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SN74ALS166D
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SN74ALS166D

Product Overview

Category

SN74ALS166D belongs to the category of integrated circuits (ICs).

Use

This IC is commonly used for parallel-in serial-out (PISO) shift register applications.

Characteristics

  • High-speed operation
  • Wide operating voltage range
  • Low power consumption
  • Schottky-clamped inputs
  • Buffered outputs

Package

SN74ALS166D is available in a 16-pin dual in-line package (DIP).

Essence

The essence of SN74ALS166D lies in its ability to convert parallel data into serial data, making it suitable for various digital applications.

Packaging/Quantity

SN74ALS166D is typically packaged in tubes or reels and is available in quantities of 100 or more.

Specifications

  • Supply Voltage: 4.5V to 5.5V
  • Operating Temperature Range: -40°C to +85°C
  • Input Voltage: 0V to VCC
  • Output Voltage: 0V to VCC
  • Maximum Clock Frequency: 25MHz
  • Number of Bits: 8

Detailed Pin Configuration

  1. SER (Serial Data Input)
  2. CLK (Clock Input)
  3. GND (Ground)
  4. QA (Parallel Data Output)
  5. QB (Parallel Data Output)
  6. QC (Parallel Data Output)
  7. QD (Parallel Data Output)
  8. QE (Parallel Data Output)
  9. QF (Parallel Data Output)
  10. QG (Parallel Data Output)
  11. QH (Parallel Data Output)
  12. MR (Master Reset)
  13. OE (Output Enable)
  14. VCC (Supply Voltage)
  15. A (Parallel Data Input)
  16. B (Parallel Data Input)

Functional Features

  • Parallel-to-serial data conversion
  • Shift register functionality
  • Master reset for clearing the register
  • Output enable for controlling data output
  • Schottky-clamped inputs for improved noise immunity

Advantages and Disadvantages

Advantages

  • High-speed operation allows for efficient data processing.
  • Wide operating voltage range provides flexibility in various applications.
  • Low power consumption helps conserve energy.
  • Schottky-clamped inputs enhance noise immunity, ensuring reliable data transmission.
  • Buffered outputs ensure signal integrity.

Disadvantages

  • Limited number of bits (8) may not be sufficient for certain applications requiring larger data storage capacity.
  • Availability in DIP package only may limit compatibility with modern surface mount technology.

Working Principles

SN74ALS166D operates by receiving parallel data through its A and B input pins. The clock input (CLK) triggers the shift register, causing the data to shift from one stage to the next. The serial data input (SER) is loaded into the first stage, while the last stage's data is shifted out through the QA output pin. The master reset (MR) pin clears the register, and the output enable (OE) pin controls the data output.

Detailed Application Field Plans

SN74ALS166D finds applications in various fields, including: 1. Data communication systems 2. Industrial automation 3. Automotive electronics 4. Consumer electronics 5. Robotics 6. Instrumentation and measurement devices

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to SN74ALS166D are: 1. CD74HC165E 2. 74HC166N 3. SN74HC595N 4. CD4015BE 5. 74LS164N

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

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Listen Sie 10 häufige Fragen und Antworten im Zusammenhang mit der Anwendung von SN74ALS166D in technischen Lösungen auf

Sure! Here are 10 common questions and answers related to the application of SN74ALS166D in technical solutions:

  1. Q: What is SN74ALS166D? A: SN74ALS166D is a 8-bit parallel-in/serial-out shift register IC (integrated circuit) commonly used in digital electronics.

  2. Q: What is the purpose of using SN74ALS166D in a technical solution? A: SN74ALS166D can be used for various purposes such as data storage, data transfer, serial-to-parallel conversion, and parallel-to-serial conversion.

  3. Q: How many bits can SN74ALS166D handle? A: SN74ALS166D is an 8-bit shift register, meaning it can handle 8 bits of data at a time.

  4. Q: What is the maximum clock frequency supported by SN74ALS166D? A: The maximum clock frequency supported by SN74ALS166D is typically around 25 MHz.

  5. Q: Can SN74ALS166D be cascaded to handle more than 8 bits? A: Yes, multiple SN74ALS166D ICs can be cascaded together to handle larger numbers of bits.

  6. Q: What is the power supply voltage range for SN74ALS166D? A: SN74ALS166D typically operates with a power supply voltage range of 4.5V to 5.5V.

  7. Q: Does SN74ALS166D support both rising and falling edge triggering? A: No, SN74ALS166D supports only rising edge triggering.

  8. Q: Can SN74ALS166D be used in both synchronous and asynchronous applications? A: Yes, SN74ALS166D can be used in both synchronous and asynchronous applications depending on the clock signal used.

  9. Q: What is the typical output current capability of SN74ALS166D? A: The typical output current capability of SN74ALS166D is around 8 mA.

  10. Q: Are there any specific precautions to consider when using SN74ALS166D? A: It is important to ensure proper decoupling capacitors are used near the power supply pins of SN74ALS166D to minimize noise and voltage fluctuations. Additionally, care should be taken to avoid exceeding the maximum ratings specified in the datasheet.

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