Encyclopedia Entry: 74F821SCX
Product Overview
Category
The 74F821SCX belongs to the category of integrated circuits (ICs).
Use
This IC is commonly used in digital electronic systems for various applications, including data processing, signal transmission, and logic operations.
Characteristics
- High-speed operation
- Low power consumption
- Wide operating voltage range
- Compact size
- Reliable performance
Package
The 74F821SCX is available in a small outline integrated circuit (SOIC) package. This package provides protection and easy integration into electronic circuits.
Essence
The essence of the 74F821SCX lies in its ability to perform complex logical operations with high speed and efficiency, making it an essential component in modern digital systems.
Packaging/Quantity
The 74F821SCX is typically packaged in reels or tubes, containing a specific quantity of ICs per package. The exact quantity may vary depending on the manufacturer's specifications.
Specifications
- Supply Voltage: 2V - 6V
- Logic Family: 74F
- Number of Pins: 16
- Operating Temperature Range: -40°C to +85°C
- Logic Function: 10-bit D-type flip-flop with 3-state outputs
Detailed Pin Configuration
Pin | Name | Description --- | ---- | ----------- 1 | D0 | Data input 0 2 | D1 | Data input 1 3 | D2 | Data input 2 4 | D3 | Data input 3 5 | D4 | Data input 4 6 | D5 | Data input 5 7 | D6 | Data input 6 8 | D7 | Data input 7 9 | D8 | Data input 8 10 | D9 | Data input 9 11 | CP | Clock pulse input 12 | MR | Master reset input 13 | OE | Output enable input 14 | Q0 | Output 0 15 | Q1 | Output 1 16 | GND | Ground
Functional Features
- High-speed data storage and retrieval
- Synchronous operation with clock pulse input
- Master reset for clearing the flip-flop
- Output enable for controlling the output state
- 3-state outputs for bus-oriented applications
Advantages and Disadvantages
Advantages
- High-speed operation allows for efficient data processing
- Low power consumption contributes to energy efficiency
- Wide operating voltage range provides flexibility in various electronic systems
- Compact size enables integration into space-constrained designs
- Reliable performance ensures stable operation over time
Disadvantages
- Limited number of inputs and outputs may restrict complex system designs
- Not suitable for high-voltage applications due to the specified supply voltage range
Working Principles
The 74F821SCX is based on D-type flip-flop circuitry, which stores and transfers digital data. It operates synchronously with a clock pulse input, allowing for precise timing control. The master reset input clears the flip-flop, while the output enable input controls the output state. The 3-state outputs are particularly useful in bus-oriented applications, enabling multiple devices to share a common data bus.
Detailed Application Field Plans
The 74F821SCX finds application in various fields, including: - Microprocessors and microcontrollers - Communication systems - Data storage devices - Industrial automation - Automotive electronics
Detailed and Complete Alternative Models
Some alternative models that offer similar functionality to the 74F821SCX include: - 74HC821 - 74LS821 - SN74F821
These models are compatible with the same pin configuration and provide comparable features.
In conclusion, the 74F821SCX is a versatile integrated circuit that offers high-speed operation, low power consumption, and reliable performance. Its compact size and wide operating voltage range make it suitable for various digital electronic systems. With its functional features and compatibility with alternative models, the 74F821SCX remains a valuable component in modern technology.
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Luettele 10 yleistä kysymystä ja vastausta, jotka liittyvät 74F821SCX :n soveltamiseen teknisissä ratkaisuissa
Sure! Here are 10 common questions and answers related to the application of 74F821SCX in technical solutions:
Q: What is the 74F821SCX? A: The 74F821SCX is a specific type of integrated circuit (IC) that functions as an 8-bit D-type flip-flop with 3-state outputs.
Q: What are the typical applications of the 74F821SCX? A: The 74F821SCX is commonly used in digital systems for tasks such as data storage, synchronization, and signal buffering.
Q: What is the maximum operating frequency of the 74F821SCX? A: The maximum operating frequency of the 74F821SCX is typically specified by the manufacturer and can vary, but it is generally in the range of several hundred megahertz.
Q: How many inputs does the 74F821SCX have? A: The 74F821SCX has a total of 11 inputs, including 8 data inputs (D0-D7), a clock input (CLK), a clear input (CLR), and an output enable input (OE).
Q: What is the power supply voltage range for the 74F821SCX? A: The 74F821SCX typically operates within a power supply voltage range of 4.5V to 5.5V.
Q: Can the 74F821SCX be cascaded to create larger registers? A: Yes, multiple 74F821SCX ICs can be cascaded together to create larger registers or shift registers, allowing for increased data storage capacity.
Q: Does the 74F821SCX support 3-state outputs? A: Yes, the 74F821SCX has 3-state outputs, which means that the outputs can be in a high-impedance state when not actively driving a signal.
Q: How does the clear input (CLR) work on the 74F821SCX? A: When the clear input (CLR) is activated, it resets the flip-flop, setting all outputs to a low state and clearing any stored data.
Q: Can the 74F821SCX operate in both synchronous and asynchronous modes? A: No, the 74F821SCX operates only in synchronous mode, meaning that the outputs change state only on the rising edge of the clock signal.
Q: Are there any specific precautions to consider when using the 74F821SCX? A: It is important to ensure proper decoupling and power supply bypassing for stable operation. Additionally, care should be taken to avoid exceeding the maximum ratings specified by the manufacturer, such as voltage and temperature limits.
Please note that the answers provided here are general and may vary depending on the specific datasheet and manufacturer's specifications for the 74F821SCX.