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Encyclopedia Entry: 74ACT521PC
Product Overview
Category
The 74ACT521PC belongs to the category of integrated circuits (ICs).
Use
This IC is commonly used in digital electronic systems for various applications, including data storage, signal processing, and control circuitry.
Characteristics
- The 74ACT521PC is a high-speed, octal D-type flip-flop with a parallel-to-serial data conversion feature.
- It operates on a wide voltage range, typically between 2V and 6V.
- This IC offers excellent noise immunity and low power consumption.
- It is designed to be compatible with both TTL and CMOS logic families.
Package
The 74ACT521PC is available in a 20-pin plastic dual in-line package (DIP). The pins are arranged in a standard configuration for easy integration into circuit boards.
Essence
The essence of the 74ACT521PC lies in its ability to store and manipulate digital information efficiently. It provides reliable data storage and conversion capabilities, making it an essential component in many electronic devices.
Packaging/Quantity
The 74ACT521PC is typically packaged in tubes or trays, with each tube or tray containing a specific quantity of ICs. The exact quantity may vary depending on the manufacturer's specifications.
Specifications
- Supply Voltage Range: 2V to 6V
- Operating Temperature Range: -40°C to +85°C
- Input/Output Compatibility: TTL and CMOS
- Maximum Clock Frequency: 100 MHz
- Number of Flip-Flops: 8
- Output Current: ±24 mA
Detailed Pin Configuration
The 74ACT521PC has a total of 20 pins, each serving a specific function. Here is the detailed pin configuration:
- GND (Ground)
- 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)
- CLK (Clock Input)
- SER (Serial Output)
- Q0 (Flip-Flop Output 0)
- Q1 (Flip-Flop Output 1)
- Q2 (Flip-Flop Output 2)
- Q3 (Flip-Flop Output 3)
- Q4 (Flip-Flop Output 4)
- Q5 (Flip-Flop Output 5)
- Q6 (Flip-Flop Output 6)
- Q7 (Flip-Flop Output 7)
- VCC (Supply Voltage)
Functional Features
The 74ACT521PC offers the following functional features:
- Parallel-to-Serial Conversion: The IC can convert parallel data inputs (D0-D7) into a serial output (SER) based on the clock input (CLK).
- Data Storage: The eight flip-flops (Q0-Q7) within the IC can store and retain digital information.
- Clock Synchronization: The clock input (CLK) ensures synchronized data transfer and storage operations.
- Compatibility: The IC is designed to be compatible with both TTL and CMOS logic families, allowing for seamless integration into various digital systems.
Advantages and Disadvantages
Advantages
- High-Speed Operation: The 74ACT521PC operates at a maximum clock frequency of 100 MHz, enabling rapid data processing.
- Wide Voltage Range: It can function within a voltage range of 2V to 6V, providing flexibility in different electronic systems.
- Noise Immunity: This IC offers excellent noise immunity, ensuring reliable data storage and transmission.
- Low Power Consumption: The 74ACT521PC consumes minimal power, making it energy-efficient.
Disadvantages
- Limited Flip-Flops: With only eight flip-flops, the IC may not be suitable for applications requiring a higher number of storage elements.
- Temperature Sensitivity: Extreme temperature conditions beyond the specified range may affect the performance and reliability of the IC.
Working Principles
The 74ACT521PC operates based on the principles of digital logic. When the clock input (CLK) receives a pulse, the parallel data inputs (D0-D7) are latched into the respective flip-flops (Q0-Q7). Simultaneously, the stored data is shifted out serially through the SER pin. This conversion from parallel to serial allows for efficient data transfer and processing within digital systems.
Detailed Application Field Plans
The 74ACT521PC finds applications in various fields, including:
- Data Communication Systems: It can be used in networking equipment, routers, and modems for data storage and conversion purposes.
- Microcontroller-based Systems: The
Seznam 10 běžných otázek a odpovědí souvisejících s aplikací 74ACT521PC v technických řešeních
Sure! Here are 10 common questions and answers related to the application of 74ACT521PC in technical solutions:
Q: What is the 74ACT521PC? A: The 74ACT521PC is a high-speed octal latch with 3-state outputs, commonly used in digital systems.
Q: What is the purpose of the 74ACT521PC? A: The 74ACT521PC is used to store and control the flow of data in digital circuits.
Q: How many latch inputs does the 74ACT521PC have? A: The 74ACT521PC has eight latch inputs, labeled D0 to D7.
Q: Can the 74ACT521PC be used as a buffer? A: No, the 74ACT521PC is not designed to be used as a buffer. It is primarily used for data storage and control.
Q: What is the maximum operating frequency of the 74ACT521PC? A: The 74ACT521PC can operate at frequencies up to 125 MHz.
Q: Does the 74ACT521PC support 3-state outputs? A: Yes, the 74ACT521PC has 3-state outputs that allow multiple devices to share a common bus.
Q: Can the 74ACT521PC be cascaded to increase the number of latches? A: Yes, multiple 74ACT521PCs can be cascaded together to increase the number of latches in a system.
Q: What is the power supply voltage range for the 74ACT521PC? A: The 74ACT521PC operates with a power supply voltage range of 4.5V to 5.5V.
Q: Does the 74ACT521PC have any built-in protection features? A: Yes, the 74ACT521PC has built-in ESD protection to prevent damage from electrostatic discharge.
Q: What are some common applications of the 74ACT521PC? A: The 74ACT521PC is commonly used in data storage, address decoding, bus interfacing, and control signal generation in digital systems.
Please note that these answers are general and may vary depending on specific use cases and requirements.