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Encyclopedia Entry: 74VHC244SJX
Product Overview
Category
The 74VHC244SJX belongs to the category of integrated circuits (ICs).
Use
This IC is commonly used in digital electronic systems for signal amplification and buffering purposes.
Characteristics
- High-speed operation
- Low power consumption
- Wide operating voltage range
- Compatibility with various logic families
Package
The 74VHC244SJX is available in a small outline integrated circuit (SOIC) package.
Essence
The essence of this product lies in its ability to provide efficient signal amplification and buffering, ensuring reliable data transmission within digital electronic systems.
Packaging/Quantity
The 74VHC244SJX is typically packaged in reels or tubes, containing a specific quantity of ICs per package. The exact packaging and quantity may vary depending on the manufacturer.
Specifications
- Supply Voltage Range: 2.0V to 5.5V
- Input Voltage Range: 0V to VCC
- Output Voltage Range: 0V to VCC
- Operating Temperature Range: -40°C to +85°C
- Input Capacitance: 3.5pF (typical)
- Output Capacitance: 6pF (typical)
- Propagation Delay Time: 4.5ns (typical)
Detailed Pin Configuration
The 74VHC244SJX consists of 20 pins, each serving a specific function. The pin configuration is as follows:
- Pin 1: Output 1 (Y1)
- Pin 2: Input 1 (A1)
- Pin 3: Input 2 (A2)
- Pin 4: GND (Ground)
- Pin 5: Input 3 (A3)
- Pin 6: Input 4 (A4)
- Pin 7: Output 2 (Y2)
- Pin 8: Output 3 (Y3)
- Pin 9: GND (Ground)
- Pin 10: Output 4 (Y4)
- Pin 11: Enable (EN)
- Pin 12: GND (Ground)
- Pin 13: Output 5 (Y5)
- Pin 14: Input 5 (A5)
- Pin 15: Input 6 (A6)
- Pin 16: VCC (Supply Voltage)
- Pin 17: Input 7 (A7)
- Pin 18: Input 8 (A8)
- Pin 19: Output 6 (Y6)
- Pin 20: Output 7 (Y7)
Functional Features
- Octal buffer/line driver with 3-state outputs
- Non-inverting outputs
- High-speed operation for efficient data transmission
- Low power consumption for energy efficiency
- Wide operating voltage range for compatibility with various systems
- 3-state outputs allow multiple devices to share a common bus
Advantages and Disadvantages
Advantages
- High-speed operation enables fast data transfer
- Low power consumption reduces energy usage
- Wide operating voltage range ensures compatibility with different systems
- 3-state outputs facilitate efficient sharing of a common bus
Disadvantages
- Limited output current capacity may restrict use in certain applications
- Sensitivity to electrostatic discharge (ESD) requires proper handling precautions
Working Principles
The 74VHC244SJX operates by receiving input signals on its eight input pins (A1-A8) and amplifying/buffering them. The non-inverting outputs (Y1-Y7) provide the amplified signals, which can be connected to other components or systems. The enable pin (EN) controls the output state, allowing the device to be enabled or disabled as required.
Detailed Application Field Plans
The 74VHC244SJX finds applications in various digital electronic systems, including but not limited to: - Microcontrollers - Data communication systems - Memory interfaces - Industrial automation - Automotive electronics
Detailed and Complete Alternative Models
There are several alternative models available that offer similar functionality to the 74VHC244SJX. Some notable alternatives include: - SN74LV244A - MC74VHC244 - CD74HCT244
These alternative models may have slight variations in specifications, pin configuration, or package type, but they serve the same purpose of signal amplification and buffering in digital electronic systems.
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Liệt kê 10 câu hỏi và câu trả lời thường gặp liên quan đến ứng dụng 74VHC244SJX trong giải pháp kỹ thuật
Sure! Here are 10 common questions and answers related to the application of 74VHC244SJX in technical solutions:
Q: What is the 74VHC244SJX? A: The 74VHC244SJX is a high-speed octal buffer/line driver integrated circuit (IC) that can be used for signal amplification and buffering.
Q: What is the operating voltage range of the 74VHC244SJX? A: The 74VHC244SJX operates within a voltage range of 2.0V to 5.5V.
Q: How many channels does the 74VHC244SJX have? A: The 74VHC244SJX has 8 channels, making it an octal buffer/line driver.
Q: What is the maximum output current of the 74VHC244SJX? A: The 74VHC244SJX can source or sink up to 8mA of current per channel.
Q: Can the 74VHC244SJX be used for bidirectional communication? A: Yes, the 74VHC244SJX supports bidirectional communication by using its tri-state outputs.
Q: What is the propagation delay of the 74VHC244SJX? A: The typical propagation delay of the 74VHC244SJX is around 4.5ns.
Q: Can the 74VHC244SJX handle high-speed signals? A: Yes, the 74VHC244SJX is designed for high-speed operation and can handle signals with fast rise and fall times.
Q: Is the 74VHC244SJX compatible with TTL logic levels? A: Yes, the 74VHC244SJX is compatible with both TTL and CMOS logic levels.
Q: Can the 74VHC244SJX be used in automotive applications? A: Yes, the 74VHC244SJX is suitable for automotive applications as it can operate within the required voltage range.
Q: What are some typical applications of the 74VHC244SJX? A: The 74VHC244SJX is commonly used in various technical solutions such as data communication systems, memory interfaces, bus drivers, and general-purpose buffering applications.
Please note that these answers are general and may vary depending on specific datasheet specifications and application requirements.