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74LVT2244PW,118
Basic Information Overview
- Category: Integrated Circuit (IC)
- Use: Buffer/Driver
- Characteristics: Low Voltage, High-Speed, 3-State Outputs
- Package: TSSOP (Thin Shrink Small Outline Package)
- Essence: Logic Level Translator
- Packaging/Quantity: Tape and Reel, 2500 units per reel
Specifications
- Supply Voltage Range: 1.2V to 3.6V
- Input Voltage Range: 0V to VCC
- Output Voltage Range: 0V to VCC
- Maximum Operating Frequency: 200MHz
- Number of Channels: 8
- Output Current: ±24mA
- Propagation Delay Time: 2.5ns (Max)
Detailed Pin Configuration
The 74LVT2244PW,118 IC has a total of 20 pins, which are arranged as follows:
+--\/--+
OE1 |1 20| VCC
A1 |2 19| B1
A2 |3 18| B2
A3 |4 17| B3
A4 |5 16| B4
GND |6 15| B5
Y1 |7 14| B6
Y2 |8 13| B7
Y3 |9 12| B8
OE2 |10 11| GND
+------+
Functional Features
- Logic Level Translation: The 74LVT2244PW,118 is designed to translate signals between different voltage levels, making it suitable for interfacing between devices operating at different voltages.
- 3-State Outputs: The IC features 3-state outputs, allowing the outputs to be disabled or put into a high-impedance state when not in use.
- High-Speed Operation: With a maximum operating frequency of 200MHz, this IC enables fast data transmission.
Advantages and Disadvantages
Advantages: - Wide supply voltage range allows compatibility with various systems. - Low power consumption. - High-speed operation facilitates efficient data transfer. - 3-state outputs provide flexibility in signal routing.
Disadvantages: - Limited output current may restrict its use in certain applications requiring higher drive capabilities. - Not suitable for high-voltage applications.
Working Principles
The 74LVT2244PW,118 is based on CMOS (Complementary Metal-Oxide-Semiconductor) technology. It utilizes a combination of MOSFETs (Metal-Oxide-Semiconductor Field-Effect Transistors) to perform logic level translation. When an input signal is received, the IC internally converts it to the desired output voltage level based on the supply voltage and the logic levels of the input and output signals.
Detailed Application Field Plans
The 74LVT2244PW,118 can be used in various applications, including but not limited to: - Interfacing between microcontrollers operating at different voltage levels. - Level shifting in communication interfaces such as UART, SPI, and I2C. - Signal buffering and driving in digital systems.
Detailed and Complete Alternative Models
Some alternative models that offer similar functionality to the 74LVT2244PW,118 are: - SN74LVC244A: This IC also provides 3-state outputs and operates at a wide supply voltage range. - MC74LVX244: Another logic level translator with 3-state outputs, suitable for low-voltage applications. - 74HC244: A popular choice for general-purpose buffer/driver applications, offering high-speed operation.
Note: The above alternative models are provided for reference and may have slight differences in specifications and pin configuration. It is recommended to consult the respective datasheets for detailed information.
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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací 74LVT2244PW,118 v technických řešeních
Sure! Here are 10 common questions and answers related to the application of 74LVT2244PW,118:
Q: What is the 74LVT2244PW,118? A: The 74LVT2244PW,118 is a low voltage octal buffer/line driver with 3-state outputs.
Q: What is the operating voltage range for the 74LVT2244PW,118? A: The operating voltage range is typically between 2.7V and 3.6V.
Q: How many inputs and outputs does the 74LVT2244PW,118 have? A: It has 8 inputs and 8 outputs.
Q: What is the maximum output current that the 74LVT2244PW,118 can drive? A: The maximum output current is typically 12mA.
Q: Can the 74LVT2244PW,118 be used in bidirectional applications? A: No, it is a unidirectional buffer and cannot be used for bidirectional communication.
Q: What is the purpose of the 3-state outputs on the 74LVT2244PW,118? A: The 3-state outputs allow the device to be effectively disconnected from the bus, enabling multiple devices to share the same bus without interference.
Q: What is the propagation delay of the 74LVT2244PW,118? A: The propagation delay is typically around 3.5ns.
Q: Can the 74LVT2244PW,118 be used in high-speed applications? A: Yes, it is designed for high-speed operation and can be used in applications with fast switching requirements.
Q: Is the 74LVT2244PW,118 compatible with TTL logic levels? A: Yes, it is designed to be compatible with both TTL and CMOS logic levels.
Q: What is the package type for the 74LVT2244PW,118? A: It is available in a TSSOP-20 package.