TC74HC4017AF

The TC74HC4017AF is a high-speed CMOS decade counter/divider IC with 10 decoded outputs. It is designed for use in various digital counting and sequencing applications, providing a versatile solution for implementing sequential logic circuits.

Pinout

(Note: The pin configuration below is a general representation. Refer to the specific datasheet for precise details.)

• MR (Master Reset): Master reset input
• CLOCK (Clock): Clock input for counting
• QA-QD (Q0-Q3): Decoded output pins
• RO: Ripple carry output
• EO: Enable out
• RCO: Reset carry output
• VSS: Ground
• VDD: Positive power supply

Circuit Diagram

Include a circuit diagram illustrating the connections and operation of the TC74HC4017AF IC for better understanding.

Key Features

• Decade Counter/Divider: The TC74HC4017AF acts as a 10-stage counter with decoding, ideal for applications requiring sequential counting.
• High-Speed Operation: This IC operates at high clock speeds, enabling rapid counting and sequencing in digital systems.
• Decoded Outputs: Provides 10 decoded output pins for easy interfacing with external circuitry.
• Master Reset Function: Includes a master reset input for resetting the counter to a specific state.
• Ripple Carry Output: Features a ripple carry output for cascading multiple counters in larger counting applications.

Note: For detailed technical specifications, please refer to the TC74HC4017AF datasheet.

Application

• Sequencing Applications: Suitable for implementing sequence generators, light chasers, and other sequencing circuits.
• Frequency Division: Used for dividing input clock frequencies by 10 in frequency division applications.
• Digital Counting: Commonly employed in digital counting applications where sequential counting is required.

Functionality

The TC74HC4017AF is a versatile decade counter/divider IC that facilitates sequential counting and division operations in digital circuits. It offers reliable performance and ease of integration into various applications.

Usage Guide

• Power Supply: Connect VDD (Pin 16) to the positive power supply voltage and VSS (Pin 8) to ground.
• Clock Input: Apply clock pulses to the CLOCK (Pin 14) input for advancing the counter.
• Output Connections: Utilize the decoded output pins QA-QD for accessing the counter's current count value.

Frequently Asked Questions

Q: What is the maximum clock speed supported by the TC74HC4017AF?
A: The TC74HC4017AF can operate at high clock speeds, typically in the MHz range, for fast counting applications.

Q: Can the TC74HC4017AF be cascaded with another counter IC for extended counting sequences?
A: Yes, the RCO (Reset Carry Output) pin allows for cascading multiple TC74HC4017AF ICs to extend the counting range.