Overview
The SN74HC158DR is a high-speed CMOS logic device manufactured by Texas Instruments. It belongs to the category of digital multiplexers, specifically a quadruple 2-line to 1-line data selector/multiplexer. This component is designed for applications requiring efficient data routing and selection in digital circuits. Its market positioning targets industrial and consumer electronics sectors, offering reliable performance in environments demanding low power consumption and high-speed operation. The SN74HC158DR stands out for its wide operating voltage range, low input current, and compatibility with LSTTL loads, making it a competitive choice for modern digital designs.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Technology Family | HC | - | High-speed CMOS |
| Function | Digital Multiplexer | - | Quadruple 2-line to 1-line |
| Number of Channels | 4 | - | - |
| Operating Voltage Range | 2 to 6 | V | - |
| Operating Temperature Range | -40 to 85 | °C | - |
| Output Drive | ±6 | mA | At 5 V |
| Propagation Delay | 11 | ns | Typical |
| Input Current | 1 | µA | Max |
| Power Consumption | 80 | µA | Max ICC |
| Package | SOP-16 | - | Surface mount |
Key Features
- Quadruple 2-line to 1-line data selection for efficient data routing.
- Wide operating voltage range (2 V to 6 V) ensures compatibility with various systems.
- Low power consumption (80 µA max) ideal for energy-efficient designs.
- High-speed operation with a typical propagation delay of 11 ns.
- Compatible with LSTTL loads, offering versatility in digital circuit integration.
- Inverted outputs simplify logic design in certain applications.
Applications
The SN74HC158DR is widely used in digital systems where data selection and routing are critical. Its applications span across:
- Industrial Automation: Used in control systems for efficient data handling and signal routing.
- Consumer Electronics: Integrated into devices like routers, switches, and communication equipment.
- Automotive Electronics: Employed in vehicle control modules for reliable data processing.
- Telecommunications: Facilitates signal multiplexing in network infrastructure.
- Embedded Systems: Supports data selection in microcontroller-based designs.
Q & A
1. What is the operating voltage range of the SN74HC158DR?
The operating voltage range is 2 V to 6 V.
2. What is the typical propagation delay of this device?
The typical propagation delay is 11 ns.
3. How many channels does the SN74HC158DR support?
It supports 4 channels.
4. What is the maximum power consumption of the SN74HC158DR?
The maximum power consumption is 80 µA.
5. Is the SN74HC158DR compatible with LSTTL loads?
Yes, it is compatible with LSTTL loads.
6. What is the package type of the SN74HC158DR?
It comes in an SOP-16 package.
7. What is the operating temperature range of this device?
The operating temperature range is -40°C to 85°C.
8. Does the SN74HC158DR have inverted outputs?
Yes, it provides inverted outputs.
9. What is the maximum input current of the SN74HC158DR?
The maximum input current is 1 µA.
10. In which applications is the SN74HC158DR commonly used?
It is commonly used in industrial automation, consumer electronics, automotive electronics, telecommunications, and embedded systems.
