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MC74ACT161MELG
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MC74ACT161MELG

Product Overview

  • Category: Integrated Circuit
  • Use: Digital Counter
  • Characteristics: High-speed, synchronous, 4-bit binary counter
  • Package: SOIC (Small Outline Integrated Circuit)
  • Essence: A versatile and reliable digital counter IC
  • Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

  • Supply Voltage Range: 2.0V to 6.0V
  • Operating Temperature Range: -40°C to +85°C
  • Maximum Clock Frequency: 100MHz
  • Number of Counting Stages: 4
  • Logic Family: ACT (Advanced CMOS Technology)

Detailed Pin Configuration

The MC74ACT161MELG has a total of 16 pins, which are arranged as follows:

  1. CLK (Clock Input)
  2. MR (Master Reset Input)
  3. CPD (Count Enable Parallel Input)
  4. PE (Parallel Enable Input)
  5. TC (Terminal Count Output)
  6. QA (Output A)
  7. QB (Output B)
  8. QC (Output C)
  9. QD (Output D)
  10. GND (Ground)
  11. VCC (Supply Voltage)
  12. QD (Output D)
  13. QC (Output C)
  14. QB (Output B)
  15. QA (Output A)
  16. VCC (Supply Voltage)

Functional Features

  • Synchronous operation with a common clock input
  • Asynchronous master reset for clearing the counter
  • Parallel enable input for loading data in parallel
  • Terminal count output for indicating when the maximum count is reached
  • High-speed operation up to 100MHz clock frequency
  • Low power consumption due to ACT technology

Advantages and Disadvantages

Advantages: - High-speed operation allows for quick counting applications - Synchronous operation ensures accurate and reliable counting - Low power consumption makes it suitable for battery-powered devices - Versatile functionality with parallel loading and terminal count output

Disadvantages: - Limited to 4-bit counting, may not be suitable for applications requiring larger counters - Requires an external clock source for operation

Working Principles

The MC74ACT161MELG is a synchronous 4-bit binary counter. It counts up or down based on the clock input and can be reset to zero using the master reset input. The counter can also load data in parallel through the parallel enable input. When the maximum count is reached, the terminal count output is activated.

Detailed Application Field Plans

The MC74ACT161MELG is widely used in various digital applications, including:

  1. Digital frequency dividers
  2. Event counters
  3. Timekeeping circuits
  4. Industrial automation systems
  5. Communication equipment
  6. Automotive electronics
  7. Consumer electronics

Detailed and Complete Alternative Models

  1. SN74LS161N: 4-bit synchronous binary counter
  2. CD40161BE: CMOS presettable 4-bit binary counter
  3. 74HC161D: High-speed CMOS 4-bit synchronous binary counter
  4. CD54HC161F3A: High-speed CMOS 4-bit synchronous binary counter

These alternative models offer similar functionality and can be used as substitutes for the MC74ACT161MELG in various applications.

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10個與MC74ACT161MELG在技術方案中應用相關的常見問題與解答

Sure! Here are 10 common questions and answers related to the application of MC74ACT161MELG in technical solutions:

  1. Q: What is MC74ACT161MELG? A: MC74ACT161MELG is a specific model of a 4-bit synchronous binary counter.

  2. Q: What is the purpose of MC74ACT161MELG? A: The purpose of MC74ACT161MELG is to count binary numbers in a synchronous manner.

  3. Q: What is the maximum clock frequency supported by MC74ACT161MELG? A: MC74ACT161MELG can support clock frequencies up to 100 MHz.

  4. Q: How many bits can MC74ACT161MELG count up to? A: MC74ACT161MELG is a 4-bit counter, so it can count up to 15 (1111 in binary).

  5. Q: Can MC74ACT161MELG count down as well? A: No, MC74ACT161MELG is an up-counter and cannot count down.

  6. Q: What is the power supply voltage range for MC74ACT161MELG? A: The power supply voltage range for MC74ACT161MELG is typically between 4.5V and 5.5V.

  7. Q: Does MC74ACT161MELG have any built-in error detection or correction features? A: No, MC74ACT161MELG does not have any built-in error detection or correction features.

  8. Q: Can MC74ACT161MELG be cascaded with other counters? A: Yes, MC74ACT161MELG can be cascaded with other counters to increase the number of bits.

  9. Q: What is the typical propagation delay of MC74ACT161MELG? A: The typical propagation delay of MC74ACT161MELG is around 5 ns.

  10. Q: Can MC74ACT161MELG be used in high-speed applications? A: Yes, MC74ACT161MELG is designed for high-speed operation and can be used in such applications.

Please note that these answers are general and may vary depending on the specific datasheet and application requirements.