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74AHC125D,112
Product Overview
Category
The 74AHC125D,112 belongs to the category of integrated circuits (ICs).
Use
This IC is commonly used as a quad buffer/line driver with 3-state outputs.
Characteristics
- Quad buffer/line driver
- 3-state outputs
- High-speed CMOS technology
- Wide operating voltage range: 2 V to 5.5 V
- Low power consumption
- Schmitt-trigger action on all inputs
Package
The 74AHC125D,112 is available in a small outline package (SO) with 14 pins.
Essence
The essence of this product lies in its ability to provide buffering and line driving capabilities for digital signals, while also offering 3-state outputs for bus-oriented applications.
Packaging/Quantity
The 74AHC125D,112 is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.
Specifications
- Supply voltage range: 2 V to 5.5 V
- Input voltage range: -0.5 V to VCC + 0.5 V
- Output voltage range: 0 V to VCC
- Operating temperature range: -40°C to +125°C
- Propagation delay: 6 ns (typical)
- Output current: ±8 mA
Detailed Pin Configuration
The 74AHC125D,112 has a total of 14 pins, which are assigned specific functions as follows:
- 1OE - Output Enable Input for Channel 1
- 1A - Data Input for Channel 1
- 1Y - Buffered Output for Channel 1
- GND - Ground
- 2Y - Buffered Output for Channel 2
- 2A - Data Input for Channel 2
- 2OE - Output Enable Input for Channel 2
- VCC - Positive Power Supply
- 3OE - Output Enable Input for Channel 3
- 3A - Data Input for Channel 3
- 3Y - Buffered Output for Channel 3
- NC - No Connection
- 4Y - Buffered Output for Channel 4
- 4A - Data Input for Channel 4
Functional Features
- Quad buffer/line driver: The IC can handle four independent data lines simultaneously.
- 3-state outputs: The outputs can be put into a high-impedance state, allowing multiple devices to share the same bus without interference.
- High-speed CMOS technology: Enables fast switching and data transmission.
- Schmitt-trigger action on all inputs: Provides hysteresis and improves noise immunity.
Advantages and Disadvantages
Advantages
- Wide operating voltage range allows compatibility with various systems.
- Low power consumption helps conserve energy.
- Schmitt-trigger action enhances noise immunity.
- 3-state outputs facilitate bus-oriented applications.
Disadvantages
- Limited output current may restrict use in certain high-current applications.
- Propagation delay of 6 ns may not be suitable for extremely time-critical operations.
Working Principles
The 74AHC125D,112 operates by receiving digital input signals through its data input pins (1A, 2A, 3A, 4A). These signals are then buffered and amplified before being transmitted to the corresponding buffered output pins (1Y, 2Y, 3Y, 4Y). The output enable pins (1OE, 2OE, 3OE) control the activation of the respective outputs. When an output is disabled, it enters a high-impedance state, allowing other devices to drive the bus.
Detailed Application Field Plans
The 74AHC125D,112 finds applications in various fields, including:
- Microcontroller-based systems
- Data communication systems
- Industrial automation
- Automotive electronics
- Consumer electronics
Detailed and Complete Alternative Models
Some alternative models that offer similar functionality to the 74AHC125D,112 include:
- SN74LVC125A: Quad buffer/line driver with 3-state outputs, operating voltage range of 1.65 V to 5.5 V.
- MC74VHC125: Quad buffer/line driver with 3-state outputs, operating voltage range of 2 V to 5.5 V.
- CD74HCT125E: Quad buffer/line driver with 3-state outputs, operating voltage range of 4.5 V to 5.5 V.
These alternative models can be considered based on specific requirements and compatibility with existing systems.
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Énumérez 10 questions et réponses courantes liées à l'application de 74AHC125D,112 dans les solutions techniques
Sure! Here are 10 common questions and answers related to the application of 74AHC125D,112 in technical solutions:
Q: What is the function of the 74AHC125D,112? A: The 74AHC125D,112 is a quad buffer/line driver with 3-state outputs. It is used to amplify and buffer digital signals.
Q: What is the operating voltage range for the 74AHC125D,112? A: The operating voltage range for the 74AHC125D,112 is typically between 2V and 5.5V.
Q: Can the 74AHC125D,112 be used for level shifting? A: Yes, the 74AHC125D,112 can be used for level shifting as it supports both TTL and CMOS logic levels.
Q: How many channels does the 74AHC125D,112 have? A: The 74AHC125D,112 has four independent channels, each with its own input and output.
Q: What is the maximum output current of the 74AHC125D,112? A: The maximum output current per channel of the 74AHC125D,112 is typically 8mA.
Q: Can the 74AHC125D,112 drive capacitive loads? A: Yes, the 74AHC125D,112 can drive capacitive loads up to a certain limit. However, it is recommended to use external series resistors for better stability.
Q: Is the 74AHC125D,112 suitable for high-speed applications? A: Yes, the 74AHC125D,112 is designed for high-speed operation and can be used in applications with fast switching requirements.
Q: What is the propagation delay of the 74AHC125D,112? A: The typical propagation delay of the 74AHC125D,112 is around 6 ns.
Q: Can the 74AHC125D,112 be used in automotive applications? A: Yes, the 74AHC125D,112 is qualified for automotive applications and can operate within the specified temperature range.
Q: Are there any special considerations when using the 74AHC125D,112 in a mixed-voltage system? A: Yes, it is important to ensure that the voltage levels of the inputs and outputs are compatible with the logic levels of the system. Level shifters or voltage translators may be required in such cases.
Please note that the answers provided here are general and may vary depending on the specific datasheet and application requirements.