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SN74ABT240ADWR
Product Overview
- Category: Integrated Circuit (IC)
- Use: Buffer/Line Driver
- Characteristics: High-speed, low-power, non-inverting
- Package: SOIC (Small Outline Integrated Circuit)
- Essence: Logic gate with 8-bit buffer/driver functionality
- Packaging/Quantity: Tape and Reel, 2500 units per reel
Specifications
- Supply Voltage Range: 4.5V to 5.5V
- Input Voltage Range: 0V to VCC
- Output Voltage Range: 0V to VCC
- Operating Temperature Range: -40°C to +85°C
- Propagation Delay Time: 3.5ns (typical)
- Output Current: ±24mA
- Input Capacitance: 4pF (typical)
Detailed Pin Configuration
The SN74ABT240ADWR has a total of 20 pins, which are arranged as follows:
- A1 - Input pin for data bit 1
- Y1 - Output pin for data bit 1
- A2 - Input pin for data bit 2
- Y2 - Output pin for data bit 2
- A3 - Input pin for data bit 3
- Y3 - Output pin for data bit 3
- A4 - Input pin for data bit 4
- Y4 - Output pin for data bit 4
- GND - Ground pin
- Y5 - Output pin for data bit 5
- A5 - Input pin for data bit 5
- Y6 - Output pin for data bit 6
- A6 - Input pin for data bit 6
- Y7 - Output pin for data bit 7
- A7 - Input pin for data bit 7
- Y8 - Output pin for data bit 8
- A8 - Input pin for data bit 8
- OE - Output Enable pin
- VCC - Power supply pin
- GND - Ground pin
Functional Features
- Non-inverting buffer/driver functionality
- High-speed operation
- Low-power consumption
- 3-state outputs for bus-oriented applications
- TTL (Transistor-Transistor Logic) compatible inputs and outputs
- ESD (Electrostatic Discharge) protection on all pins
Advantages and Disadvantages
Advantages: - High-speed operation allows for efficient data transfer - Low-power consumption helps in reducing overall system power requirements - 3-state outputs enable easy interfacing with other devices - ESD protection ensures reliability and durability
Disadvantages: - Limited voltage range (4.5V to 5.5V) - Not suitable for applications requiring higher output currents
Working Principles
The SN74ABT240ADWR is a non-inverting buffer/driver IC that amplifies and transfers digital signals. It operates by receiving input signals on the A1-A8 pins and providing amplified output signals on the corresponding Y1-Y8 pins. The OE pin controls the output enable/disable function, allowing the device to be put into a high-impedance state when not in use.
Detailed Application Field Plans
The SN74ABT240ADWR is commonly used in various applications, including:
- Data communication systems
- Microprocessor-based systems
- Memory address drivers
- Clock distribution networks
- Bus-oriented systems
Detailed and Complete Alternative Models
Some alternative models that offer similar functionality to the SN74ABT240ADWR are:
- SN74ABT244A: Octal buffer/line driver with 3-state outputs
- SN74ABT16245A: 16-bit bus transceiver with 3-state outputs
- SN74ABT573A: Octal transparent latch with 3-state outputs
These alternative models can be considered based on specific application requirements and compatibility with existing systems.
Word count: 430 words
Seznam 10 běžných otázek a odpovědí souvisejících s aplikací SN74ABT240ADWR v technických řešeních
Sure! Here are 10 common questions and answers related to the application of SN74ABT240ADWR:
Q: What is SN74ABT240ADWR? A: SN74ABT240ADWR is a specific type of integrated circuit (IC) known as a octal buffer/line driver with 3-state outputs.
Q: What is the purpose of SN74ABT240ADWR? A: SN74ABT240ADWR is used to provide buffering and line driving capabilities in digital circuits, allowing for signal amplification and isolation.
Q: What voltage levels does SN74ABT240ADWR support? A: SN74ABT240ADWR supports a wide range of voltage levels, typically between 2V and 5.5V.
Q: How many inputs and outputs does SN74ABT240ADWR have? A: SN74ABT240ADWR has 8 inputs and 8 outputs, making it suitable for applications that require multiple signal lines.
Q: Can SN74ABT240ADWR handle bidirectional signals? A: No, SN74ABT240ADWR is a unidirectional buffer and cannot handle bidirectional signals. For bidirectional communication, a different IC should be used.
Q: What is the maximum current that SN74ABT240ADWR can drive? A: SN74ABT240ADWR can typically drive up to 24mA of current per output pin.
Q: Does SN74ABT240ADWR have any built-in protection features? A: Yes, SN74ABT240ADWR has built-in ESD (electrostatic discharge) protection on its inputs and outputs, providing some level of protection against static electricity.
Q: Can SN74ABT240ADWR be used in high-speed applications? A: Yes, SN74ABT240ADWR is designed to operate at high speeds and can handle frequencies up to several hundred megahertz.
Q: Is SN74ABT240ADWR compatible with other logic families? A: Yes, SN74ABT240ADWR is compatible with a wide range of logic families, including TTL, CMOS, and LVTTL.
Q: Are there any specific layout considerations for using SN74ABT240ADWR? A: Yes, it is recommended to follow the manufacturer's guidelines for proper decoupling, signal routing, and grounding techniques to ensure optimal performance and reliability.
Please note that these answers are general and may vary depending on the specific application and requirements. It is always advisable to consult the datasheet and technical documentation for accurate information.