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74F579SC
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Encyclopedia Entry: 74F579SC

Product Overview

Category

The 74F579SC belongs to the category of integrated circuits (ICs) and specifically falls under the family of flip-flops.

Use

This product is commonly used in digital electronic systems for storing and manipulating binary data. It serves as a memory element that can retain its state until a new input is received.

Characteristics

  • The 74F579SC is a high-speed, low-power octal D-type flip-flop.
  • It operates on a wide voltage range, typically between 4.5V and 5.5V.
  • This IC offers excellent noise immunity and robust performance.
  • It is designed to be compatible with various logic families, making it versatile in different applications.

Package and Quantity

The 74F579SC is available in a standard 20-pin small-outline package (SOIC). It is commonly sold in reels or tubes containing multiple units, with quantities varying based on the supplier and customer requirements.

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: 100 MHz
  • Propagation Delay: 6 ns (typical)

Pin Configuration

The 74F579SC has a total of 20 pins, each serving a specific function. Here is a detailed pin configuration:

  1. CP (Clock Pulse) - Input
  2. D0-D7 (Data Inputs) - Inputs
  3. Q0-Q7 (Flip-Flop Outputs) - Outputs
  4. GND (Ground) - Ground Reference
  5. Q7' (Complementary Output) - Output
  6. MR (Master Reset) - Input
  7. OE (Output Enable) - Input
  8. Vcc (Supply Voltage) - Power Supply

Functional Features

  • The 74F579SC operates as an octal D-type flip-flop, capable of storing eight individual bits of data.
  • It has a clock input (CP) that triggers the transfer of data from the inputs (D0-D7) to the outputs (Q0-Q7).
  • The master reset (MR) input allows for clearing all flip-flop outputs simultaneously.
  • The output enable (OE) input enables or disables the outputs, providing control over when the stored data is accessible.

Advantages and Disadvantages

Advantages: - High-speed operation allows for efficient data processing. - Low power consumption makes it suitable for battery-powered devices. - Wide voltage range compatibility enhances versatility in different systems. - Excellent noise immunity ensures reliable performance even in noisy environments.

Disadvantages: - Limited storage capacity compared to other memory elements like registers or RAM. - Lack of built-in error correction mechanisms may lead to data integrity issues in certain applications.

Working Principles

The 74F579SC utilizes positive-edge-triggered flip-flops to store and transfer data. When a rising edge is detected on the clock input (CP), the current state of the data inputs (D0-D7) is captured and stored in the flip-flops. This stored data is then available at the corresponding outputs (Q0-Q7). The master reset (MR) input can be used to clear all outputs, while the output enable (OE) input controls the accessibility of the stored data.

Application Field Plans

The 74F579SC finds application in various digital systems, including but not limited to: - Microprocessors and microcontrollers - Data storage and retrieval systems - Communication equipment - Industrial automation - Consumer electronics

Alternative Models

For those seeking alternatives to the 74F579SC, several similar ICs are available in the market. Some notable alternatives include: - 74HC579: A CMOS-based octal D-type flip-flop with similar functionality and pin configuration. - 74LS579: A low-power Schottky TTL-based octal D-type flip-flop offering comparable performance.

These alternative models provide similar features and can be used as drop-in replacements for the 74F579SC in most applications.

In conclusion, the 74F579SC is a high-speed, low-power octal D-type flip-flop widely used in digital electronic systems. Its versatile characteristics, functional features, and compatibility with various logic families make it an essential component in numerous applications across different industries.

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Перечислите 10 распространенных вопросов и ответов, связанных с применением 74F579SC в технических решениях.

Sure! Here are 10 common questions and answers related to the application of 74F579SC in technical solutions:

  1. Q: What is the 74F579SC? A: The 74F579SC is a 8-bit transparent latch with 3-state outputs, commonly used in digital circuits.

  2. Q: What is the purpose of a transparent latch? A: A transparent latch allows data to pass through when its enable input is high, and holds the data when the enable input is low.

  3. Q: How many bits can the 74F579SC handle? A: The 74F579SC is an 8-bit latch, meaning it can handle 8 bits of data simultaneously.

  4. Q: What are the typical voltage levels supported by the 74F579SC? A: The 74F579SC typically supports voltage levels between 4.5V and 5.5V.

  5. Q: Can the 74F579SC be cascaded to handle more than 8 bits of data? A: Yes, multiple 74F579SC latches can be cascaded together to handle larger data widths.

  6. Q: What is the maximum clock frequency supported by the 74F579SC? A: The maximum clock frequency supported by the 74F579SC is typically around 100 MHz.

  7. Q: Can the 74F579SC be used for bidirectional data transfer? A: No, the 74F579SC is a unidirectional latch and is not suitable for bidirectional data transfer.

  8. Q: What is the power supply requirement for the 74F579SC? A: The 74F579SC typically requires a single +5V power supply.

  9. Q: Can the 74F579SC be used in high-speed applications? A: Yes, the 74F579SC is designed for high-speed operation and can be used in various high-speed applications.

  10. Q: What are some common applications of the 74F579SC? A: The 74F579SC is commonly used in microprocessor systems, memory address latches, data storage, and other digital circuits where data needs to be temporarily stored or transferred.