IDT, Integrated Device Technology Inc
Bild kan vara representation.
Se specifikationer för produktinformation.
54FCT240ATDB
Visa detalj Datablad

54FCT240ATDB

Product Overview

Category: Integrated Circuit (IC)

Use: The 54FCT240ATDB is a high-speed octal buffer/line driver designed for general-purpose applications. It is commonly used in digital systems to provide buffering and signal amplification capabilities.

Characteristics: - High-speed operation - Low power consumption - Wide operating voltage range - Schmitt trigger inputs for noise immunity - TTL-compatible input and output levels

Package: The 54FCT240ATDB is available in a standard 20-pin dual in-line package (DIP), which provides ease of use and compatibility with various circuit boards.

Essence: This IC serves as a crucial component in digital systems, ensuring reliable signal transmission and driving capability.

Packaging/Quantity: The 54FCT240ATDB is typically packaged in reels or tubes, containing a quantity of 25 or 50 units per package.

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
  • Propagation Delay Time: 3.5ns (typical)
  • Output Drive Capability: ±24mA

Pin Configuration

The 54FCT240ATDB features a 20-pin DIP package with the following pin configuration:

+---+--+---+ A1 -|1 +--+ 20|- Vcc A2 -|2 |- B1 A3 -|3 |- B2 A4 -|4 |- B3 A5 -|5 |- B4 A6 -|6 |- B5 A7 -|7 |- B6 A8 -|8 |- B7 GND -|9 |- B8 OE -|10 |- Y1 Y2 -|11 |- Y3 Y4 -|12 |- Y5 Y6 -|13 |- Y7 Y8 -|14 |- OE# B8 -|15 |- GND B7 -|16 |- A8 B6 -|17 |- A7 B5 -|18 |- A6 B4 -|19 |- A5 B3 -|20 |- A4 +---+--+---+

Functional Features

  • Octal buffer/line driver with 3-state outputs
  • Provides non-inverting buffering of inputs
  • Capable of driving both standard and open-collector outputs
  • Output enable (OE) input allows for tri-state operation, enabling multiple devices to share a common bus

Advantages and Disadvantages

Advantages: - High-speed operation enables efficient signal transmission - Low power consumption contributes to energy efficiency - Wide operating voltage range enhances compatibility with various systems - Schmitt trigger inputs provide noise immunity, ensuring reliable performance - TTL-compatible levels facilitate integration with existing digital circuits

Disadvantages: - Limited output drive capability may not be suitable for high-current applications - Propagation delay time may introduce timing issues in certain scenarios

Working Principles

The 54FCT240ATDB operates by receiving input signals on the A1-A8 pins. These signals are buffered and amplified internally before being transmitted to the corresponding Y1-Y8 output pins. The output enable (OE) input controls the tri-state operation, allowing the outputs to be either active or in a high-impedance state.

Detailed Application Field Plans

The 54FCT240ATDB finds applications in various digital systems, including but not limited to: - Microprocessors and microcontrollers - Memory systems - Data communication equipment - Industrial automation systems - Test and measurement instruments

Alternative Models

For similar functionality and compatibility, alternative models to the 54FCT240ATDB include: - SN74F240 - Texas Instruments - MC74F240 - ON Semiconductor - CD54FCT240 - Texas Instruments - HD74F240 - Renesas Electronics

These alternative models offer comparable features and can be used as substitutes based on specific requirements.

Word count: 529 words

Lista 10 Vanliga frågor och svar relaterade till tillämpningen av 54FCT240ATDB i tekniska lösningar

Sure! Here are 10 common questions and answers related to the application of 54FCT240ATDB in technical solutions:

  1. Q: What is the 54FCT240ATDB? A: The 54FCT240ATDB is a octal buffer/line driver with 3-state outputs, commonly used in digital logic circuits.

  2. Q: What is the maximum operating voltage for the 54FCT240ATDB? A: The maximum operating voltage for the 54FCT240ATDB is typically 5V.

  3. Q: How many inputs and outputs does the 54FCT240ATDB have? A: The 54FCT240ATDB has 8 inputs and 8 outputs.

  4. Q: Can the 54FCT240ATDB be used as a level shifter? A: Yes, the 54FCT240ATDB can be used as a level shifter to convert signals between different voltage levels.

  5. Q: What is the maximum output current that the 54FCT240ATDB can drive? A: The 54FCT240ATDB can typically drive up to 24mA of output current.

  6. Q: Is the 54FCT240ATDB compatible with TTL logic levels? A: Yes, the 54FCT240ATDB is compatible with TTL logic levels, making it suitable for interfacing with TTL devices.

  7. Q: Can the 54FCT240ATDB be used in high-speed applications? A: Yes, the 54FCT240ATDB is designed for high-speed operation and can be used in applications with fast switching requirements.

  8. Q: Does the 54FCT240ATDB have internal pull-up or pull-down resistors? A: No, the 54FCT240ATDB does not have internal pull-up or pull-down resistors. External resistors may be required for proper operation.

  9. Q: Can the 54FCT240ATDB be used in bidirectional applications? A: No, the 54FCT240ATDB is a unidirectional buffer and cannot be used for bidirectional communication.

  10. Q: What is the power supply voltage range for the 54FCT240ATDB? A: The power supply voltage range for the 54FCT240ATDB is typically between 4.5V and 5.5V.