Overview
The CD4556BEX is a dual binary-to-1-of-4 decoder/demultiplexer produced by Harris Corporation. This integrated circuit (IC) is designed to decode two binary inputs into one of four mutually exclusive outputs, making it a versatile component for digital logic applications. It is widely used in systems requiring signal routing, data distribution, and address decoding. The CD4556BEX is known for its reliability, low power consumption, and compatibility with a wide range of digital systems, making it a preferred choice for engineers and designers in industrial, automotive, and consumer electronics.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Supply Voltage (VCC) | 3 to 18 | V | Wide operating range |
| Input Current | ±1 | µA | Low power consumption |
| Output Current | ±10 | mA | High drive capability |
| Operating Temperature | -55 to 125 | °C | Military-grade range |
| Package Type | DIP-16 | - | Standard dual in-line package |
| Propagation Delay | 60 | ns | Typical at 5V |
| Number of Decoders | 2 | - | Dual decoder design |
Key Features
- Dual Decoder Functionality: Decodes two binary inputs into four mutually exclusive outputs, enabling efficient signal routing.
- Wide Operating Voltage: Supports a broad range of supply voltages (3V to 18V), ensuring compatibility with various systems.
- Low Power Consumption: Minimal input current requirements make it suitable for battery-powered applications.
- High Output Drive Capability: Can source or sink up to 10mA, making it ideal for driving multiple loads.
- Robust Design: Operates reliably across a wide temperature range (-55°C to 125°C), suitable for harsh environments.
Applications
The CD4556BEX is widely used in various applications, including:
- Industrial Automation: Used for address decoding in control systems and PLCs.
- Automotive Electronics: Employed in signal routing and data distribution modules.
- Consumer Electronics: Integrated into digital devices for logic-level conversion and signal demultiplexing.
- Telecommunications: Utilized in signal routing and switching circuits.
- Military and Aerospace: Suitable for harsh environments due to its robust design and wide temperature range.
Q & A
1. What is the primary function of the CD4556BEX?
The CD4556BEX is a dual binary-to-1-of-4 decoder/demultiplexer that decodes two binary inputs into one of four mutually exclusive outputs.
2. What is the operating voltage range of the CD4556BEX?
The CD4556BEX operates within a supply voltage range of 3V to 18V.
3. What is the maximum output current of the CD4556BEX?
The CD4556BEX can source or sink up to 10mA of output current.
4. What package type does the CD4556BEX come in?
The CD4556BEX is available in a standard DIP-16 package.
5. Is the CD4556BEX suitable for high-temperature environments?
Yes, the CD4556BEX operates reliably across a temperature range of -55°C to 125°C, making it suitable for harsh environments.
6. What is the typical propagation delay of the CD4556BEX?
The typical propagation delay is 60ns at a supply voltage of 5V.
7. Can the CD4556BEX be used in battery-powered applications?
Yes, its low power consumption makes it suitable for battery-powered applications.
8. How many decoders are integrated into the CD4556BEX?
The CD4556BEX contains two independent decoders.
9. What are the key advantages of the CD4556BEX?
Key advantages include wide operating voltage, low power consumption, high output drive capability, and robust design for harsh environments.
10. What are typical applications of the CD4556BEX?
Typical applications include industrial automation, automotive electronics, consumer electronics, telecommunications, and military/aerospace systems.
