Encyclopedia Entry: 74ACT163SCX

Product Overview

Category

The 74ACT163SCX belongs to the category of integrated circuits (ICs).

Use

This IC is commonly used in digital electronics for various applications, including counters and registers.

Characteristics

• The 74ACT163SCX is a synchronous presettable binary counter.
• It operates on a wide voltage range, typically between 2V and 6V.
• This IC has a high-speed operation, making it suitable for time-critical applications.
• It offers excellent noise immunity and low power consumption.

Package

The 74ACT163SCX is available in a small outline package (SOIC) with 16 pins.

Essence

The essence of the 74ACT163SCX lies in its ability to count and store binary information in a synchronous manner.

Packaging/Quantity

This IC is typically sold in reels or tubes, containing multiple units per package.

Specifications

• Supply Voltage Range: 2V to 6V
• Maximum Clock Frequency: 125 MHz
• Number of Counting Stages: 4
• Output Current: ±24 mA
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The 74ACT163SCX has 16 pins, each serving a specific function. Here is the detailed pin configuration:

1. CLR (Clear)
2. CLK (Clock)
3. P0 (Parallel Data Input)
4. P1 (Parallel Data Input)
5. P2 (Parallel Data Input)
6. P3 (Parallel Data Input)
7. PE (Preset Enable)
8. ENT (Enable Count)
9. GND (Ground)
10. Q0 (Serial Output)
11. Q1 (Serial Output)
12. Q2 (Serial Output)
13. Q3 (Serial Output)
14. TC (Terminal Count)
15. MR (Master Reset)
16. VCC (Supply Voltage)

Functional Features

• Synchronous counting: The 74ACT163SCX performs counting operations synchronously with the clock signal.
• Presettable: It allows presetting of the initial count value using parallel inputs.
• Terminal count output: The TC pin indicates when the counter reaches its maximum count value.
• Master reset: The MR pin resets the counter to its initial state.

Advantages and Disadvantages

Advantages

• High-speed operation enables efficient counting in time-critical applications.
• Wide voltage range allows compatibility with various digital systems.
• Excellent noise immunity ensures reliable performance.
• Low power consumption contributes to energy efficiency.

Disadvantages

• Limited number of counting stages (4) may restrict its use in complex applications requiring higher counts.
• Lack of built-in error detection or correction mechanisms.

Working Principles

The 74ACT163SCX operates based on synchronous binary counting principles. It utilizes a clock signal to increment the count value stored internally. The parallel inputs allow presetting the initial count value, while the terminal count output indicates when the maximum count value is reached. The master reset pin resets the counter to its initial state.

Detailed Application Field Plans

The 74ACT163SCX finds applications in various fields, including: 1. Digital frequency dividers 2. Industrial automation systems 3. Communication equipment 4. Automotive electronics 5. Consumer electronics

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to the 74ACT163SCX are: 1. 74HC163 2. CD40163 3. SN74LS163 4. MC14516

These models offer similar functionality and can be used as replacements depending on specific requirements.

In conclusion, the 74ACT163SCX is a versatile synchronous presettable binary counter IC. Its high-speed operation, wide voltage range, and reliable performance make it suitable for various digital applications. However, its limited counting stages and lack of error detection may restrict its use in complex scenarios.