Xem thông số kỹ thuật để biết chi tiết sản phẩm.
MC74ACT244MG
Product Overview
- Category: Integrated Circuit (IC)
- Use: Logic Level Shifter
- Characteristics: High-speed, Octal Buffer/Line Driver
- Package: 20-pin SOIC (Small Outline Integrated Circuit)
- Essence: The MC74ACT244MG is a high-performance octal buffer and line driver designed for general-purpose logic level shifting applications.
- Packaging/Quantity: Available in reels of 2500 units
Specifications
- Supply Voltage: 2.0V to 6.0V
- Input Voltage: 0V to VCC
- Output Voltage: 0V to VCC
- Operating Temperature Range: -40°C to +85°C
- Propagation Delay: 5ns (typical)
- Output Drive Capability: ±24mA
Detailed Pin Configuration
The MC74ACT244MG has a total of 20 pins, which are assigned as follows:
- A1 (Input)
- Y1 (Output)
- A2 (Input)
- Y2 (Output)
- A3 (Input)
- Y3 (Output)
- A4 (Input)
- Y4 (Output)
- GND (Ground)
- Y5 (Output)
- A5 (Input)
- Y6 (Output)
- A6 (Input)
- Y7 (Output)
- A7 (Input)
- Y8 (Output)
- VCC (Power Supply)
- OE (Output Enable)
- GND (Ground)
- A8 (Input)
Functional Features
- Provides non-inverting buffers with 3-state outputs
- Offers high-speed operation suitable for various applications
- Allows bidirectional data flow when OE is low
- Provides output drive capability for driving heavily loaded bus lines
Advantages and Disadvantages
Advantages
- High-speed operation enables efficient data transfer
- 3-state outputs allow bidirectional data flow
- Can drive heavily loaded bus lines
Disadvantages
- Limited supply voltage range (2.0V to 6.0V)
- Propagation delay may affect timing-sensitive applications
Working Principles
The MC74ACT244MG operates as an octal buffer and line driver by receiving input signals and providing non-inverted output signals. The device allows bidirectional data flow when the output enable (OE) pin is low. It can efficiently drive heavily loaded bus lines, making it suitable for various logic level shifting applications.
Detailed Application Field Plans
The MC74ACT244MG finds applications in a wide range of fields, including:
- Microprocessor-based systems
- Data communication systems
- Industrial control systems
- Automotive electronics
- Consumer electronics
Detailed and Complete Alternative Models
- SN74ACT244: Similar octal buffer/line driver with 3-state outputs, offered by Texas Instruments.
- CD74ACT244: Octal buffer/line driver with 3-state outputs, available from Texas Instruments.
- 74ACT244: Octal buffer/line driver with non-inverting outputs, provided by various manufacturers.
These alternative models offer similar functionality and can be used as substitutes for the MC74ACT244MG in different applications.
Word count: 346 words
Liệt kê 10 câu hỏi và câu trả lời thường gặp liên quan đến ứng dụng MC74ACT244MG trong giải pháp kỹ thuật
Sure! Here are 10 common questions and answers related to the application of MC74ACT244MG in technical solutions:
Q: What is MC74ACT244MG? A: MC74ACT244MG is a specific type of octal buffer/line driver integrated circuit (IC) that is commonly used in digital electronics.
Q: What is the purpose of MC74ACT244MG? A: The purpose of MC74ACT244MG is to provide buffering and line driving capabilities for digital signals, allowing them to be transmitted over longer distances or to multiple devices.
Q: What voltage levels does MC74ACT244MG support? A: MC74ACT244MG supports TTL (Transistor-Transistor Logic) voltage levels, typically operating at 5V.
Q: How many channels does MC74ACT244MG have? A: MC74ACT244MG has 8 channels, which means it can handle up to 8 separate digital signals simultaneously.
Q: Can MC74ACT244MG be used for bidirectional communication? A: Yes, MC74ACT244MG supports bidirectional communication, allowing data to be transmitted in both directions.
Q: What is the maximum frequency that MC74ACT244MG can handle? A: MC74ACT244MG has a maximum operating frequency of around 100 MHz, making it suitable for high-speed digital applications.
Q: Can MC74ACT244MG drive capacitive loads? A: Yes, MC74ACT244MG is designed to drive capacitive loads, but it's important to ensure that the load capacitance does not exceed the specified limits.
Q: Does MC74ACT244MG have any built-in protection features? A: Yes, MC74ACT244MG has built-in protection against electrostatic discharge (ESD) and excessive power dissipation.
Q: Can MC74ACT244MG be cascaded with other ICs? A: Yes, MC74ACT244MG can be easily cascaded with other similar ICs to expand the number of channels or drive more complex digital systems.
Q: What are some common applications of MC74ACT244MG? A: MC74ACT244MG is commonly used in applications such as data communication, address decoding, bus interfacing, memory systems, and general-purpose digital logic circuits.
Please note that the answers provided here are general and may vary depending on specific datasheet specifications and application requirements.