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SN74F244DWR
Product Overview
Category: Integrated Circuit (IC)
Use: The SN74F244DWR is a high-speed octal buffer and line driver designed for general-purpose digital logic applications. It provides eight non-inverting buffers with 3-state outputs, making it suitable for driving bus lines or buffering signals between different logic families.
Characteristics: - High-speed operation - Non-inverting buffers - 3-state outputs - Wide operating voltage range - Low power consumption
Package: SOIC-20 (Small Outline Integrated Circuit), Wide Body
Essence: The SN74F244DWR is an essential component in digital systems where signal buffering and line driving are required. It ensures reliable data transmission and compatibility between different logic levels.
Packaging/Quantity: The SN74F244DWR is typically sold in reels of 2500 units.
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: 6ns (typical)
- Output Current: ±24mA
Detailed Pin Configuration
The SN74F244DWR has a total of 20 pins, which are assigned as follows:
- A1 - Input 1
- Y1 - Output 1
- A2 - Input 2
- Y2 - Output 2
- GND - Ground
- A3 - Input 3
- Y3 - Output 3
- A4 - Input 4
- Y4 - Output 4
- OE - Output Enable
- Y5 - Output 5
- A5 - Input 5
- Y6 - Output 6
- A6 - Input 6
- Y7 - Output 7
- A7 - Input 7
- Y8 - Output 8
- VCC - Power Supply
- GND - Ground
- A8 - Input 8
Functional Features
- High-speed operation: The SN74F244DWR is designed to operate at high speeds, making it suitable for applications that require fast data transmission.
- Non-inverting buffers: The device provides non-inverting buffers, ensuring that the output signal matches the input signal.
- 3-state outputs: The 3-state outputs allow the device to be effectively connected to bus lines, enabling multiple devices to share the same communication lines.
- Wide operating voltage range: The SN74F244DWR can operate within a wide voltage range, providing flexibility in various digital systems.
- Low power consumption: The device consumes low power, contributing to energy efficiency in electronic circuits.
Advantages and Disadvantages
Advantages: - High-speed operation enables efficient data transmission. - Non-inverting buffers maintain signal integrity. - 3-state outputs facilitate bus line sharing. - Wide operating voltage range enhances compatibility. - Low power consumption contributes to energy efficiency.
Disadvantages: - Limited number of buffers (8) may not be sufficient for complex systems requiring more signal buffering.
Working Principles
The SN74F244DWR operates by receiving input signals on its eight input pins (A1-A8). These signals are then buffered and amplified by the internal circuitry. The non-inverting buffers ensure that the output signals (Y1-Y8) match the input signals. The 3-state outputs allow the device to be enabled or disabled, controlling whether the output signals are active or in a high-impedance state.
Detailed Application Field Plans
The SN74F244DWR is commonly used in various digital systems, including but not limited to: - Microprocessor-based systems - Data communication systems - Industrial automation systems - Automotive electronics - Consumer electronics
In microprocessor-based systems, the SN74F244DWR can be used to buffer address and data lines between the microprocessor and memory devices. In data communication systems, it can be employed to drive bus lines and ensure reliable signal transmission. In industrial automation systems, the device can be utilized for interfacing different control modules. In automotive electronics, it can be applied in ECU (Engine Control Unit) designs. In consumer electronics, it can be used for level shifting and buffering signals between different logic families.
Detailed and Complete Alternative Models
- SN74F244NSR: SOIC-20 package, narrow body
- SN74F244DW: SOIC-20 package, wide body
- SN74F244N: DIP-20 (Dual Inline Package)
- SN74F244D:
Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de SN74F244DWR en soluciones técnicas
Sure! Here are 10 common questions and answers related to the application of SN74F244DWR:
Q: What is SN74F244DWR? A: SN74F244DWR is a type of integrated circuit (IC) commonly used as an octal buffer/line driver in technical solutions.
Q: What is the purpose of SN74F244DWR? A: SN74F244DWR is used to amplify and buffer digital signals, allowing them to be transmitted over longer distances or to drive multiple loads.
Q: What is the voltage range supported by SN74F244DWR? A: SN74F244DWR supports a voltage range of 2V to 5.5V.
Q: How many channels does SN74F244DWR have? A: SN74F244DWR has 8 channels, making it suitable for applications that require multiple signal amplification.
Q: What is the maximum output current of SN74F244DWR? A: The maximum output current of SN74F244DWR is typically around 15mA.
Q: Can SN74F244DWR be used with both CMOS and TTL logic levels? A: Yes, SN74F244DWR is compatible with both CMOS and TTL logic levels, making it versatile for various applications.
Q: Does SN74F244DWR have any built-in protection features? A: Yes, SN74F244DWR has built-in electrostatic discharge (ESD) protection to safeguard against static electricity damage.
Q: What is the operating temperature range of SN74F244DWR? A: SN74F244DWR can operate within a temperature range of -40°C to 85°C.
Q: Can SN74F244DWR be used in high-speed applications? A: Yes, SN74F244DWR has a fast propagation delay and can be used in high-speed applications up to several megahertz.
Q: Are there any recommended external components for using SN74F244DWR? A: It is generally recommended to use decoupling capacitors near the power supply pins of SN74F244DWR to ensure stable operation.
Please note that these answers are general and may vary depending on specific application requirements.