Overview
The CD4017AD is a CMOS Decade Counter/Divider integrated circuit (IC) produced by Harris Corporation. It belongs to the category of digital logic ICs and is widely used in applications requiring sequential counting and timing operations. The CD4017AD is designed for general-purpose use in electronic circuits, making it suitable for hobbyists, engineers, and manufacturers. Its unique selling points include low power consumption, high noise immunity, and compatibility with a wide range of voltage levels, making it a versatile choice for various digital applications.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Supply Voltage (VDD) | 3 to 18 | V | Wide operating range |
| Maximum Clock Frequency | 5.5 | MHz | At VDD = 10V |
| Power Dissipation | 500 | mW | Max |
| Operating Temperature | -55 to 125 | °C | Industrial range |
| Output Current | ±10 | mA | Source/sink |
| Package Type | DIP-16 | - | Standard package |
Key Features
- Decade Counting: Provides 10 decoded outputs for sequential counting.
- Low Power Consumption: Ideal for battery-operated devices.
- High Noise Immunity: Ensures reliable operation in noisy environments.
- Wide Voltage Range: Compatible with 3V to 18V power supplies.
- Reset Function: Includes a reset pin for initializing the count sequence.
Applications
The CD4017AD is commonly used in applications such as LED chasers, frequency dividers, timers, and sequential logic circuits. It is also employed in industrial automation for counting and control tasks, in consumer electronics for display and lighting effects, and in educational projects for teaching digital logic principles. Its versatility and reliability make it a popular choice across various industries.
Q & A
1. What is the maximum clock frequency of the CD4017AD?
The maximum clock frequency is 5.5 MHz at a supply voltage of 10V.
2. What is the operating voltage range of the CD4017AD?
The CD4017AD operates within a voltage range of 3V to 18V.
3. Can the CD4017AD be used in battery-powered devices?
Yes, its low power consumption makes it suitable for battery-operated applications.
4. How many decoded outputs does the CD4017AD provide?
It provides 10 decoded outputs for sequential counting.
5. Does the CD4017AD include a reset function?
Yes, it includes a reset pin to initialize the count sequence.
6. What is the package type of the CD4017AD?
The CD4017AD is available in a DIP-16 package.
7. Is the CD4017AD suitable for industrial applications?
Yes, its wide operating temperature range and high noise immunity make it ideal for industrial use.
8. What is the maximum power dissipation of the CD4017AD?
The maximum power dissipation is 500 mW.
9. Can the CD4017AD drive LEDs directly?
Yes, it can source or sink up to 10 mA, making it capable of driving LEDs directly.
10. Is the CD4017AD compatible with TTL logic levels?
While it is a CMOS device, it can interface with TTL logic levels when operated at 5V supply voltage.
