The CD74HC139MT is a high-speed, silicon-gate CMOS logic decoder/demultiplexer designed and manufactured by Texas Instruments, a leader in semiconductor innovation. This integrated circuit is part of the 74HC series, which is well-known for its high noise immunity and low power consumption, making it a staple in digital logic applications.
Key Features
- Dual 2-to-4 line decoding: The device contains two independent 2-to-4 line decoders, each with its own address input (A and B), an enable input (E\), and four mutually exclusive outputs (Y0 to Y3).
- Demultiplexing capability: With its enable input serving as a data input, the device can also function as a demultiplexer, distributing a single input to one of the four outputs.
- High noise immunity: True to the 74HC series, the CD74HC139MT boasts a high level of immunity to electrical noise, ensuring stable and reliable performance in a variety of environments.
- Low power consumption: The device operates with a very low power consumption, which is typical of CMOS devices, making it suitable for battery-powered and energy-saving applications.
- Wide operating voltage range: It can function over a wide range of supply voltages from 2V to 6V, providing flexibility in different system voltage levels.
- High speed: The CD74HC139MT offers fast propagation delays, allowing for high-speed operation in digital circuits.
Applications
The CD74HC139MT is a versatile component that can be used in a broad array of applications, including:
- Memory decoding or data routing in microprocessor systems
- Demultiplexing signals for communication systems
- Control logic for digital systems
- Function generators
Product Specifications
| Parameter |
Value |
| Logic Family |
74HC |
| Function |
Decoder/Demultiplexer |
| Number of Circuits |
2 |
| Operating Temperature Range |
-55°C to +125°C |
| Mounting Type |
Surface Mount |
| Package / Case |
TSSOP |
| Supply Voltage |
2V to 6V |