ON Semiconductor
L'immagine può essere rappresentativa.
Vedi le specifiche per i dettagli del prodotto.
DM74ALS165M
vedi dettagli Schede tecniche

DM74ALS165M

Product Overview

Category

DM74ALS165M belongs to the category of integrated circuits (ICs).

Use

This IC is commonly used for parallel-in/serial-out shift register applications.

Characteristics

  • High-speed operation
  • Wide operating voltage range
  • Low power consumption
  • TTL compatible inputs and outputs

Package

DM74ALS165M is available in a 16-pin SOIC (Small Outline Integrated Circuit) package.

Essence

The essence of DM74ALS165M lies in its ability to convert parallel data into serial data, making it suitable for various applications requiring data transfer and storage.

Packaging/Quantity

DM74ALS165M is typically packaged in reels or tubes, with quantities varying based on customer requirements.

Specifications

  • Supply Voltage: 4.5V to 5.5V
  • Input Voltage: 0V to VCC
  • Output Voltage: 0V to VCC
  • Operating Temperature Range: -40°C to +85°C
  • Maximum Clock Frequency: 50 MHz

Detailed Pin Configuration

  1. SER (Serial Data Input)
  2. QA (Parallel Data Output A)
  3. QB (Parallel Data Output B)
  4. QC (Parallel Data Output C)
  5. QD (Parallel Data Output D)
  6. QE (Parallel Data Output E)
  7. QF (Parallel Data Output F)
  8. QG (Parallel Data Output G)
  9. QH (Parallel Data Output H)
  10. CLK (Clock Input)
  11. SH/LD (Shift/Load Input)
  12. GND (Ground)
  13. QH' (Parallel Data Output H')
  14. QG' (Parallel Data Output G')
  15. QF' (Parallel Data Output F')
  16. VCC (Supply Voltage)

Functional Features

  • Parallel-to-serial data conversion
  • Shift and load modes of operation
  • Asynchronous parallel data loading
  • Synchronous serial data transfer
  • Cascadable for larger shift registers

Advantages and Disadvantages

Advantages

  • High-speed operation enables efficient data transfer
  • Wide operating voltage range allows compatibility with various systems
  • Low power consumption reduces energy requirements
  • TTL compatible inputs and outputs facilitate integration with other components

Disadvantages

  • Limited number of parallel data inputs (8 in this case)
  • Requires external clock signal for proper operation

Working Principles

DM74ALS165M operates by receiving parallel data through its eight input pins (QA to QH) and converting it into a serial data stream at the SER pin. The CLK input synchronizes the shifting of data bits, while the SH/LD input controls the mode of operation (shift or load). In shift mode, the data is shifted out serially, whereas in load mode, new parallel data can be loaded asynchronously.

Detailed Application Field Plans

DM74ALS165M finds applications in various fields where parallel-to-serial data conversion is required. Some potential application areas include:

  1. Communication Systems: Used for data transmission and reception in communication protocols.
  2. Industrial Automation: Enables efficient control and monitoring of industrial processes.
  3. Consumer Electronics: Integrated into devices like TVs, set-top boxes, and gaming consoles for data processing.
  4. Automotive Electronics: Utilized in automotive systems for data transfer and control functions.
  5. Robotics: Facilitates data handling and manipulation in robotic systems.

Detailed and Complete Alternative Models

  1. SN74ALS165N: Similar IC from Texas Instruments with identical functionality.
  2. CD74HC165E: A CMOS-based alternative from Texas Instruments offering similar features.
  3. 74HC165D: Another CMOS-based option from NXP Semiconductors with comparable specifications.

These alternative models can be considered based on specific requirements and availability.

Word count: 515 words

10 domande e risposte comuni relative all'applicazione di DM74ALS165M nelle soluzioni tecniche

Sure! Here are 10 common questions and answers related to the application of DM74ALS165M in technical solutions:

  1. Q: What is DM74ALS165M? A: DM74ALS165M is a 8-bit parallel-in/serial-out shift register integrated circuit (IC) commonly used in digital electronics.

  2. Q: What is the purpose of using DM74ALS165M in a technical solution? A: DM74ALS165M is used to convert parallel data into serial data, making it useful for applications such as data transmission, input/output expansion, and serial communication protocols.

  3. Q: How does DM74ALS165M work? A: DM74ALS165M has 8 parallel inputs (D0-D7) and a single serial output (QH'). It shifts the parallel data into its internal registers on each clock pulse, allowing the data to be read out serially.

  4. Q: What is the maximum clock frequency supported by DM74ALS165M? A: The maximum clock frequency supported by DM74ALS165M is typically around 25 MHz.

  5. Q: Can DM74ALS165M be cascaded to increase the number of inputs? A: Yes, DM74ALS165M can be cascaded by connecting the serial output (QH') of one IC to the serial input (DS) of another IC, allowing for an increased number of inputs.

  6. Q: What is the power supply voltage range for DM74ALS165M? A: The power supply voltage range for DM74ALS165M is typically between 4.75V and 5.25V.

  7. Q: Does DM74ALS165M have any built-in error detection or correction features? A: No, DM74ALS165M does not have any built-in error detection or correction features. It simply shifts the data without performing any checks.

  8. Q: Can DM74ALS165M be used in both synchronous and asynchronous applications? A: Yes, DM74ALS165M can be used in both synchronous and asynchronous applications, depending on the clock signal provided.

  9. Q: What is the typical power consumption of DM74ALS165M? A: The typical power consumption of DM74ALS165M is around 50mW.

  10. Q: Are there any specific precautions to consider when using DM74ALS165M? A: It is important to ensure that the power supply voltage is within the specified range, avoid exceeding the maximum clock frequency, and properly handle static electricity to prevent damage to the IC.

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