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Encyclopedia Entry: 74ACT11240DWR
Product Overview
Category
The 74ACT11240DWR belongs to the category of integrated circuits (ICs).
Use
This IC is commonly used in electronic devices for signal amplification and switching purposes.
Characteristics
- The 74ACT11240DWR is a high-speed octal buffer/line driver.
- It operates at a voltage range of 2.0V to 6.0V, making it suitable for various applications.
- This IC has a wide operating temperature range, typically from -40°C to +85°C.
- It offers high noise immunity and low power consumption.
Package
The 74ACT11240DWR is available in a standard 20-pin SOIC (Small Outline Integrated Circuit) package.
Essence
The essence of the 74ACT11240DWR lies in its ability to provide efficient signal buffering and driving capabilities, ensuring reliable data transmission within electronic systems.
Packaging/Quantity
This IC is typically sold in reels or tubes, with a quantity of 250 units per reel/tube.
Specifications
- Supply Voltage Range: 2.0V to 6.0V
- Input Voltage Range: 0V to VCC
- Output Voltage Range: 0V to VCC
- High-Level Input Voltage: 2.0V to VCC + 0.5V
- Low-Level Input Voltage: -0.5V to 0.8V
- High-Level Output Voltage: VCC - 0.5V
- Low-Level Output Voltage: 0.4V
- Maximum Operating Frequency: 125MHz
- Propagation Delay Time: 3.5ns (typical)
- Output Current: ±24mA
Detailed Pin Configuration
The 74ACT11240DWR has a total of 20 pins, which are assigned specific functions as follows:
- Pin 1: Output Y0
- Pin 2: Output Y1
- Pin 3: Output Y2
- Pin 4: Output Y3
- Pin 5: Output Y4
- Pin 6: Output Y5
- Pin 7: Output Y6
- Pin 8: Output Y7
- Pin 9: GND (Ground)
- Pin 10: Input G1
- Pin 11: Input G2
- Pin 12: Output Y8
- Pin 13: Output Y9
- Pin 14: Output Y10
- Pin 15: Output Y11
- Pin 16: Output Y12
- Pin 17: Output Y13
- Pin 18: Output Y14
- Pin 19: Output Y15
- Pin 20: VCC (Supply Voltage)
Functional Features
- The 74ACT11240DWR provides eight non-inverting buffers with 3-state outputs.
- It offers high-speed operation, making it suitable for applications requiring fast data transmission.
- This IC has a symmetrical output impedance, allowing balanced propagation delays and improved noise immunity.
- It features a common enable input (G) that controls the outputs, enabling easy interfacing with other devices.
Advantages and Disadvantages
Advantages
- High-speed operation allows for efficient data transmission.
- Wide operating voltage range enables compatibility with various systems.
- Symmetrical output impedance improves noise immunity.
- Common enable input simplifies device interfacing.
Disadvantages
- Limited output current may restrict usage in certain high-power applications.
- Availability in only one package type may limit flexibility in circuit design.
Working Principles
The 74ACT11240DWR operates by receiving input signals through the G1 and G2 pins. These inputs control the enable/disable state of the outputs (Y0-Y15). When enabled, the IC buffers and amplifies the input signals, providing high-speed, non-inverted outputs. The symmetrical output impedance ensures balanced propagation delays and minimizes signal distortion.
Detailed Application Field Plans
The 74ACT11240DWR finds applications in various electronic systems, including but not limited to: - Data communication devices - Computer peripherals - Industrial automation equipment - Automotive electronics - Consumer electronics
Detailed and Complete Alternative Models
Some alternative models that offer similar functionality to the 74ACT11240DWR include: - SN74ACT11240DW from Texas Instruments - MC74ACT11240DW from ON Semiconductor - CD74ACT11240E from Texas Instruments - 74ACT11240N from Fairchild Semiconductor
These alternatives can be considered based on specific requirements and availability.
In conclusion, the 74ACT11240DWR is a high-speed octal buffer
Liệt kê 10 câu hỏi và câu trả lời thường gặp liên quan đến ứng dụng 74ACT11240DWR trong giải pháp kỹ thuật
Sure! Here are 10 common questions and answers related to the application of 74ACT11240DWR in technical solutions:
Q: What is the 74ACT11240DWR? A: The 74ACT11240DWR is a specific type of integrated circuit (IC) that functions as a dual 4-input NAND gate with 3-state outputs.
Q: What are the typical applications of the 74ACT11240DWR? A: The 74ACT11240DWR is commonly used in digital logic circuits, memory systems, data communication systems, and other applications where NAND gate functionality is required.
Q: What is the voltage range supported by the 74ACT11240DWR? A: The 74ACT11240DWR supports a voltage range of 2.0V to 5.5V, making it compatible with both TTL and CMOS logic levels.
Q: How many inputs does the 74ACT11240DWR have? A: The 74ACT11240DWR has four inputs per gate, so it has a total of eight inputs for the dual 4-input NAND gates.
Q: Can the outputs of the 74ACT11240DWR be disabled? A: Yes, the 74ACT11240DWR has 3-state outputs, which means they can be disabled or put into a high-impedance state when not actively driving a signal.
Q: What is the maximum operating frequency of the 74ACT11240DWR? A: The maximum operating frequency of the 74ACT11240DWR is typically around 200 MHz, but it can vary depending on the specific conditions and setup.
Q: Is the 74ACT11240DWR compatible with other logic families? A: Yes, the 74ACT11240DWR is designed to be compatible with a wide range of logic families, including TTL, CMOS, and LSTTL.
Q: What is the power supply voltage required for the 74ACT11240DWR? A: The 74ACT11240DWR requires a power supply voltage between 4.5V and 5.5V for proper operation.
Q: Can the 74ACT11240DWR handle high-speed data transmission? A: Yes, the 74ACT11240DWR is capable of handling high-speed data transmission due to its fast switching speed and low propagation delay.
Q: Are there any specific precautions to consider when using the 74ACT11240DWR? A: It is important to ensure proper decoupling and bypass capacitors are used near the power supply pins to minimize noise and voltage fluctuations. Additionally, following the recommended operating conditions and thermal considerations outlined in the datasheet is crucial for reliable operation.