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DM74LS273WM
Product Overview
Category
DM74LS273WM belongs to the category of integrated circuits (ICs).
Use
This product is commonly used in digital electronics and computer systems for storing and manipulating data.
Characteristics
- High-speed operation
- Low power consumption
- Wide operating voltage range
- Compatibility with TTL logic levels
Package
DM74LS273WM is available in a 20-pin small outline package (SOP).
Essence
The essence of DM74LS273WM lies in its ability to store and retain data, making it an essential component in various digital applications.
Packaging/Quantity
DM74LS273WM is typically packaged in reels or tubes, with each reel or tube containing a specific quantity of ICs.
Specifications
- Supply Voltage: 4.75V to 5.25V
- Operating Temperature Range: -40°C to +85°C
- Input Voltage High: 2.0V (min), 0.8V (max)
- Input Voltage Low: 0.8V (min), 0.4V (max)
- Output Voltage High: 2.7V (min), 3.4V (max)
- Output Voltage Low: 0.5V (max)
Detailed Pin Configuration
- D0: Data input 0
- D1: Data input 1
- D2: Data input 2
- D3: Data input 3
- D4: Data input 4
- D5: Data input 5
- D6: Data input 6
- D7: Data input 7
- GND: Ground
- Q0: Output 0
- Q1: Output 1
- Q2: Output 2
- Q3: Output 3
- Q4: Output 4
- Q5: Output 5
- Q6: Output 6
- Q7: Output 7
- CLR: Clear input
- CLK: Clock input
- VCC: Power supply
Functional Features
- Data storage and retention
- Parallel data input
- Synchronous operation with clock input
- Clear input for resetting the stored data
Advantages and Disadvantages
Advantages
- High-speed operation allows for efficient data manipulation
- Low power consumption reduces energy usage
- Wide operating voltage range provides flexibility in various applications
- Compatibility with TTL logic levels ensures compatibility with existing systems
Disadvantages
- Limited storage capacity compared to other memory devices
- Susceptible to noise interference due to its high-speed operation
Working Principles
DM74LS273WM operates based on the principles of flip-flops and synchronous logic. It stores data at the rising edge of the clock signal and retains it until a new data input is received or the clear input is activated.
Detailed Application Field Plans
DM74LS273WM finds applications in various digital systems, including: 1. Microcontrollers 2. Data storage devices 3. Arithmetic logic units (ALUs) 4. Register banks 5. Address decoders
Detailed and Complete Alternative Models
Some alternative models to DM74LS273WM include: 1. SN74LS273 2. CD74LS273 3. MC74LS273 4. 74HC273 5. 74HCT273
These alternative models offer similar functionality and can be used as replacements depending on specific requirements.
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Перелічіть 10 типових запитань і відповідей, пов’язаних із застосуванням DM74LS273WM у технічних рішеннях
Sure! Here are 10 common questions and answers related to the application of DM74LS273WM in technical solutions:
Q: What is DM74LS273WM? A: DM74LS273WM is a type of integrated circuit (IC) commonly used as a flip-flop or latch in digital systems.
Q: What is the purpose of using DM74LS273WM in technical solutions? A: DM74LS273WM is used to store and manipulate binary data in digital circuits, making it useful for various applications such as memory storage, data synchronization, and control logic.
Q: How many flip-flops are there in DM74LS273WM? A: DM74LS273WM consists of 8 flip-flops, each capable of storing one bit of information.
Q: What is the maximum clock frequency supported by DM74LS273WM? A: The maximum clock frequency supported by DM74LS273WM is typically around 25 MHz.
Q: Can DM74LS273WM be used in both synchronous and asynchronous modes? A: Yes, DM74LS273WM can be used in both synchronous and asynchronous modes depending on the application requirements.
Q: What is the power supply voltage range for DM74LS273WM? A: The power supply voltage range for DM74LS273WM is usually between 4.75V and 5.25V.
Q: Does DM74LS273WM have any built-in output buffers? A: No, DM74LS273WM does not have built-in output buffers. External buffers may be required to drive heavy loads.
Q: Can DM74LS273WM operate at high temperatures? A: DM74LS273WM has a recommended operating temperature range of 0°C to 70°C. However, it can withstand higher temperatures for short durations.
Q: What is the pin configuration of DM74LS273WM? A: DM74LS273WM has 20 pins, including inputs (D0-D7), outputs (Q0-Q7), clock input (CLK), and other control pins.
Q: Are there any specific precautions to consider when using DM74LS273WM? A: Yes, some precautions include proper decoupling capacitors near the power supply pins, avoiding excessive input voltage levels, and ensuring correct power sequencing during startup.
Please note that the answers provided here are general and may vary depending on the specific datasheet and manufacturer's recommendations for DM74LS273WM.