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DM74ALS245ASJX

DM74ALS245ASJX

Product Overview

Category

DM74ALS245ASJX belongs to the category of integrated circuits (ICs).

Use

It is commonly used as a bidirectional transceiver, which allows data transmission in both directions.

Characteristics

  • High-speed operation
  • Low power consumption
  • Wide voltage range
  • Compatible with TTL logic levels

Package

The DM74ALS245ASJX is available in a small outline integrated circuit (SOIC) package.

Essence

This IC serves as a crucial component in digital communication systems, enabling efficient and reliable data transfer.

Packaging/Quantity

The DM74ALS245ASJX is typically packaged in reels or tubes, containing a quantity of 250 units per package.

Specifications

  • Supply Voltage: 4.5V to 5.5V
  • Logic Family: ALS
  • Number of Channels: 8
  • Input/Output Type: Tri-State
  • Operating Temperature Range: -40°C to +85°C
  • Propagation Delay Time: 10ns (max)
  • Output Current: ±24mA

Detailed Pin Configuration

  1. A1 - Channel 1 Data Input
  2. B1 - Channel 1 Data Output
  3. GND - Ground
  4. A2 - Channel 2 Data Input
  5. B2 - Channel 2 Data Output
  6. A3 - Channel 3 Data Input
  7. B3 - Channel 3 Data Output
  8. VCC - Power Supply
  9. B4 - Channel 4 Data Output
  10. A4 - Channel 4 Data Input
  11. B5 - Channel 5 Data Output
  12. A5 - Channel 5 Data Input
  13. B6 - Channel 6 Data Output
  14. A6 - Channel 6 Data Input
  15. B7 - Channel 7 Data Output
  16. A7 - Channel 7 Data Input
  17. B8 - Channel 8 Data Output
  18. A8 - Channel 8 Data Input

Functional Features

  • Bidirectional data transmission
  • Tri-state outputs for bus-oriented applications
  • High-speed operation for efficient data transfer
  • TTL-compatible logic levels for easy integration into existing systems
  • Low power consumption for energy-efficient designs

Advantages and Disadvantages

Advantages

  • High-speed operation allows for fast data transfer.
  • Wide voltage range enables compatibility with various systems.
  • Tri-state outputs facilitate bus-oriented applications.
  • Low power consumption contributes to energy efficiency.

Disadvantages

  • Limited number of channels (8) may not be sufficient for certain applications.
  • Propagation delay time (10ns max) may introduce latency in time-critical systems.

Working Principles

The DM74ALS245ASJX operates by receiving data inputs from one set of pins (A1-A8) and transmitting them to another set of pins (B1-B8). It can also receive data inputs from the B pins and transmit them to the A pins. The bidirectional nature of this IC allows for seamless data communication in both directions.

Detailed Application Field Plans

The DM74ALS245ASJX finds extensive use in various digital communication systems, including:

  1. Microprocessor-based systems
  2. Data acquisition systems
  3. Industrial automation
  4. Networking equipment
  5. Telecommunication devices
  6. Automotive electronics
  7. Consumer electronics

Detailed and Complete Alternative Models

  1. SN74ALS245AN
  2. MC74ALS245N
  3. CD74ALS245E
  4. 74ALS245D

These alternative models offer similar functionality and characteristics to the DM74ALS245ASJX, providing flexibility in choosing the most suitable option for specific applications.

In conclusion, the DM74ALS245ASJX is a high-speed bidirectional transceiver IC that enables efficient data transmission in various digital communication systems. Its compatibility with TTL logic levels, low power consumption, and wide voltage range make it a versatile choice for many applications. However, its limited number of channels and propagation delay time should be considered when selecting this IC for time-critical or high-channel-count systems.

רשום 10 שאלות ותשובות נפוצות הקשורות ליישום של DM74ALS245ASJX בפתרונות טכניים

Sure! Here are 10 common questions and answers related to the application of DM74ALS245ASJX in technical solutions:

  1. Question: What is DM74ALS245ASJX?
    Answer: DM74ALS245ASJX is a type of integrated circuit (IC) commonly used as a bidirectional transceiver for transferring data between different voltage levels.

  2. Question: What is the operating voltage range of DM74ALS245ASJX?
    Answer: The operating voltage range of DM74ALS245ASJX is typically between 4.5V and 5.5V.

  3. Question: Can DM74ALS245ASJX be used for level shifting between different logic families?
    Answer: Yes, DM74ALS245ASJX can be used for level shifting between different logic families, such as TTL and CMOS.

  4. Question: How many data lines can DM74ALS245ASJX handle?
    Answer: DM74ALS245ASJX has 8 bidirectional data lines, allowing it to handle parallel data transfer.

  5. Question: What is the maximum data transfer rate supported by DM74ALS245ASJX?
    Answer: DM74ALS245ASJX supports a maximum data transfer rate of up to 24 megabits per second (Mbps).

  6. Question: Can DM74ALS245ASJX be used in both input and output modes simultaneously?
    Answer: No, DM74ALS245ASJX operates in either input or output mode at a given time, depending on the control signals provided.

  7. Question: Does DM74ALS245ASJX have any built-in protection features?
    Answer: Yes, DM74ALS245ASJX has built-in electrostatic discharge (ESD) protection diodes to safeguard against static electricity damage.

  8. Question: What is the typical power consumption of DM74ALS245ASJX?
    Answer: The typical power consumption of DM74ALS245ASJX is around 100 milliwatts (mW).

  9. Question: Can DM74ALS245ASJX be used in both commercial and industrial applications?
    Answer: Yes, DM74ALS245ASJX is suitable for use in both commercial and industrial applications due to its wide operating temperature range.

  10. Question: Are there any specific layout considerations when using DM74ALS245ASJX?
    Answer: Yes, it is recommended to follow the manufacturer's guidelines for proper decoupling capacitor placement and signal integrity considerations when designing the PCB layout for DM74ALS245ASJX.

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