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MC74AC161DR2G
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MC74AC161DR2G

Product Overview

  • Category: Integrated Circuit
  • Use: Digital Counter
  • Characteristics: High-speed operation, low power consumption
  • Package: SOIC (Small Outline Integrated Circuit)
  • Essence: 4-bit synchronous binary counter
  • 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
  • Output Type: Standard
  • Logic Family: AC

Detailed Pin Configuration

The MC74AC161DR2G has a total of 16 pins. The pin configuration is as follows:

  1. Clock Enable (CE)
  2. Parallel Load (PL)
  3. Data Inputs (D0-D3)
  4. Carry Out (CO)
  5. Down/Up (D/U)
  6. Clock (CLK)
  7. Reset (RST)
  8. Carry In (CI)
  9. Q0 Output
  10. Q1 Output
  11. Q2 Output
  12. Q3 Output
  13. GND (Ground)
  14. Q3' Output
  15. Q2' Output
  16. VCC (Supply Voltage)

Functional Features

  • Synchronous operation with clock enable and parallel load control
  • Can be used as a 4-bit binary up/down counter
  • Outputs can be cascaded for larger count lengths
  • Carry input and carry output for multi-stage counters
  • Low power consumption and high-speed operation

Advantages and Disadvantages

Advantages: - High-speed operation allows for quick counting - Low power consumption reduces energy usage - Versatile functionality as an up/down counter - Cascading capability enables larger count lengths

Disadvantages: - Limited to 4-bit counting, may not be suitable for applications requiring higher count lengths - Requires external components for proper operation (clock signal, data inputs, etc.)

Working Principles

The MC74AC161DR2G is a synchronous binary counter that operates based on clock signals. It can count up or down depending on the input provided to the Down/Up pin. The counter can be loaded with a parallel input value using the Parallel Load pin. The Clock Enable pin allows for control over when the counter starts counting.

Detailed Application Field Plans

The MC74AC161DR2G is commonly used in various digital applications such as:

  1. Frequency dividers
  2. Event counters
  3. Industrial automation systems
  4. Digital communication equipment
  5. Automotive electronics

Its high-speed operation and low power consumption make it suitable for applications where quick and efficient counting is required.

Detailed and Complete Alternative Models

  1. SN74LS161N: 4-bit Synchronous Binary Counter
  2. CD40161BE: CMOS Presettable Up/Down Counter
  3. 74HC161D: 4-bit Synchronous Binary Counter

These alternative models offer similar functionality and can be used as substitutes for the MC74AC161DR2G in various applications.

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Lista 10 Vanliga frågor och svar relaterade till tillämpningen av MC74AC161DR2G i tekniska lösningar

Sure! Here are 10 common questions and answers related to the application of MC74AC161DR2G in technical solutions:

  1. Q: What is MC74AC161DR2G? A: MC74AC161DR2G is a synchronous presettable binary counter with an asynchronous reset, commonly used in digital circuits.

  2. Q: What is the maximum clock frequency supported by MC74AC161DR2G? A: MC74AC161DR2G can operate at a maximum clock frequency of 100 MHz.

  3. Q: How many bits does MC74AC161DR2G have? A: MC74AC161DR2G is a 4-bit counter, meaning it can count up to 15 (1111 in binary).

  4. Q: Can MC74AC161DR2G be cascaded to create larger counters? A: Yes, multiple MC74AC161DR2G counters can be cascaded together to create larger counters with more bits.

  5. Q: What is the power supply voltage range for MC74AC161DR2G? A: MC74AC161DR2G operates with a power supply voltage range of 2V to 6V.

  6. Q: Does MC74AC161DR2G have any built-in glitch protection? A: Yes, MC74AC161DR2G has built-in glitch protection on the clock input to prevent false counting due to noise.

  7. Q: Can MC74AC161DR2G be used as a frequency divider? A: Yes, MC74AC161DR2G can be used as a frequency divider by connecting the appropriate outputs to the clock input of another circuit.

  8. Q: What is the typical propagation delay of MC74AC161DR2G? A: The typical propagation delay of MC74AC161DR2G is around 5 ns.

  9. Q: Does MC74AC161DR2G have any power-saving features? A: No, MC74AC161DR2G does not have any specific power-saving features.

  10. Q: Can MC74AC161DR2G be used in both synchronous and asynchronous modes? A: Yes, MC74AC161DR2G can be used in both synchronous mode (with the clock input) and asynchronous mode (with the reset input).

Please note that these answers are general and may vary depending on the specific application and datasheet of MC74AC161DR2G.