MC74ACT161N

Product Overview

Category

MC74ACT161N belongs to the category of integrated circuits (ICs).

Use

This IC is commonly used in digital systems for counting and controlling purposes.

Characteristics

• High-speed operation
• Low power consumption
• Wide operating voltage range
• Schmitt trigger inputs for noise immunity
• 4-bit synchronous binary counter

Package

MC74ACT161N is available in a 16-pin DIP (Dual Inline Package) format.

Essence

The essence of MC74ACT161N lies in its ability to provide reliable and efficient counting functionality in digital systems.

Packaging/Quantity

MC74ACT161N is typically packaged in tubes or reels, with quantities varying depending on the supplier.

Specifications

• Supply Voltage: 2V to 6V
• Operating Temperature Range: -40°C to +85°C
• Maximum Clock Frequency: 100MHz
• Number of Counting Stages: 4
• Output Type: Synchronous

Detailed Pin Configuration

1. Clock Enable (CE)
2. Asynchronous Clear (CLR)
3. Parallel Load (PL)
4. Data Inputs (D0-D3)
5. Carry Output (CO)
6. Clock Input (CLK)
7. Synchronous Parallel Load Enable (PE)
8. Synchronous Count Enable (CEP)
9. Synchronous Count Enable (CET)
10. Q0 Output
11. Q1 Output
12. Q2 Output
13. Q3 Output
14. GND (Ground)
15. VCC (Supply Voltage)
16. Carry Input (CI)

Functional Features

• Synchronous counting: The MC74ACT161N performs counting operations synchronously with the clock input.
• Parallel load capability: It allows loading of initial count values in parallel.
• Carry input and output: The carry input and output facilitate cascading multiple counters for higher bit counting.
• Asynchronous clear: The asynchronous clear input allows resetting the counter to its initial state.

Advantages

• High-speed operation enables efficient counting in time-critical applications.
• Low power consumption makes it suitable for battery-powered devices.
• Wide operating voltage range ensures compatibility with various digital systems.
• Schmitt trigger inputs provide noise immunity, enhancing reliability.

Disadvantages

• Limited number of counting stages (4) may not be sufficient for complex counting requirements.
• Lack of built-in error detection or correction mechanisms.

Working Principles

MC74ACT161N operates based on synchronous binary counting principles. It counts up or down based on the clock input and control signals. The parallel load feature allows loading of initial count values, while the carry input and output enable cascading multiple counters for extended counting capabilities.

Detailed Application Field Plans

MC74ACT161N finds applications in various digital systems that require counting and control functions. Some specific application fields include:

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

Detailed and Complete Alternative Models

1. SN74ACT161N
2. CD74ACT161E
3. 74HC161N
4. 74LS161N
5. MC14516BCL

These alternative models offer similar functionality and can be used as substitutes for MC74ACT161N depending on specific requirements.

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