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SN74HC161PWG4

SN74HC161PWG4

Product Overview

  • Category: Integrated Circuit
  • Use: Counter
  • Characteristics: High-speed, synchronous, 4-bit binary counter
  • Package: TSSOP-16
  • Essence: Reliable and efficient digital counter
  • Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

  • Supply Voltage Range: 2V to 6V
  • Operating Temperature Range: -40°C to +85°C
  • Maximum Clock Frequency: 50 MHz
  • Number of Counting Stages: 4
  • Output Current: ±6 mA
  • Propagation Delay: 13 ns (typical)
  • Power Dissipation: 500 mW (max)

Pin Configuration

The SN74HC161PWG4 has a total of 16 pins. The pin configuration is as follows:

  1. Clock Enable (CE)
  2. Clock (CP)
  3. Parallel Load (PL)
  4. Down/Up (D/U)
  5. Carry Out (CO)
  6. B0
  7. B1
  8. B2
  9. B3
  10. GND
  11. A3
  12. A2
  13. A1
  14. A0
  15. Carry In (CI)
  16. VCC

Functional Features

  • Synchronous operation with a common clock input
  • Parallel load capability for presetting the counter
  • Up/down counting mode controlled by the D/U input
  • Carry input and carry output for cascading multiple counters
  • High-speed operation with minimal propagation delay

Advantages and Disadvantages

Advantages: - High-speed operation allows for efficient counting in various applications - Synchronous operation ensures accurate and reliable counting - Parallel load capability enables easy presetting of the counter - Up/down counting mode provides flexibility in counting direction - Compact TSSOP-16 package allows for space-saving integration

Disadvantages: - Limited number of counting stages (4 in this case) - Requires an external clock signal for operation

Working Principles

The SN74HC161PWG4 is a synchronous 4-bit binary counter. It operates based on the input clock signal and counts up or down depending on the state of the D/U input. The counter can be preset to a specific value using the parallel load input. The carry input and carry output pins allow for cascading multiple counters to achieve higher counting ranges.

Detailed Application Field Plans

The SN74HC161PWG4 finds applications in various fields, including:

  1. Digital frequency division: The counter can be used to divide an input clock frequency by a specific factor, enabling frequency scaling in digital systems.
  2. Event counting: It can be employed to count events or pulses in applications such as industrial automation, robotics, and electronic instrumentation.
  3. Timekeeping: The counter can be utilized in timekeeping circuits to track elapsed time or generate precise timing signals.
  4. Sequence generation: It can be used to generate specific sequences of binary numbers for control purposes in digital systems.

Detailed and Complete Alternative Models

  1. SN74HC163PWG4: Similar to SN74HC161PWG4 but with additional asynchronous reset functionality.
  2. CD40161BE: A CMOS version of the 4-bit synchronous binary counter with similar features.
  3. 74LS161: A TTL version of the 4-bit synchronous binary counter with comparable characteristics.

These alternative models provide similar functionality and can be considered as substitutes for the SN74HC161PWG4 in different applications.

Word Count: 410 words

10 سوال و پاسخ رایج مربوط به کاربرد SN74HC161PWG4 در راه حل های فنی را فهرست کنید

Sure! Here are 10 common questions and answers related to the application of SN74HC161PWG4:

  1. Q: What is SN74HC161PWG4? A: SN74HC161PWG4 is a synchronous, presettable, 4-bit binary counter IC (integrated circuit) that can be used in various technical solutions.

  2. Q: What is the operating voltage range for SN74HC161PWG4? A: The operating voltage range for SN74HC161PWG4 is typically between 2V and 6V.

  3. Q: Can SN74HC161PWG4 be used as a frequency divider? A: Yes, SN74HC161PWG4 can be used as a frequency divider by connecting the appropriate inputs and outputs.

  4. Q: How many clock inputs does SN74HC161PWG4 have? A: SN74HC161PWG4 has a single clock input (CLK) that controls the counting operation.

  5. Q: What is the maximum clock frequency for SN74HC161PWG4? A: The maximum clock frequency for SN74HC161PWG4 is typically around 50 MHz.

  6. Q: Can SN74HC161PWG4 be cascaded to create larger counters? A: Yes, multiple SN74HC161PWG4 ICs can be cascaded together to create larger counters with more bits.

  7. Q: Does SN74HC161PWG4 have any asynchronous inputs? A: No, SN74HC161PWG4 does not have any asynchronous inputs. It operates synchronously with the clock signal.

  8. Q: What is the maximum power supply current for SN74HC161PWG4? A: The maximum power supply current for SN74HC161PWG4 is typically around 8 mA.

  9. Q: Can SN74HC161PWG4 be used in both digital and analog applications? A: No, SN74HC161PWG4 is primarily designed for digital applications and may not be suitable for analog applications.

  10. Q: Are there any specific precautions to consider when using SN74HC161PWG4? A: It is important to ensure that the power supply voltage does not exceed the specified range and to follow the recommended operating conditions provided in the datasheet.

Please note that these answers are general and may vary depending on the specific application and requirements. Always refer to the datasheet and consult with an expert for accurate information.