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74AHC240D,112
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74AHC240D,112

Product Overview

  • Category: Integrated Circuit
  • Use: Logic Gate
  • Characteristics: High-speed, Octal Buffer/Line Driver with 3-State Outputs
  • Package: SOIC (Small Outline Integrated Circuit)
  • Essence: Buffer/Line Driver
  • Packaging/Quantity: Tape and Reel, 2500 pieces per reel

Specifications

  • Supply Voltage Range: 2.0V to 5.5V
  • High-Speed Operation: tPD = 4.5ns (typ) at VCC = 5V
  • Inputs and Outputs are Overvoltage Tolerant
  • 3-State Outputs for Bus-Oriented Applications
  • Power-Off Disable Outputs Permit "Live Insertion"
  • Complies with JEDEC Standard JESD8-7A

Detailed Pin Configuration

The 74AHC240D,112 has a total of 20 pins arranged as follows:

+---+--+---+ 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 |- OE# Y3 -|12 |- Y3 Y4 -|13 |- Y4 Y5 -|14 |- Y5 Y6 -|15 |- Y6 Y7 -|16 |- Y7 Y8 -|17 |- GND B9 -|18 |- A9 B10 -|19 |- A10 +----------+

Functional Features

  • Octal buffer/line driver with 3-state outputs
  • High-speed operation for efficient data transfer
  • Overvoltage tolerant inputs and outputs
  • Power-off disable outputs allow "live insertion" of the device
  • Complies with JEDEC Standard JESD8-7A for reliable performance

Advantages and Disadvantages

Advantages: - High-speed operation enables quick data processing - Overvoltage tolerance provides robustness in various environments - Power-off disable outputs allow hot-swapping of the device

Disadvantages: - Limited supply voltage range (2.0V to 5.5V) - Only suitable for logic gate applications

Working Principles

The 74AHC240D,112 is an octal buffer/line driver that operates at high speeds. It takes input signals and amplifies them to drive output lines. The device features 3-state outputs, which means they can be disabled to enter a high-impedance state. This allows multiple devices to share a common bus without interfering with each other.

Detailed Application Field Plans

The 74AHC240D,112 is commonly used in various digital systems where buffering and line driving are required. Some typical application fields include:

  1. Microprocessor-based systems
  2. Data communication systems
  3. Industrial automation
  4. Automotive electronics
  5. Consumer electronics

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the 74AHC240D,112 are:

  1. SN74AHC240N by Texas Instruments
  2. MC74AHC240DW by ON Semiconductor
  3. CD74AHC240E by Texas Instruments
  4. 74AHC240PW by NXP Semiconductors

These alternative models can be considered based on specific requirements and availability.

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Senaraikan 10 soalan dan jawapan biasa yang berkaitan dengan aplikasi 74AHC240D,112 dalam penyelesaian teknikal

Sure! Here are 10 common questions and answers related to the application of 74AHC240D,112 in technical solutions:

  1. Q: What is the function of the 74AHC240D,112? A: The 74AHC240D,112 is an octal inverting buffer/line driver with 3-state outputs.

  2. Q: What is the voltage supply range for the 74AHC240D,112? A: The voltage supply range is typically between 2V and 5.5V.

  3. Q: How many inputs and outputs does the 74AHC240D,112 have? A: It has 8 inputs and 8 outputs.

  4. Q: Can the 74AHC240D,112 be used for level shifting? A: Yes, it can be used for level shifting as it supports both TTL and CMOS logic levels.

  5. Q: What is the maximum output current that the 74AHC240D,112 can drive? A: The maximum output current is typically around 35mA.

  6. Q: Does the 74AHC240D,112 have built-in protection against electrostatic discharge (ESD)? A: Yes, it has ESD protection on all inputs and outputs.

  7. Q: Can the 74AHC240D,112 be used in high-speed applications? A: Yes, it has a high-speed operation capability with propagation delays typically less than 10ns.

  8. Q: Is the 74AHC240D,112 compatible with other standard logic families? A: Yes, it is compatible with most standard logic families such as TTL, CMOS, and LVTTL.

  9. Q: Can the 74AHC240D,112 be used in bidirectional data transfer applications? A: No, it is not designed for bidirectional data transfer. It is primarily used as an output buffer.

  10. Q: What is the package type of the 74AHC240D,112? A: The 74AHC240D,112 is available in a standard SOIC-20 package.

Please note that the answers provided here are general and may vary depending on the specific datasheet and manufacturer's specifications for the 74AHC240D,112.