SN74AS825ADWR
Product Overview
- Category: Integrated Circuit (IC)
- Use: Logic Gate
- Characteristics: High-speed, low-power, 8-bit shift register with output storage
- Package: SOIC (Small Outline Integrated Circuit)
- Essence: Serial-in, parallel-out shift register with asynchronous reset and output enable
- Packaging/Quantity: Tape and Reel, 2500 units per reel
Specifications
- Supply Voltage Range: 4.5V to 5.5V
- Input Voltage Range: 0V to VCC
- Output Voltage Range: 0V to VCC
- Operating Temperature Range: -40°C to +85°C
- Maximum Clock Frequency: 25 MHz
- Number of Shift Register Stages: 8
- Output Drive Capability: ±24 mA
- Propagation Delay Time: 10 ns (typical)
Detailed Pin Configuration
- SER (Serial Data Input)
- CLK (Clock Input)
- RCLK (Register Clock Input)
- SRCLR (Shift Register Clear Input)
- OE (Output Enable Input)
- QA-QH (Parallel Outputs)
- GND (Ground)
- VCC (Supply Voltage)
Functional Features
- Serial data is input through the SER pin and shifted into the shift register on each rising edge of the CLK signal.
- The RCLK signal transfers the parallel data from the shift register to the output latch.
- The SRCLR input asynchronously clears the shift register when held low.
- The OE input enables or disables the outputs.
- The device operates at high speed and consumes low power.
Advantages and Disadvantages
Advantages: - High-speed operation allows for efficient data processing. - Low-power consumption reduces energy requirements. - Compact SOIC package offers space-saving integration. - Asynchronous reset provides flexibility in control.
Disadvantages: - Limited number of shift register stages (8 in this case). - Output drive capability may not be sufficient for certain applications. - Operating temperature range may restrict usage in extreme environments.
Working Principles
The SN74AS825ADWR is an 8-bit shift register with output storage. It receives serial data through the SER pin and shifts it into the shift register on each rising edge of the CLK signal. The RCLK signal transfers the parallel data from the shift register to the output latch, which can then be accessed through the QA-QH pins. The SRCLR input asynchronously clears the shift register when held low. The OE input enables or disables the outputs. The device operates at high speed and consumes low power.
Detailed Application Field Plans
The SN74AS825ADWR is commonly used in various digital systems and applications, including but not limited to: - Data communication systems - Serial-to-parallel data conversion - Shift register-based data storage - Control and timing circuits - Address decoding and multiplexing
Detailed and Complete Alternative Models
- SN74LS165N: 8-bit parallel-in/serial-out shift register
- CD4015BE: Dual 4-stage static shift register
- 74HC595: 8-bit serial-in/serial or parallel-out shift register
- CD4021BE: 8-bit parallel-in/serial-out shift register
- SN54HC164J: 8-bit serial-in/parallel-out shift register
These alternative models offer similar functionality to the SN74AS825ADWR and can be considered as substitutes based on specific requirements and compatibility with the existing system.
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10個與SN74AS825ADWR在技術方案中應用相關的常見問題與解答
Sure! Here are 10 common questions and answers related to the application of SN74AS825ADWR in technical solutions:
Q: What is SN74AS825ADWR? A: SN74AS825ADWR is a specific model of integrated circuit (IC) that belongs to the 74AS family of logic devices.
Q: What is the function of SN74AS825ADWR? A: SN74AS825ADWR is a quad 4-input NOR gate with an output enable input. It performs logical operations on multiple inputs and provides a single output based on the specified logic function.
Q: What voltage levels does SN74AS825ADWR support? A: SN74AS825ADWR operates at a supply voltage range of 4.5V to 5.5V.
Q: How many inputs does SN74AS825ADWR have? A: SN74AS825ADWR has four independent inputs, allowing you to connect up to four different signals or logic levels.
Q: Can SN74AS825ADWR be used for both digital and analog applications? A: No, SN74AS825ADWR is specifically designed for digital applications and should not be used for analog purposes.
Q: What is the maximum frequency at which SN74AS825ADWR can operate? A: SN74AS825ADWR has a maximum operating frequency of typically 125 MHz.
Q: Does SN74AS825ADWR have any built-in protection features? A: SN74AS825ADWR does not have built-in protection features like overvoltage or overcurrent protection. External measures may be required to ensure proper operation.
Q: Can SN74AS825ADWR be used in high-temperature environments? A: SN74AS825ADWR has a specified operating temperature range of -40°C to 85°C, making it suitable for a wide range of applications.
Q: What is the package type of SN74AS825ADWR? A: SN74AS825ADWR comes in a surface-mount SOIC-16 package, which is commonly used in many electronic systems.
Q: Are there any application notes or reference designs available for SN74AS825ADWR? A: Yes, Texas Instruments, the manufacturer of SN74AS825ADWR, provides application notes and reference designs that can help you understand and implement the IC in your technical solutions.
Please note that these answers are general and may vary depending on specific requirements and use cases. It's always recommended to refer to the datasheet and consult with the manufacturer for detailed information.