Texas Instruments
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SN74LV161APW
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SN74LV161APW

Product Overview

Category

SN74LV161APW belongs to the category of integrated circuits (ICs).

Use

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

Characteristics

  • Low-voltage operation: The SN74LV161APW operates at low voltage levels, making it suitable for battery-powered devices.
  • Synchronous counting: It performs synchronous counting, ensuring accurate and reliable results.
  • High-speed operation: The IC is designed to operate at high clock frequencies, enabling fast counting operations.
  • Wide operating temperature range: It can function reliably across a wide temperature range, making it suitable for various environments.

Package

The SN74LV161APW comes in a small-sized package known as TSSOP (Thin Shrink Small Outline Package). This package offers space-saving advantages and ease of integration into circuit designs.

Essence

The essence of SN74LV161APW lies in its ability to count binary numbers synchronously, providing an essential component for digital systems.

Packaging/Quantity

The IC is typically packaged in reels or tubes, with each reel or tube containing a specific quantity of SN74LV161APW ICs. The exact quantity may vary depending on the manufacturer's specifications.

Specifications

  • Supply Voltage Range: 2V to 5.5V
  • Operating Temperature Range: -40°C to +85°C
  • Maximum Clock Frequency: 50 MHz
  • Number of Counting Bits: 4
  • Logic Family: LV (Low Voltage)
  • Package Type: TSSOP-16

Detailed Pin Configuration

The SN74LV161APW has a total of 16 pins, each serving a specific purpose. The pin configuration is as follows:

  1. CLK (Clock Input)
  2. MR (Master Reset Input)
  3. CPD (Count Enable Parallel Input)
  4. D0 (Data Input Bit 0)
  5. D1 (Data Input Bit 1)
  6. D2 (Data Input Bit 2)
  7. D3 (Data Input Bit 3)
  8. Q0 (Output Bit 0)
  9. Q1 (Output Bit 1)
  10. Q2 (Output Bit 2)
  11. Q3 (Output Bit 3)
  12. GND (Ground)
  13. NC (No Connection)
  14. VCC (Power Supply)
  15. CE (Count Enable)
  16. TC (Terminal Count Output)

Functional Features

  • Synchronous Binary Counting: The SN74LV161APW performs synchronous binary counting, ensuring accurate and synchronized results.
  • Parallel Load Capability: It allows parallel loading of initial values for counting, providing flexibility in various applications.
  • Asynchronous Master Reset: The IC features an asynchronous master reset input, allowing the counter to be reset independently of the clock signal.
  • Terminal Count Output: The terminal count output (TC) indicates when the counter reaches its maximum value, enabling efficient control of subsequent operations.

Advantages and Disadvantages

Advantages

  • Low-voltage operation makes it suitable for battery-powered devices.
  • High-speed operation enables fast counting operations.
  • Wide operating temperature range ensures reliability in various environments.
  • Small package size (TSSOP) offers space-saving advantages.

Disadvantages

  • Limited number of counting bits (4 bits).
  • Requires an external clock signal for operation.

Working Principles

The SN74LV161APW operates based on synchronous binary counting principles. It utilizes a clock signal to increment or decrement the count value stored internally. The counter can be loaded with initial values in parallel, and the count can be reset asynchronously using the master reset input. The terminal count output indicates when the counter reaches its maximum value.

Detailed Application Field Plans

The SN74LV161APW finds applications in various digital systems, including but not limited to: - Digital frequency dividers - Event counters - Data acquisition systems - Industrial control systems - Communication devices

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the SN74LV161APW include: - CD40161B: 4-bit synchronous binary counter IC - MC74HC161A: High-speed CMOS logic 4-bit binary counter - 74F161A: Synchronous presettable 4-bit binary counter

These alternative models can be considered based on specific requirements and compatibility with the overall system design.

Word count: 570 words

Énumérez 10 questions et réponses courantes liées à l'application de SN74LV161APW dans les solutions techniques

Sure! Here are 10 common questions and answers related to the application of SN74LV161APW:

  1. Q: What is SN74LV161APW? A: SN74LV161APW is a 4-bit synchronous binary counter with asynchronous reset, designed for use in various digital applications.

  2. Q: What is the operating voltage range of SN74LV161APW? A: The operating voltage range of SN74LV161APW is typically between 2V and 5.5V.

  3. Q: Can SN74LV161APW be used as a frequency divider? A: Yes, SN74LV161APW can be used as a frequency divider by connecting the input clock signal to the CLK pin and using the outputs accordingly.

  4. Q: How many output pins does SN74LV161APW have? A: SN74LV161APW has four output pins (Q0, Q1, Q2, and Q3) that represent the binary count value.

  5. Q: Is SN74LV161APW capable of counting up and down? A: No, SN74LV161APW is a binary counter that only counts up based on the input clock signal.

  6. Q: What is the maximum clock frequency supported by SN74LV161APW? A: The maximum clock frequency supported by SN74LV161APW is typically around 50 MHz.

  7. Q: Can SN74LV161APW be cascaded to create larger counters? A: Yes, multiple SN74LV161APW chips can be cascaded together to create larger counters by connecting the carry-out (COUT) of one chip to the carry-in (CIN) of the next chip.

  8. Q: Does SN74LV161APW have an asynchronous reset feature? A: Yes, SN74LV161APW has an asynchronous reset input (MR) that can be used to reset the counter to its initial state.

  9. Q: What is the power supply current consumption of SN74LV161APW? A: The power supply current consumption of SN74LV161APW varies depending on the operating conditions but is typically in the range of a few milliamperes.

  10. Q: Can SN74LV161APW be used in battery-powered applications? A: Yes, SN74LV161APW can be used in battery-powered applications as it operates within a low voltage range and has relatively low power consumption.

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