ON Semiconductor
Imej mungkin representasi.
Lihat spesifikasi untuk butiran produk.
74F253SC
Lihat Butiran Helaian data

74F253SC

Product Overview

Category

The 74F253SC is a digital integrated circuit (IC) belonging to the category of multiplexers/demultiplexers.

Use

This IC is primarily used for data selection and routing in digital systems. It allows multiple input signals to be selectively routed to one or more output lines, based on control inputs.

Characteristics

  • High-speed operation
  • Low power consumption
  • Wide operating voltage range
  • Compact size
  • Compatibility with various logic families

Package

The 74F253SC is available in a small outline integrated circuit (SOIC) package. This package offers ease of handling and compatibility with standard PCB manufacturing processes.

Essence

The essence of the 74F253SC lies in its ability to efficiently manage data routing within digital systems, enabling effective signal control and manipulation.

Packaging/Quantity

The 74F253SC is typically packaged in reels or tubes, containing a quantity of 25 or 50 units per package, respectively.

Specifications

  • Supply Voltage: 4.5V to 5.5V
  • Input Voltage: 0V to Vcc
  • Output Voltage: 0V to Vcc
  • Operating Temperature Range: -40°C to +85°C
  • Propagation Delay: 7 ns (max)
  • Input Capacitance: 10 pF (typ)
  • Output Capacitance: 15 pF (typ)

Detailed Pin Configuration

The 74F253SC has a total of 16 pins, each serving a specific function:

  1. A0: Data Input A
  2. B0: Data Input B
  3. G1: Enable Input 1
  4. G2: Enable Input 2
  5. Y0: Multiplexer Output 0
  6. Y1: Multiplexer Output 1
  7. Y2: Multiplexer Output 2
  8. Y3: Multiplexer Output 3
  9. A1: Data Input A
  10. B1: Data Input B
  11. GND: Ground
  12. Vcc: Power Supply
  13. Y4: Multiplexer Output 4
  14. Y5: Multiplexer Output 5
  15. Y6: Multiplexer Output 6
  16. Y7: Multiplexer Output 7

Functional Features

  • Dual 4-input multiplexer with common select inputs
  • Independent enable inputs for each multiplexer
  • Non-inverting outputs
  • High-speed operation suitable for time-critical applications
  • Low power consumption, making it energy-efficient

Advantages and Disadvantages

Advantages

  • Versatile data routing capabilities
  • Wide operating voltage range allows compatibility with various systems
  • Compact size enables space-saving designs
  • Low power consumption reduces energy requirements

Disadvantages

  • Limited number of input and output lines
  • May require additional ICs for complex data routing scenarios

Working Principles

The 74F253SC operates based on the principles of digital logic. It utilizes multiplexing to selectively route data from multiple input lines to one or more output lines. The control inputs (A0, A1, B0, B1) determine which input line(s) are connected to the output lines (Y0-Y7). The enable inputs (G1, G2) activate or deactivate the multiplexers as needed.

Detailed Application Field Plans

The 74F253SC finds application in various digital systems, including but not limited to: - Data communication networks - Microprocessor-based systems - Industrial automation - Consumer electronics - Automotive electronics

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the 74F253SC include: - 74HC253 - CD74HC253 - SN74LS253 - MC74HC253

These alternative models may have slight variations in specifications, pin configuration, or package type, but they serve the same purpose of data selection and routing.

Word count: 550 words

Senaraikan 10 soalan dan jawapan biasa yang berkaitan dengan aplikasi 74F253SC dalam penyelesaian teknikal

Sure! Here are 10 common questions and answers related to the application of 74F253SC in technical solutions:

  1. Q: What is the 74F253SC? A: The 74F253SC is a dual 4-input multiplexer with tri-state outputs, commonly used in digital logic circuits.

  2. Q: What is the purpose of a multiplexer? A: A multiplexer is used to select one of several input signals and route it to a single output line based on control inputs.

  3. Q: How many inputs can the 74F253SC handle? A: The 74F253SC has four input lines per multiplexer, so it can handle a total of eight input lines.

  4. Q: Can the 74F253SC handle both analog and digital signals? A: No, the 74F253SC is designed for digital signals only and cannot handle analog signals.

  5. Q: What are the typical voltage levels supported by the 74F253SC? A: The 74F253SC typically supports voltage levels of 5V, making it compatible with most TTL (Transistor-Transistor Logic) systems.

  6. Q: How does the tri-state output feature work? A: The tri-state output allows the output to be in three states: high, low, or high impedance (disconnected), controlled by an enable signal.

  7. Q: Can the 74F253SC be cascaded to increase the number of inputs? A: Yes, multiple 74F253SC chips can be cascaded together to increase the number of inputs and achieve more complex multiplexing operations.

  8. Q: What is the power supply requirement for the 74F253SC? A: The 74F253SC typically requires a 5V power supply.

  9. Q: What is the maximum operating frequency of the 74F253SC? A: The maximum operating frequency of the 74F253SC is typically in the range of tens to hundreds of megahertz (MHz).

  10. Q: Can the 74F253SC be used in both synchronous and asynchronous applications? A: Yes, the 74F253SC can be used in both synchronous and asynchronous applications, depending on the specific design requirements.

Please note that these answers are general and may vary depending on the specific implementation and datasheet of the 74F253SC chip.