Manufacturer Part Number
SN74HC21N
Manufacturer
Texas Instruments
Introduction
The SN74HC21N is a dual 4-input AND gate integrated circuit.
Product Features and Performance
Dual 4-input AND gate
High noise immunity
Low power consumption
Product Advantages
Compatible with all forms of logic
Balanced propagation delays
Key Technical Parameters
Logic Type: AND Gate
Number of Circuits: 2
Number of Inputs: 4
Voltage Supply: 2V to 6V
Current Quiescent (Max): 2 µA
Current Output High, Low: 5.2mA each
Input Logic Level Low: 0.5V to 1.8V
Input Logic Level High: 1.5V to 4.2V
Max Propagation Delay @ V, Max CL: 19ns @ 6V, 50pF
Quality and Safety Features
High-reliability design
Compatibility
With CMOS, TTL logic levels
Application Areas
Industrial controls
Logic signal processing
Computer networking
Product Lifecycle
Product Status: Active
Not nearing discontinuation
Replacements or upgrades available as technology evolves
Several Key Reasons to Choose This Product
Optimized for low-voltage applications
Suitable for battery-operated applications
Ease of use in a wide range of logic functions
Reliable performance in extended temperature range
Readily available in through-hole package for easy mounting
Texas Instruments' reputation for quality and support
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