Overview
The CD74ACT139M is a dual 2-to-4 line decoder/demultiplexer produced by Harris Corporation, now part of Texas Instruments. This electronic component is designed to decode two binary-coded inputs into one of four mutually exclusive outputs. It is widely used in digital systems for address decoding, data routing, and signal demultiplexing. The CD74ACT139M is known for its high-speed operation and compatibility with TTL logic levels, making it suitable for a variety of applications in industrial, automotive, and consumer electronics.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Supply Voltage | 4.5 to 5.5 | V | |
| Operating Temperature | -55 to 125 | °C | |
| Propagation Delay | 10 | ns | Max |
| Input Current | ±1 | µA | Max |
| Output Current | 24 | mA | Max |
| Package | SOIC-16 |
Key Features
- High-speed operation with typical propagation delays of 5 ns.
- Compatible with TTL logic levels, ensuring seamless integration with existing systems.
- Low power consumption, making it suitable for battery-operated devices.
- Wide operating temperature range, enabling use in harsh environments.
- Dual 2-to-4 line decoding capability, providing flexibility in design.
Applications
The CD74ACT139M is widely used in various applications, including address decoding in microprocessors, data routing in communication systems, and signal demultiplexing in digital circuits. Its robustness and reliability make it ideal for industrial automation, automotive electronics, and consumer electronics, where precise signal control and high-speed operation are critical.
Q & A
What is the operating voltage range of the CD74ACT139M?
The operating voltage range is 4.5 to 5.5 volts.
What is the maximum propagation delay of the CD74ACT139M?
The maximum propagation delay is 10 nanoseconds.
Is the CD74ACT139M compatible with TTL logic levels?
Yes, it is fully compatible with TTL logic levels.
What is the typical power consumption of the CD74ACT139M?
The typical power consumption is low, making it suitable for battery-operated devices.
What is the operating temperature range of the CD74ACT139M?
The operating temperature range is -55 to 125 degrees Celsius.
What package does the CD74ACT139M come in?
It comes in an SOIC-16 package.
What is the maximum output current of the CD74ACT139M?
The maximum output current is 24 milliamperes.
Can the CD74ACT139M be used in automotive applications?
Yes, its wide operating temperature range and reliability make it suitable for automotive electronics.
What are the typical applications of the CD74ACT139M?
Typical applications include address decoding, data routing, and signal demultiplexing.
Is the CD74ACT139M suitable for industrial automation?
Yes, its high-speed operation and robustness make it ideal for industrial automation.
