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Encyclopedia Entry: 74AHC244D,118
Product Overview
Category
The 74AHC244D,118 belongs to the category of integrated circuits (ICs) and specifically falls under the family of logic gates.
Use
This product is commonly used in digital electronics for signal amplification, buffering, and level shifting purposes. It acts as a non-inverting buffer with 3-state outputs.
Characteristics
- High-speed operation
- Wide supply voltage range
- Low power consumption
- Schmitt-trigger action on all inputs
- Balanced propagation delays
- Symmetrical output impedance
Package
The 74AHC244D,118 is available in a standard SOIC (Small Outline Integrated Circuit) package. This package provides ease of handling and compatibility with various circuit board designs.
Essence
The essence of the 74AHC244D,118 lies in its ability to amplify and buffer digital signals while maintaining high-speed operation and low power consumption.
Packaging/Quantity
The 74AHC244D,118 is typically packaged in reels or tubes, containing a specific quantity of ICs per package. The exact packaging and quantity may vary depending on the supplier.
Specifications
- Supply Voltage Range: 2 V to 5.5 V
- Input Voltage Range: 0 V to VCC
- Output Voltage Range: 0 V to VCC
- Operating Temperature Range: -40°C to +125°C
- Maximum Propagation Delay: 8 ns
- Maximum Quiescent Current: 4 μA
Detailed Pin Configuration
The 74AHC244D,118 has a total of 20 pins, which are arranged as follows:
+---\/---+
A1 |1 20| VCC
A2 |2 19| B1
A3 |3 18| B2
A4 |4 17| B3
A5 |5 16| B4
A6 |6 15| B5
A7 |7 14| B6
A8 |8 13| B7
GND |9 12| B8
OE |10 11| Y1
+--------+
Functional Features
- Non-inverting buffer with 3-state outputs
- Schmitt-trigger action on all inputs for improved noise immunity
- Balanced propagation delays ensure synchronized signal transmission
- Symmetrical output impedance allows for easy interfacing with other devices
Advantages and Disadvantages
Advantages
- High-speed operation enables efficient signal processing
- Wide supply voltage range offers flexibility in various applications
- Low power consumption contributes to energy-efficient designs
- Schmitt-trigger action enhances noise immunity, ensuring reliable operation
- Balanced propagation delays enable synchronized data transmission
- Symmetrical output impedance simplifies interfacing with other components
Disadvantages
- Limited number of input/output channels (8 channels in total)
- May not be suitable for applications requiring a large number of logic gates
Working Principles
The 74AHC244D,118 operates based on the principles of digital logic. It amplifies and buffers digital signals using non-inverting circuitry. The Schmitt-trigger action on all inputs ensures improved noise immunity by providing hysteresis.
When an input signal is applied, the IC processes it and produces an amplified and buffered output signal. The 3-state outputs allow for high impedance when disabled, preventing interference with other devices connected to the same bus.
Detailed Application Field Plans
The 74AHC244D,118 finds applications in various fields, including but not limited to:
- Microcontroller interfacing
- Data communication systems
- Industrial automation
- Automotive electronics
- Consumer electronics
In microcontroller interfacing, the IC can be used to level shift and buffer signals between different voltage domains, ensuring proper communication between the microcontroller and other peripheral devices.
Data communication systems benefit from the 74AHC244D,118's high-speed operation and balanced propagation delays, enabling reliable signal transmission in applications such as UART, SPI, or I2C interfaces.
Industrial automation often requires signal amplification and buffering for sensor inputs or control signals. The IC's low power consumption and wide supply voltage range make it suitable for such applications.
Automotive electronics utilize the 74AHC244D,118 for various purposes, including signal conditioning, level shifting, and bus interfacing.
Consumer electronics, such as smartphones, tablets, and gaming consoles, can employ this IC for signal buffering and level shifting between different components within the device.
Detailed and Complete Alternative Models
Some alternative models that offer similar functionality to the 74AHC244D,118 include:
- SN74AHC244N by
Seznam 10 běžných otázek a odpovědí souvisejících s aplikací 74AHC244D,118 v technických řešeních
Sure! Here are 10 common questions and answers related to the application of 74AHC244D,118 in technical solutions:
Q: What is the function of the 74AHC244D,118? A: The 74AHC244D,118 is an octal 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 74AHC244D,118? A: The operating voltage range is typically between 2V and 5.5V.
Q: Can the 74AHC244D,118 be used for level shifting? A: Yes, it can be used for level shifting as it supports both TTL and CMOS logic levels.
Q: How many input/output pins does the 74AHC244D,118 have? A: It has 8 input pins and 8 output pins.
Q: What is the maximum output current that the 74AHC244D,118 can drive? A: The maximum output current is typically around 35mA.
Q: Is the 74AHC244D,118 compatible with other logic families? A: Yes, it is compatible with a wide range of logic families including TTL, CMOS, and LVTTL.
Q: Can the 74AHC244D,118 be used for bidirectional communication? A: No, it is a unidirectional buffer and cannot be used for bidirectional communication without additional circuitry.
Q: What is the propagation delay of the 74AHC244D,118? A: The typical propagation delay is around 6ns.
Q: Can the 74AHC244D,118 be used in high-speed applications? A: Yes, it is suitable for high-speed applications as it has a high-speed CMOS technology.
Q: What is the package type of the 74AHC244D,118? A: The 74AHC244D,118 is available in a standard SOIC-20 package.
Please note that these answers are general and may vary depending on the specific datasheet and manufacturer's specifications for the 74AHC244D,118.