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74LVT2244PW,112
Basic Information Overview
- Category: Integrated Circuit (IC)
- Use: Buffer/Line Driver
- Characteristics: Low Voltage, High-Speed, Tri-State Outputs
- Package: TSSOP (Thin Shrink Small Outline Package)
- Essence: Logic Level Translator
- Packaging/Quantity: Tape and Reel, 2500 pieces per reel
Specifications
- Supply Voltage Range: 1.2V to 3.6V
- Input Voltage Range: -0.5V to VCC + 0.5V
- Output Voltage Range: 0V to VCC
- Operating Temperature Range: -40°C to +85°C
- Propagation Delay Time: 3.8ns (typical)
- Maximum Quiescent Current: 10μA
Detailed Pin Configuration
The 74LVT2244PW,112 IC has a total of 20 pins arranged as follows:
___________
| |
1 | 20 | VCC
2 | 19 | A1
3 | 18 | OE#
4 | 17 | Y1
5 | 16 | GND
6 | 15 | Y2
7 | 14 | A2
8 | 13 | Y3
9 | 12 | OE#
10 | 11 | Y4
|___________|
Functional Features
- Logic level translation between different voltage domains.
- Tri-state outputs allow for bus sharing and bidirectional communication.
- High-speed operation suitable for data transmission applications.
- Low voltage operation makes it compatible with modern low-power systems.
- ESD protection on all inputs and outputs for enhanced reliability.
Advantages and Disadvantages
Advantages: - Enables interfacing between devices operating at different voltage levels. - Supports bidirectional communication with tri-state outputs. - High-speed operation allows for efficient data transfer. - Low voltage operation reduces power consumption.
Disadvantages: - Limited number of input/output channels (4 in this case). - May require additional components for level shifting in complex systems.
Working Principles
The 74LVT2244PW,112 is a logic level translator that facilitates communication between devices operating at different voltage levels. It uses a combination of CMOS and TTL technologies to achieve high-speed operation while maintaining low power consumption. The IC features four bidirectional buffers with tri-state outputs, allowing multiple devices to share a common bus. The inputs are compatible with both CMOS and TTL voltage levels, making it versatile for various applications.
Detailed Application Field Plans
The 74LVT2244PW,112 is commonly used in the following application fields: 1. Microcontroller interfacing: It enables communication between microcontrollers operating at different voltage levels, facilitating seamless integration into larger systems. 2. Data transmission systems: The high-speed operation and bidirectional capabilities make it suitable for use in data buses, ensuring reliable and efficient data transfer. 3. Industrial automation: The IC can be utilized in industrial control systems where different voltage domains need to communicate with each other.
Detailed and Complete Alternative Models
Some alternative models that serve similar functions to the 74LVT2244PW,112 include: - SN74LVC244A: This IC offers similar characteristics and functionality but comes in a different package (SOIC) and may have slightly different specifications. - 74HCT244: While not specifically designed for level translation, it can be used as an alternative in certain cases where the voltage levels are compatible.
(Note: The alternative models mentioned above are just examples and not an exhaustive list.)
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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací 74LVT2244PW,112 v technických řešeních
Sure! Here are 10 common questions and answers related to the application of 74LVT2244PW,112 in technical solutions:
Q: What is the function of the 74LVT2244PW,112? A: The 74LVT2244PW,112 is an octal buffer/line driver with 3-state outputs.
Q: What is the voltage supply range for the 74LVT2244PW,112? A: The voltage supply range is typically between 2.7V and 3.6V.
Q: How many inputs and outputs does the 74LVT2244PW,112 have? A: It has 8 inputs and 8 outputs.
Q: What is the maximum output current of the 74LVT2244PW,112? A: The maximum output current is typically 12mA.
Q: Can the 74LVT2244PW,112 be used for level shifting between different voltage domains? A: Yes, it can be used for level shifting as long as the voltage levels are within its specified range.
Q: Does the 74LVT2244PW,112 have internal pull-up or pull-down resistors? A: No, it does not have internal pull-up or pull-down resistors.
Q: Is the 74LVT2244PW,112 compatible with TTL logic levels? A: Yes, it is compatible with both TTL and CMOS logic levels.
Q: What is the propagation delay of the 74LVT2244PW,112? A: The propagation delay is typically around 3.5ns.
Q: Can the 74LVT2244PW,112 be used in high-speed applications? A: Yes, it is designed for high-speed operation and can be used in such applications.
Q: Does the 74LVT2244PW,112 have any built-in ESD protection? A: Yes, it has built-in ESD protection to prevent damage from electrostatic discharge.
Please note that these answers are general and may vary depending on the specific datasheet and manufacturer's specifications of the 74LVT2244PW,112.