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74LV244PW,118
Basic Information Overview
- Category: Integrated Circuit (IC)
- Use: Buffer/Line Driver
- Characteristics: Low-voltage, Octal Bus Buffer with 3-State Outputs
- Package: TSSOP (Thin Shrink Small Outline Package)
- Essence: The 74LV244PW,118 is a high-performance buffer IC designed for low-voltage applications. It provides eight non-inverting buffers with 3-state outputs, making it suitable for various digital logic and signal buffering tasks.
- Packaging/Quantity: The 74LV244PW,118 is typically available in tape and reel packaging, with a quantity of 2500 units per reel.
Specifications
- Supply Voltage Range: 1.65V to 5.5V
- High-Level Input Voltage: 2V (minimum), VCC (maximum)
- Low-Level Input Voltage: GND (minimum), 0.8V (maximum)
- High-Level Output Voltage: VCC - 0.6V (minimum), VCC (maximum)
- Low-Level Output Voltage: 0.1V (minimum), 0.4V (maximum)
- Maximum Operating Frequency: 30MHz
- Propagation Delay Time: 7ns (typical)
- Operating Temperature Range: -40°C to +125°C
Detailed Pin Configuration
The 74LV244PW,118 has a total of 20 pins, which are assigned as follows:
- Pin 1: Output Enable (OE) 1
- Pin 2: Input/Output (I/O) 1
- Pin 3: I/O 2
- Pin 4: Ground (GND)
- Pin 5: I/O 3
- Pin 6: I/O 4
- Pin 7: I/O 5
- Pin 8: VCC (Positive Power Supply)
- Pin 9: I/O 6
- Pin 10: I/O 7
- Pin 11: I/O 8
- Pin 12: Output Enable (OE) 2
- Pin 13: I/O 9
- Pin 14: I/O 10
- Pin 15: I/O 11
- Pin 16: I/O 12
- Pin 17: I/O 13
- Pin 18: I/O 14
- Pin 19: I/O 15
- Pin 20: I/O 16
Functional Features
- Non-inverting buffer with 3-state outputs.
- Provides high-speed operation suitable for low-voltage applications.
- Allows bidirectional data flow.
- Supports voltage translation between different logic levels.
- Enables efficient interfacing between devices operating at different voltage levels.
Advantages and Disadvantages
Advantages: - Low-voltage operation allows compatibility with a wide range of systems. - High-speed performance enables rapid data transfer. - 3-state outputs provide flexibility in controlling bus lines. - Bidirectional data flow simplifies system design.
Disadvantages: - Limited maximum operating frequency compared to some other buffer ICs. - TSSOP package may require careful handling during assembly.
Working Principles
The 74LV244PW,118 operates by receiving input signals on its I/O pins and buffering them to the corresponding output pins. The non-inverting nature of the buffers ensures that the output signal matches the input signal. The 3-state outputs allow the buffers to be enabled or disabled, effectively disconnecting them from the bus lines when not needed. This feature prevents conflicts and allows multiple devices to share the same bus.
Detailed Application Field Plans
The 74LV244PW,118 is commonly used in various digital systems and applications, including: - Microcontrollers and microprocessors - Memory interfaces - Data communication systems - Industrial automation - Automotive electronics - Consumer electronics
Detailed and Complete Alternative Models
Some alternative models that can be considered as alternatives to the 74LV244PW,118 include: - SN74LV244A: Similar octal buffer IC with 3-state outputs from Texas Instruments. - MC74LVX244: Octal buffer IC with 3-state outputs from ON Semiconductor. - CD74HCT244: Octal buffer IC with 3-state outputs from Texas Instruments.
These alternative models offer similar functionality and can be used as drop-in replacements in many applications.
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Maglista ng 10 karaniwang tanong at sagot na nauugnay sa aplikasyon ng 74LV244PW,118 sa mga teknikal na solusyon
Sure! Here are 10 common questions and answers related to the application of 74LV244PW,118 in technical solutions:
Q: What is the 74LV244PW,118? A: The 74LV244PW,118 is a octal buffer/line driver with 3-state outputs, commonly used in digital logic circuits.
Q: What is the operating voltage range for the 74LV244PW,118? A: The operating voltage range for the 74LV244PW,118 is typically between 1.65V and 5.5V.
Q: How many inputs and outputs does the 74LV244PW,118 have? A: The 74LV244PW,118 has 8 inputs and 8 outputs.
Q: Can the 74LV244PW,118 be used as a level shifter? A: Yes, the 74LV244PW,118 can be used as a level shifter to convert signals between different voltage levels.
Q: What is the maximum output current that the 74LV244PW,118 can drive? A: The 74LV244PW,118 can typically drive up to 24mA of output current.
Q: Is the 74LV244PW,118 compatible with TTL logic levels? A: Yes, the 74LV244PW,118 is compatible with TTL logic levels, making it suitable for interfacing with TTL devices.
Q: Can the 74LV244PW,118 be used in bidirectional data transfer applications? A: No, the 74LV244PW,118 is a unidirectional buffer and cannot be used for bidirectional data transfer.
Q: What is the propagation delay of the 74LV244PW,118? A: The propagation delay of the 74LV244PW,118 is typically around 5ns.
Q: Can the 74LV244PW,118 be used in high-speed applications? A: Yes, the 74LV244PW,118 is designed for high-speed operation and can be used in applications with fast switching requirements.
Q: Are there any special considerations for PCB layout when using the 74LV244PW,118? A: It is recommended to follow proper PCB layout guidelines, such as minimizing trace lengths and providing decoupling capacitors, to ensure optimal performance of the 74LV244PW,118.
Please note that these answers are general and may vary depending on specific datasheet specifications and application requirements.