CD74ACT280M
- Created at: 2023-10-28 02:28:45 , by WikiIC
- Updated at: 2023-10-28 02:28:45
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CD74ACT280M
Product Overview
Category
CD74ACT280M belongs to the category of integrated circuits (ICs).
Use
This IC is commonly used in digital systems for arithmetic and logic operations.
Characteristics
- CD74ACT280M is a 9-bit magnitude comparator.
- It operates on a supply voltage range of 4.5V to 5.5V.
- The IC has a low power consumption and high-speed operation.
- It is designed to be compatible with TTL (Transistor-Transistor Logic) inputs.
Package
CD74ACT280M is available in a standard 20-pin SOIC (Small Outline Integrated Circuit) package.
Essence
The essence of CD74ACT280M lies in its ability to compare two 9-bit binary numbers and determine their relative magnitudes.
Packaging/Quantity
The IC is typically sold in reels or tubes, with each reel or tube containing a specific quantity of CD74ACT280M ICs.
Specifications
- Supply Voltage Range: 4.5V to 5.5V
- Input Voltage Range: 0V to VCC
- Operating Temperature Range: -40°C to +85°C
- Output Current: ±24mA
- Propagation Delay: 6ns (typical)
- Power Dissipation: 500mW (max)
Detailed Pin Configuration
- A0: Input A, bit 0
- A1: Input A, bit 1
- A2: Input A, bit 2
- A3: Input A, bit 3
- A4: Input A, bit 4
- A5: Input A, bit 5
- A6: Input A, bit 6
- A7: Input A, bit 7
- A8: Input A, bit 8
- B0: Input B, bit 0
- B1: Input B, bit 1
- B2: Input B, bit 2
- B3: Input B, bit 3
- B4: Input B, bit 4
- B5: Input B, bit 5
- B6: Input B, bit 6
- B7: Input B, bit 7
- B8: Input B, bit 8
- GND: Ground
- VCC: Supply Voltage
Functional Features
- CD74ACT280M compares two 9-bit binary numbers (A and B) and determines their relative magnitudes.
- It has three outputs: EQ (Equal), GT (Greater Than), and LT (Less Than).
- The EQ output is high when A and B are equal, and low otherwise.
- The GT output is high when A is greater than B, and low otherwise.
- The LT output is high when A is less than B, and low otherwise.
Advantages and Disadvantages
Advantages
- High-speed operation allows for efficient processing of digital signals.
- Low power consumption helps in reducing overall system energy requirements.
- Compatibility with TTL inputs ensures easy integration into existing systems.
Disadvantages
- Limited to comparing 9-bit binary numbers, which may not be sufficient for certain applications requiring larger data sizes.
- Availability of alternative models with additional features or improved specifications may limit its competitiveness in the market.
Working Principles
CD74ACT280M works by comparing each corresponding bit of the two input numbers (A and B). It starts from the most significant bit (bit 8) and proceeds towards the least significant bit (bit 0). By analyzing the states of these bits, the IC determines the relative magnitudes of A and B.
Detailed Application Field Plans
CD74ACT280M finds applications in various digital systems where comparison of 9-bit binary numbers is required. Some potential application fields include: - Microcontrollers - Digital signal processors - Arithmetic logic units (ALUs) - Data processing units - Communication systems
Detailed and Complete Alternative Models
- CD74ACT280E: Similar to CD74ACT280M, but operates on a wider supply voltage range of 2V to 6V.
- CD74ACT280N: Provides the same functionality as CD74ACT280M, but comes in a DIP (Dual Inline Package) format.
- CD74ACT280PWR: Surface mount version of CD74ACT280M, available in a smaller TSSOP (Thin Shrink Small Outline Package) package.
These alternative models offer similar features and can be used as substitutes for CD74ACT280M depending on specific requirements.
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List 10 common questions and answers related to the application of CD74ACT280M in technical solutions
Sure! Here are 10 common questions and answers related to the application of CD74ACT280M in technical solutions:
Q: What is CD74ACT280M? A: CD74ACT280M is a 9-bit parity generator/checker integrated circuit (IC) that can be used in various digital systems.
Q: What is the purpose of CD74ACT280M? A: The purpose of CD74ACT280M is to generate or check parity for data integrity in digital systems.
Q: How does CD74ACT280M generate parity? A: CD74ACT280M generates parity by examining the input data bits and producing an output bit that represents the parity of the input bits.
Q: Can CD74ACT280M handle multiple data inputs? A: Yes, CD74ACT280M has nine data inputs (D0-D8) that can be used to generate or check parity for multiple data bits.
Q: What is the power supply voltage range for CD74ACT280M? A: CD74ACT280M operates with a power supply voltage range of 4.5V to 5.5V.
Q: What is the maximum operating frequency of CD74ACT280M? A: CD74ACT280M can operate at a maximum frequency of 125 MHz.
Q: Does CD74ACT280M have built-in error detection capabilities? A: Yes, CD74ACT280M can detect single-bit errors in the input data and indicate the presence of an error through its output pin.
Q: Can CD74ACT280M correct errors in the input data? A: No, CD74ACT280M can only detect errors but cannot correct them. It is primarily used for error detection purposes.
Q: What is the output format of CD74ACT280M? A: The output of CD74ACT280M is a single parity bit that represents the parity of the input data bits.
Q: Can CD74ACT280M be cascaded to handle larger data widths? A: Yes, multiple CD74ACT280M ICs can be cascaded together to handle larger data widths by connecting the output of one IC to the input of another.
Please note that these answers are general and may vary depending on the specific implementation and usage of CD74ACT280M in different technical solutions.
- https://chipmlcc.ru/product/details/texas-instruments/cd74act280m.html [PDF download, circuit diagram, pin configuration, detailed specifications, and more electronic component spot channels.]
- https://www.chipmlcc.com/product/details/texas-instruments/cd74act280m.html [PDF download, circuit diagram, pin configuration, detailed specifications, and more electronic component spot channels.]
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