Manufacturer Part Number
CD74HCT139E
Manufacturer
Texas Instruments
Introduction
High-speed CMOS Logic Dual 2-to-4 Line Decoder/Demultiplexer
Product Features and Performance
High-speed CMOS technology
Optimal for high-speed decoding and demultiplexing applications
Two independent 2-to-4 decoders
Standard 16-DIP package for through-hole mounting
Product Advantages
Low power consumption
Compatible with LS TTL outputs
Balanced propagation delays
Industry-standard design for easy retrofitting
Key Technical Parameters
2 Independent circuits
Circuit configuration: 1 x 2:4
Current - Output High, Low: 4mA each
Single supply voltage range: 4.5V to 5.5V
Operating temperature range: -55°C to 125°C
Quality and Safety Features
Lead-free and RoHS compliant
High noise immunity
Compatibility
Direct replacement for other 74HCT139 devices
Compatible with TTL logic levels
Suitable for use with 5V microcontrollers and digital systems
Application Areas
Digital computers
Control systems
Communication systems
Portable equipment
Product Lifecycle
Active status, not nearing discontinuation
Replacements and upgrades available in 74HCT product range
Several Key Reasons to Choose This Product
Wide operating temperature range suitable for industrial applications
Low output current for minimal power dissipation
High noise immunity for reliable operation in electrically noisy environments
Simple integration with existing 5-volt systems
Availability of multiple independent circuits reduces components and board space
Industry-standard pinout simplifies design-in process
Long product lifecycle ensures long-term availability for new designs and maintenance
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