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Encyclopedia Entry: 74AHC244PW,118
Product Overview
Category
The 74AHC244PW,118 belongs to the category of integrated circuits (ICs).
Use
This IC is commonly used in electronic devices for signal amplification and buffering purposes.
Characteristics
- The 74AHC244PW,118 is a high-speed octal buffer/line driver with 3-state outputs.
- It operates at a voltage range of 2 V to 5.5 V, making it compatible with various digital systems.
- This IC offers low power consumption and high noise immunity.
- It has a wide operating temperature range, making it suitable for different environmental conditions.
Package
The 74AHC244PW,118 is available in a small-sized TSSOP (Thin Shrink Small Outline Package) package.
Essence
The essence of the 74AHC244PW,118 lies in its ability to amplify and buffer signals effectively, ensuring reliable data transmission within electronic circuits.
Packaging/Quantity
This IC is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.
Specifications
- Supply Voltage Range: 2 V to 5.5 V
- Input Voltage Range: 0 V to VCC
- Output Voltage Range: 0 V to VCC
- Operating Temperature Range: -40°C to +125°C
- Input Capacitance: 3 pF
- Output Capacitance: 6 pF
- Propagation Delay Time: 7 ns (max)
- Output Current: ±8 mA
Detailed Pin Configuration
The 74AHC244PW,118 has a total of 20 pins, which are assigned specific functions as follows:
- Pin 1: Output Enable (OE)
- Pin 2: Input/Output (IO1)
- Pin 3: Input/Output (IO2)
- Pin 4: Input/Output (IO3)
- Pin 5: Input/Output (IO4)
- Pin 6: Input/Output (IO5)
- Pin 7: Input/Output (IO6)
- Pin 8: Ground (GND)
- Pin 9: Input/Output (IO7)
- Pin 10: Input/Output (IO8)
- Pin 11: Output Enable (OE)
- Pin 12: Input/Output (IO9)
- Pin 13: Input/Output (IO10)
- Pin 14: Input/Output (IO11)
- Pin 15: Input/Output (IO12)
- Pin 16: Input/Output (IO13)
- Pin 17: Input/Output (IO14)
- Pin 18: Supply Voltage (VCC)
- Pin 19: Input/Output (IO15)
- Pin 20: Input/Output (IO16)
Functional Features
- The 74AHC244PW,118 provides eight non-inverting buffers with 3-state outputs.
- It allows bidirectional data flow and can be used as a line driver for driving high-capacitance loads.
- The output enable input (OE) controls the 3-state outputs, enabling or disabling the device's operation.
Advantages and Disadvantages
Advantages
- High-speed operation ensures efficient signal transmission.
- Low power consumption makes it suitable for battery-powered devices.
- Wide operating voltage range enhances compatibility with various digital systems.
- High noise immunity ensures reliable performance in noisy environments.
Disadvantages
- Limited number of input/output channels (16 in total).
- May not be suitable for applications requiring a large number of buffers.
Working Principles
The 74AHC244PW,118 operates by receiving input signals and amplifying them to drive the corresponding output lines. The output enable (OE) input controls the device's operation, allowing or disabling the data transmission through the 3-state outputs.
Detailed Application Field Plans
The 74AHC244PW,118 finds application in various electronic devices and systems, including but not limited to: - Microcontrollers - Digital signal processors - Communication equipment - Industrial automation systems - Automotive electronics
Detailed and Complete Alternative Models
Some alternative models that offer similar functionality to the 74AHC244PW,118 include: - SN74AHC244N - MC74AHC244DW - CD74AHC244M
These alternatives can be considered based on specific requirements and availability.
In conclusion, the 74AHC244PW,118 is a high-speed octal buffer/line driver IC with 3-state outputs. It offers advantages such as high-speed operation, low power consumption, and wide compatibility. However, it has limitations in terms of
Liệt kê 10 câu hỏi và câu trả lời thường gặp liên quan đến ứng dụng 74AHC244PW,118 trong giải pháp kỹ thuật
Sure! Here are 10 common questions and answers related to the application of 74AHC244PW,118 in technical solutions:
Q: What is the function of the 74AHC244PW,118? A: The 74AHC244PW,118 is an octal buffer/line driver with 3-state outputs. It is used to amplify and buffer digital signals.
Q: What is the voltage supply range for the 74AHC244PW,118? A: The voltage supply range for the 74AHC244PW,118 is typically between 2V and 5.5V.
Q: How many input/output pins does the 74AHC244PW,118 have? A: The 74AHC244PW,118 has 8 input pins and 8 output pins.
Q: Can the 74AHC244PW,118 be used for level shifting? A: Yes, the 74AHC244PW,118 can be used for level shifting as it supports both TTL and CMOS logic levels.
Q: What is the maximum output current that the 74AHC244PW,118 can drive? A: The 74AHC244PW,118 can drive up to 35mA of output current per channel.
Q: Is the 74AHC244PW,118 compatible with other logic families? A: Yes, the 74AHC244PW,118 is compatible with a wide range of logic families including TTL, CMOS, and LVTTL.
Q: Can the 74AHC244PW,118 be used for bidirectional communication? A: No, the 74AHC244PW,118 is a unidirectional buffer and cannot be used for bidirectional communication.
Q: What is the propagation delay of the 74AHC244PW,118? A: The propagation delay of the 74AHC244PW,118 is typically around 6ns.
Q: Can the 74AHC244PW,118 be used in high-speed applications? A: Yes, the 74AHC244PW,118 is designed for high-speed operation and can be used in applications with fast switching requirements.
Q: Are there any special considerations when using the 74AHC244PW,118 in a PCB layout? A: It is recommended to follow proper PCB layout guidelines to minimize noise and ensure signal integrity. Pay attention to decoupling capacitors and signal routing to optimize performance.
Please note that these answers are general and may vary depending on specific application requirements and datasheet specifications.