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M74HC161TTR
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M74HC161TTR

Product Overview

Category

M74HC161TTR belongs to the category of integrated circuits (ICs).

Use

This IC is commonly used for digital counting applications.

Characteristics

  • High-speed operation
  • Low power consumption
  • Wide operating voltage range
  • Schmitt trigger inputs for noise immunity
  • Direct reset input
  • Synchronous parallel load capability

Package

M74HC161TTR is available in a small outline package (SOT-109) with 16 pins.

Essence

The essence of M74HC161TTR lies in its ability to perform high-speed and accurate digital counting operations.

Packaging/Quantity

This IC is typically packaged in reels, with each reel containing a specific quantity of M74HC161TTR chips. The exact quantity may vary depending on the manufacturer's specifications.

Specifications

  • Supply Voltage: 2V to 6V
  • Operating Temperature Range: -40°C to +125°C
  • Maximum Clock Frequency: 25 MHz
  • Number of Counting Stages: 4-bit binary counter

Detailed Pin Configuration

  1. Clock Input (CP)
  2. Asynchronous Reset Input (MR)
  3. Parallel Load Input (PL)
  4. Enable Input (EN)
  5. Carry Output (CO)
  6. Data Inputs (D0-D3)
  7. Ripple Clock Output (RCO)
  8. Carry Input (CI)
  9. Binary Outputs (Q0-Q3)
  10. GND (Ground)
  11. Binary Outputs (Q0-Q3)
  12. Carry Input (CI)
  13. Ripple Clock Output (RCO)
  14. Data Inputs (D0-D3)
  15. Enable Input (EN)
  16. Parallel Load Input (PL)

Functional Features

  • Up/down counting mode selection
  • Synchronous or asynchronous reset
  • Parallel load capability for presetting the counter value
  • Carry input and output for cascading multiple counters

Advantages and Disadvantages

Advantages

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

Disadvantages

  • Limited number of counting stages (4-bit) may restrict its use in complex counting scenarios.
  • Lack of built-in decoding logic limits its direct application in certain digital systems.

Working Principles

M74HC161TTR is a synchronous 4-bit binary counter that operates based on clock pulses. It counts up or down depending on the selected mode and increments or decrements the count value accordingly. The counter can be reset asynchronously or synchronously, and the current count value can be loaded in parallel using the PL input. The carry input and output allow for cascading multiple counters to achieve higher counting ranges.

Detailed Application Field Plans

M74HC161TTR finds applications in various fields where digital counting is required. Some specific areas of application include: - Frequency dividers - Event counters - Digital timers - Industrial automation - Communication systems

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to M74HC161TTR are: - CD74HC161E by Texas Instruments - SN74HC161N by Texas Instruments - MC74HC161AN by ON Semiconductor - 74HC161D by NXP Semiconductors

These alternatives can be considered based on specific requirements and availability.

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技術ソリューションにおける M74HC161TTR の適用に関連する 10 件の一般的な質問と回答をリストします。

Sure! Here are 10 common questions and answers related to the application of M74HC161TTR in technical solutions:

  1. Q: What is M74HC161TTR? A: M74HC161TTR is a 4-bit synchronous binary counter with asynchronous reset, commonly used in digital circuits.

  2. Q: What is the operating voltage range for M74HC161TTR? A: The operating voltage range for M74HC161TTR is typically between 2V and 6V.

  3. Q: How many inputs does M74HC161TTR have? A: M74HC161TTR has four inputs: Clock (CLK), Enable (ENP), Load (LD), and Reset (MR).

  4. Q: What is the maximum clock frequency supported by M74HC161TTR? A: The maximum clock frequency supported by M74HC161TTR is typically around 50 MHz.

  5. Q: Can M74HC161TTR be used as a frequency divider? A: Yes, M74HC161TTR can be used as a frequency divider by connecting the output of one stage to the input of the next stage.

  6. Q: How does the asynchronous reset work in M74HC161TTR? A: When the Reset (MR) input is set to low (logic 0), it resets the counter to its initial state regardless of other inputs.

  7. Q: What is the purpose of the Load (LD) input in M74HC161TTR? A: The Load (LD) input allows the user to load a specific value into the counter when enabled.

  8. Q: Can M74HC161TTR be cascaded to create larger counters? A: Yes, multiple M74HC161TTR counters can be cascaded together to create larger counters with more bits.

  9. Q: What is the power supply voltage range for M74HC161TTR? A: The power supply voltage range for M74HC161TTR is typically between 2V and 6V.

  10. Q: Can M74HC161TTR be used in both synchronous and asynchronous applications? A: Yes, M74HC161TTR can be used in both synchronous and asynchronous applications depending on the requirements of the circuit.

Please note that the answers provided here are general and may vary depending on the specific datasheet and manufacturer's specifications for M74HC161TTR.