driving 400µA output high and 8mA output low
Propagation delay maximum of 15ns at 5V and 50pF load
Through-hole mounting type for durable connections
Product Advantages
Features a higher resistance to noise with input logic levels of low at 0.8V and high at 2V
Wide operating temperature range from 0°C to 70°C
Key Technical Parameters
Number of Circuits: 2
Voltage Supply: 4.5V to 5.5V
Current Output High, Low: 400µA, 8mA
Input Logic Level Low: 0.8V
Input Logic Level High: 2V
Propagation Delay Max: 15ns at 5V, 50pF
Operating Temperature: 0°C to 70°C
Quality and Safety Features
The product meets standard requirements for quality and reliability under conditions specified for logic devices, ensuring consistent performance.
Compatibility
Designed for compatibility with other standard logic devices following similar voltage and input logic level requirements which allow for smooth integration into a wide range of digital designs.
Application Areas
Widely applicable in digital circuits, computing systems, signal processing units, and other electronics where logical operations are required.
Product Lifecycle
Currently in Active status without any indication of discontinuation, ensuring ongoing availability and support for future applications. Replacements and upgrades remain available under the 74ALS series.
Several Key Reasons to Choose This Product
Reliable performance from a renowned manufacturer Texas Instruments
Versatile application range in both commercial and educational digital systems
Predictable and stable characteristics with specified input and output levels, and propagation delays
Readily integrates into existing circuits due to standard 14-PDIP package
Active status assures product availability and continued manufacture support