Texas Instruments
قد تكون الصورة تمثيلية.
راجع المواصفات للحصول على تفاصيل المنتج.
SN74AS161N
عرض التفاصيل جداول البيانات

SN74AS161N

Product Overview

Category

SN74AS161N belongs to the category of integrated circuits (ICs).

Use

This IC is commonly used as a synchronous 4-bit binary counter.

Characteristics

  • Synchronous operation
  • High-speed performance
  • Low power consumption
  • Wide operating voltage range

Package

SN74AS161N is available in a 16-pin DIP (Dual In-line Package) format.

Essence

The essence of SN74AS161N lies in its ability to count binary numbers synchronously, making it suitable for various digital applications.

Packaging/Quantity

SN74AS161N is typically packaged in tubes or reels and is available in quantities of hundreds or thousands per package.

Specifications

  • Supply Voltage: 4.75V to 5.25V
  • Operating Temperature Range: -40°C to +85°C
  • Maximum Clock Frequency: 25MHz
  • Number of Counting Bits: 4
  • Logic Family: AS (Advanced Schottky)

Detailed Pin Configuration

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

Functional Features

  • Synchronous counting operation
  • Parallel load capability
  • Up and down counting modes
  • Carry input and output for cascading multiple counters
  • Clear function for resetting the counter

Advantages

  • High-speed performance allows for efficient counting operations.
  • Low power consumption makes it suitable for battery-powered devices.
  • Wide operating voltage range provides flexibility in various applications.

Disadvantages

  • Limited number of counting bits (4 bits) may not be sufficient for certain complex applications.
  • Availability and compatibility with newer technologies may become limited over time.

Working Principles

SN74AS161N operates based on synchronous counting principles. The clock input (CLK) triggers the counter to increment or decrement based on the count control input (UP/DN). The parallel load input (PL) allows for loading a specific value into the counter. The carry input (CI) and output (CO) enable cascading multiple counters for larger counting ranges.

Detailed Application Field Plans

SN74AS161N finds applications in various digital systems, including but not limited to: - Digital frequency dividers - Event counters - Industrial automation - Communication systems - Embedded systems

Detailed and Complete Alternative Models

  1. SN74LS161N: Similar functionality with TTL logic family.
  2. CD40161BE: CMOS-based 4-bit synchronous counter.
  3. MC74HC161AN: High-speed CMOS counter with similar specifications.

These alternative models provide similar functionalities to SN74AS161N and can be considered as replacements depending on specific requirements.

Word Count: 408 words

قم بإدراج 10 أسئلة وإجابات شائعة تتعلق بتطبيق SN74AS161N في الحلول التقنية

Sure! Here are 10 common questions and answers related to the application of SN74AS161N in technical solutions:

  1. Q: What is SN74AS161N? A: SN74AS161N is a synchronous, presettable, 4-bit binary counter IC (integrated circuit) that can be used in various digital applications.

  2. Q: What is the maximum clock frequency supported by SN74AS161N? A: SN74AS161N supports a maximum clock frequency of 25 MHz.

  3. Q: How many outputs does SN74AS161N have? A: SN74AS161N has four outputs, representing the four bits of the binary counter.

  4. Q: Can SN74AS161N be cascaded to create larger counters? A: Yes, multiple SN74AS161N ICs can be cascaded together to create larger counters with more bits.

  5. Q: What is the power supply voltage range for SN74AS161N? A: SN74AS161N operates on a power supply voltage range of 4.75V to 5.25V.

  6. Q: Does SN74AS161N have any built-in asynchronous clear functionality? A: No, SN74AS161N does not have a built-in asynchronous clear function. However, it can be externally cleared using other logic components.

  7. Q: What is the typical propagation delay of SN74AS161N? A: The typical propagation delay of SN74AS161N is around 15 ns.

  8. Q: Can SN74AS161N be used in both synchronous and asynchronous counting modes? A: No, SN74AS161N can only be used in synchronous counting mode.

  9. Q: What is the maximum operating temperature range for SN74AS161N? A: SN74AS161N can operate within a temperature range of -40°C to 85°C.

  10. Q: What are some common applications of SN74AS161N? A: SN74AS161N is commonly used in applications such as frequency division, event counting, time delay generation, and general-purpose counting tasks.

Please note that these answers are based on general knowledge and may vary depending on the specific implementation and datasheet of SN74AS161N.