MC74ACT161NG

Product Overview

• Category: Integrated Circuit (IC)
• Use: Counter
• Characteristics: High-speed, synchronous, 4-bit binary counter
• Package: DIP-16 (Dual In-line Package with 16 pins)
• Essence: The MC74ACT161NG is a versatile counter IC that can be used in various applications requiring counting functionality.
• Packaging/Quantity: Available in reels of 2500 units or tubes of 25 units.

Specifications

• Supply Voltage: 2.0V to 6.0V
• Operating Temperature Range: -40°C to +85°C
• Maximum Clock Frequency: 125 MHz
• Number of Counting Stages: 4
• Counting Sequence: Asynchronous or Synchronous
• Output Type: Standard (non-inverted)

Detailed Pin Configuration

The MC74ACT161NG has a total of 16 pins, each serving a specific purpose. Here is the 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. Count Enable (CTEN)
7. Clock Input (CLK)
8. Q0 Output
9. Q1 Output
10. Q2 Output
11. Q3 Output
12. GND (Ground)
13. Q3' Output
14. Q2' Output
15. Q1' Output
16. Q0' Output

Functional Features

• Synchronous Operation: The MC74ACT161NG operates synchronously with the clock input, ensuring accurate and reliable counting.
• Parallel Load Capability: It allows the user to load a preset value into the counter using the parallel load input.
• Asynchronous Clear: The asynchronous clear input allows the user to reset the counter to zero at any time, independently of the clock signal.
• Count Enable Input: The count enable input enables or disables the counting operation.
• Carry Output: The carry output provides a signal indicating when the counter has reached its maximum value.

Advantages and Disadvantages

Advantages: - High-speed operation - Versatile functionality - Easy integration into various digital circuits - Reliable performance - Wide operating voltage range

Disadvantages: - Limited number of counting stages (4 in this case) - Non-inverted output type may not be suitable for certain applications requiring inverted outputs

Working Principles

The MC74ACT161NG is based on synchronous binary counting principles. It utilizes flip-flops and logic gates to increment the count by one on each rising edge of the clock signal. The counter can operate in either synchronous or asynchronous mode, depending on the configuration of control inputs.

Detailed Application Field Plans

The MC74ACT161NG can be used in a wide range of applications that require counting functionality. Some potential application fields include:

1. Digital frequency dividers
2. Event counters
3. Industrial automation systems
4. Traffic light controllers
5. Electronic gaming devices
6. Frequency synthesizers
7. Data communication equipment
8. Test and measurement instruments

Detailed and Complete Alternative Models

If the MC74ACT161NG does not meet specific requirements, alternative models with similar functionality can be considered. Some alternative models to the MC74ACT161NG are:

1. CD74HC161E
2. SN74LS161N
3. 74F161PC
4. 74HC161D

These alternative models offer comparable features and can be used as substitutes in various applications.

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