Encyclopedia Entry: 74AC163PC

Product Overview

Category

The 74AC163PC is a digital integrated circuit (IC) belonging to the category of synchronous counters.

Use

This IC is primarily used for counting and controlling operations in various electronic devices and systems.

Characteristics

• Synchronous operation: The 74AC163PC performs counting operations synchronously with an external clock signal.
• High-speed performance: This IC is designed to operate at high clock frequencies, making it suitable for applications requiring fast counting capabilities.
• Low power consumption: The 74AC163PC is known for its low power consumption, making it energy-efficient.
• Wide operating voltage range: It can operate within a wide voltage range, typically between 2V and 6V.
• Compact package: The IC is available in a compact 16-pin DIP (Dual Inline Package) format.

Packaging/Quantity

The 74AC163PC is commonly packaged in reels or tubes, containing a quantity of 25 or 50 units per package.

Specifications

• Supply Voltage Range: 2V to 6V
• Operating Temperature Range: -40°C to +85°C
• Maximum Clock Frequency: 100 MHz
• Number of Counting Stages: 4
• Output Type: Parallel
• Logic Family: Advanced CMOS (AC)

Detailed Pin Configuration

The 74AC163PC features a 16-pin DIP package with the following pin configuration:

1. Clock Enable (CE)
2. Parallel Load (PL)
3. Data Inputs (D0-D3)
4. Carry Out (CO)
5. Clock (CLK)
6. Reset (R)
7. Data Outputs (Q0-Q3)
8. Ground (GND)
9. Data Outputs (Q0-Q3)
10. Carry In (CI)
11. Data Inputs (D0-D3)
12. Carry Out (CO)
13. Clock (CLK)
14. Parallel Load (PL)
15. Clock Enable (CE)
16. Vcc (Supply Voltage)

Functional Features

The 74AC163PC offers the following functional features:

• Synchronous counting: The IC counts in synchronization with the clock signal, ensuring accurate and reliable counting operations.
• Parallel load capability: It allows loading of initial count values in parallel, providing flexibility in various applications.
• Carry input and output: The carry input and output pins enable cascading multiple counters for extended counting capabilities.
• Asynchronous reset: The reset pin allows resetting the counter to a predefined state, facilitating control over the counting sequence.

Advantages and Disadvantages

Advantages

• High-speed operation enables efficient counting in time-critical applications.
• Low power consumption contributes to energy efficiency.
• Wide operating voltage range enhances compatibility with different systems.
• Compact package size saves board space in electronic designs.

Disadvantages

• Limited number of counting stages may restrict its use in applications requiring extensive counting sequences.
• Lack of built-in error detection or correction mechanisms may require additional circuitry for error handling.

Working Principles

The 74AC163PC operates based on synchronous counting principles. It utilizes an external clock signal to increment the count value stored internally. The count value can be loaded in parallel or incremented sequentially based on the clock pulses. The carry input and output pins allow cascading multiple counters to achieve higher counting ranges. The asynchronous reset feature resets the counter to a predefined state when activated.

Detailed Application Field Plans

The 74AC163PC finds applications in various fields, including but not limited to: - Digital frequency dividers - Industrial automation systems - Communication equipment - Automotive electronics - Consumer electronics

Alternative Models

Several alternative models with similar functionalities are available in the market. Some notable alternatives to the 74AC163PC include: - 74HC163: A CMOS-based synchronous counter with comparable specifications. - CD40163: A complementary metal-oxide-semiconductor (CMOS) counter IC offering similar functionality.

In conclusion, the 74AC163PC is a versatile synchronous counter IC known for its high-speed performance, low power consumption, and wide operating voltage range. Its compact package and functional features make it suitable for various applications in different fields.