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Encyclopedia Entry: 74ALVT16821DL,512

Product Information Overview

Category: Integrated Circuit (IC)

Use: The 74ALVT16821DL,512 is a high-performance, low-voltage, 20-bit universal bus driver with 3-state outputs. It is designed to provide a buffer between a microprocessor or other digital system and a data bus.

Characteristics: This IC operates at a low voltage of 2.7V to 3.6V, making it suitable for use in portable devices and battery-powered applications. It offers a wide operating temperature range and has a high-speed capability, making it ideal for high-performance systems.

Package: The 74ALVT16821DL,512 is available in a small-outline package (SO) with 56 pins. The package provides good thermal performance and ease of handling during assembly.

Essence: The essence of the 74ALVT16821DL,512 lies in its ability to interface between different voltage levels and provide bidirectional communication between a microprocessor and a data bus.

Packaging/Quantity: This IC is typically sold in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

Supply Voltage Range: 2.7V to 3.6V
Operating Temperature Range: -40°C to +85°C
Input/Output Compatibility: TTL, CMOS
Output Drive Capability: ±24mA
Propagation Delay: 4.5ns (max)
Output Transition Time: 2.5ns (max)
Power Dissipation: 500mW (max)

Detailed Pin Configuration

The 74ALVT16821DL,512 has a total of 56 pins. Here is a detailed pin configuration:

Functional Features

Bidirectional data transfer capability
3-state outputs for bus sharing
Low voltage operation for power efficiency
High-speed performance for time-critical applications
Wide operating temperature range for versatility

Advantages and Disadvantages

Advantages: - Low-voltage operation makes it suitable for portable devices - High-speed capability enables efficient data transfer - Wide operating temperature range allows for various environments - 3-state outputs facilitate bus sharing

Disadvantages: - Limited number of input/output pins (44) - Requires external pull-up resistors for proper operation

Working Principles

The 74ALVT16821DL,512 operates by receiving input signals from a microprocessor or digital system and transmitting them to the data bus. It uses bidirectional buffers to enable communication in both directions. The 3-state outputs allow multiple devices to share the same bus without interfering with each other.

Detailed Application Field Plans

The 74ALVT16821DL,512 is commonly used in various applications, including: 1. Microprocessor-based systems 2. Data communication equipment 3. Portable devices (e.g., smartphones, tablets) 4. Industrial control systems 5. Automotive electronics

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the 74ALVT16821DL,512 are: 1. 74ALVCH16821DGGR 2. SN74ALVC164245DGGR 3. MC74LVX16244DTG

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

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قم بإدراج 10 أسئلة وإجابات شائعة تتعلق بتطبيق 74ALVT16821DL,512 في الحلول التقنية

Sure! Here are 10 common questions and answers related to the application of 74ALVT16821DL,512:

Q: What is the function of the 74ALVT16821DL,512? A: The 74ALVT16821DL,512 is a 20-bit bus interface flip-flop with 3-state outputs.
Q: What is the operating voltage range for this device? A: The operating voltage range for the 74ALVT16821DL,512 is typically between 2.7V and 3.6V.
Q: How many 3-state outputs does this device have? A: The 74ALVT16821DL,512 has 20 3-state outputs.
Q: Can I use this device in a 5V system? A: No, this device is not compatible with 5V systems. It operates at lower voltages.
Q: What is the maximum frequency at which this device can operate? A: The maximum operating frequency for the 74ALVT16821DL,512 is typically around 200MHz.
Q: Does this device have any built-in protection features? A: Yes, the 74ALVT16821DL,512 has built-in ESD protection on all inputs and outputs.
Q: Can I connect multiple devices together to expand the number of inputs/outputs? A: Yes, you can connect multiple 74ALVT16821DL,512 devices together to expand the number of inputs/outputs.
Q: Is this device suitable for high-speed data transfer applications? A: Yes, the 74ALVT16821DL,512 is designed for high-speed data transfer applications.
Q: What is the power consumption of this device? A: The power consumption of the 74ALVT16821DL,512 is typically low, making it suitable for battery-powered applications.
Q: Are there any specific layout considerations when using this device? A: Yes, it is recommended to follow the manufacturer's guidelines for proper layout and decoupling capacitor placement to ensure optimal performance.

Please note that these answers are general and may vary depending on the specific application and requirements. It is always recommended to refer to the datasheet and consult with the manufacturer for detailed information.