Encyclopedia Entry: 74ACT163MTR

Product Overview

Category

The 74ACT163MTR belongs to the category of integrated circuits (ICs), specifically digital counters.

Use

This IC is commonly used in digital systems for counting and sequencing operations. It can be employed in various applications that require precise counting and timing functionality.

Characteristics

• High-speed operation: The 74ACT163MTR is designed to operate at high clock frequencies, making it suitable for time-critical applications.
• Synchronous counting: It performs synchronous binary counting, ensuring accurate and synchronized output.
• Multiple outputs: This IC provides four parallel binary outputs, allowing for versatile usage.
• Low power consumption: It is designed to consume minimal power, making it energy-efficient.

Package

The 74ACT163MTR is available in a small outline integrated circuit (SOIC) package. This package type offers compactness and ease of integration into electronic systems.

Essence

The essence of the 74ACT163MTR lies in its ability to perform reliable and efficient counting operations in digital circuits.

Packaging/Quantity

Typically, the 74ACT163MTR is supplied in reels or tubes, with each reel or tube containing a specific quantity of ICs. The exact packaging and quantity may vary depending on the supplier.

Specifications

• Supply voltage: 2V to 6V
• Operating temperature range: -40°C to +85°C
• Maximum clock frequency: 125 MHz
• Number of outputs: 4
• Logic family: ACT (Advanced CMOS Technology)

Detailed Pin Configuration

The 74ACT163MTR has a total of 16 pins, each serving a specific function. The pin configuration is as follows:

1. Clock (CLK)
2. Enable (ENP)
3. Parallel Load (PL)
4. Count Enable (CEP)
5. Carry Out (CO)
6. Parallel Data Inputs (D0-D3)
7. Q0 Output
8. Q1 Output
9. Q2 Output
10. Q3 Output
11. GND (Ground)
12. Q3' Output
13. Q2' Output
14. Q1' Output
15. Q0' Output
16. VCC (Supply Voltage)

Functional Features

• Synchronous counting: The 74ACT163MTR performs synchronous binary counting, ensuring that all outputs change simultaneously with the clock signal.
• Parallel load capability: It allows for loading a specific count value in parallel, enabling flexibility in initial count configuration.
• Asynchronous reset: The IC includes an asynchronous reset input that can be used to reset the counter to its initial state.
• Carry output: The carry output (CO) provides a signal indicating when the maximum count value has been reached.

Advantages and Disadvantages

Advantages

• High-speed operation enables efficient counting in time-critical applications.
• Synchronous counting ensures accurate and synchronized output.
• Low power consumption contributes to energy efficiency.
• Compact SOIC package facilitates integration into electronic systems.

Disadvantages

• Limited number of outputs may restrict certain complex applications.
• Requires external components for complete functionality in some cases.

Working Principles

The 74ACT163MTR operates based on synchronous binary counting principles. It utilizes a clock signal to increment the count value stored internally. The count value is represented by the outputs Q0-Q3. When the maximum count value is reached, the carry output (CO) is activated. The IC also supports parallel loading of a specific count value through the parallel load (PL) input.

Detailed Application Field Plans

The 74ACT163MTR finds application in various digital systems where counting and sequencing operations are required. Some specific application fields include:

1. Digital frequency dividers
2. Timekeeping circuits
3. Industrial automation systems
4. Communication equipment
5. Automotive electronics

Detailed and Complete Alternative Models

There are several alternative models available that offer similar functionality to the 74ACT163MTR. Some notable alternatives include:

• CD74AC163M: This IC is part of the AC family and offers comparable features.
• SN74LS163AN: A popular TTL logic family alternative with similar functionality.
• MC14516B: An alternative CMOS counter IC suitable for various applications.

These alternative models can be considered based on specific requirements and compatibility with the existing system.

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