ON Semiconductor
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NLV74HC240ADWG
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NLV74HC240ADWG

Product Overview

  • Category: Integrated Circuit
  • Use: Logic Level Shifter
  • Characteristics: High-Speed, Octal Buffer/Line Driver
  • Package: SOIC (Small Outline Integrated Circuit)
  • Essence: This integrated circuit is designed to provide high-speed buffering and line driving capabilities for digital signals.
  • Packaging/Quantity: NLV74HC240ADWG is typically sold in reels of 250 units.

Specifications

  • Supply Voltage: 2.0V - 6.0V
  • Input Voltage: 0V - VCC
  • Output Voltage: 0V - VCC
  • Operating Temperature: -40°C to +85°C
  • Propagation Delay: 8ns (typical)
  • Output Current: ±6mA

Pin Configuration

The NLV74HC240ADWG has a total of 20 pins arranged as follows:

+-----+--+-----+ A1 -|1 +--+ 20|- VCC A2 -|2 19|- B1 A3 -|3 18|- B2 A4 -|4 17|- B3 A5 -|5 NLV 16|- B4 A6 -|6 74HC 15|- B5 A7 -|7 240A 14|- B6 A8 -|8 DWG 13|- B7 GND -|9 12|- B8 OE -|10 11|- GND +--------------+

Functional Features

  • Octal buffer/line driver with 3-state outputs.
  • Inputs are compatible with TTL and CMOS logic levels.
  • High-speed operation, suitable for use in applications requiring fast signal propagation.
  • 3-state outputs allow multiple devices to be connected together without bus contention issues.

Advantages and Disadvantages

Advantages: - High-speed operation enables efficient signal buffering and line driving. - Compatibility with both TTL and CMOS logic levels allows for versatile usage. - 3-state outputs facilitate easy integration into multi-device systems.

Disadvantages: - Limited output current may not be sufficient for certain high-current applications. - The operating temperature range may restrict usage in extreme environments.

Working Principles

The NLV74HC240ADWG operates by receiving digital input signals on its A1-A8 pins. These inputs are then buffered and amplified before being transmitted to the corresponding B1-B8 output pins. The device also features an OE (Output Enable) pin, which when set to a low logic level, activates the 3-state outputs, allowing the device to be effectively disconnected from the bus.

Detailed Application Field Plans

The NLV74HC240ADWG is commonly used in various applications, including:

  1. Microcontroller interfacing: It can be used to interface microcontrollers with other digital devices, ensuring proper voltage level translation and signal integrity.
  2. Data communication systems: The IC can be employed in data communication systems to buffer and drive digital signals between different components, such as UARTs, SPI, or I2C interfaces.
  3. Memory systems: It can be utilized in memory systems to enable reliable data transfer between memory modules and controllers.
  4. Industrial automation: The IC finds application in industrial automation systems where it helps in signal conditioning and driving digital signals across different control units.

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the NLV74HC240ADWG include:

  1. SN74HC240N by Texas Instruments
  2. MC74HC240AN by ON Semiconductor
  3. CD74HC240E by Texas Instruments
  4. 74HCT240 by NXP Semiconductors

These alternative models provide comparable features and can be considered as substitutes for the NLV74HC240ADWG in various applications.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací NLV74HC240ADWG v technických řešeních

Sure! Here are 10 common questions and answers related to the application of NLV74HC240ADWG in technical solutions:

  1. Q: What is NLV74HC240ADWG? A: NLV74HC240ADWG is a specific type of integrated circuit (IC) that belongs to the 74HC series. It is a non-inverting octal buffer/line driver with 3-state outputs.

  2. Q: What are the typical applications of NLV74HC240ADWG? A: NLV74HC240ADWG is commonly used in various digital systems, such as data communication, memory interfacing, bus driving, and general-purpose logic level shifting.

  3. Q: What is the voltage supply range for NLV74HC240ADWG? A: The voltage supply range for NLV74HC240ADWG is typically between 2V and 6V.

  4. Q: How many channels does NLV74HC240ADWG have? A: NLV74HC240ADWG has 8 channels, which means it can handle 8 separate input/output signals.

  5. Q: Does NLV74HC240ADWG support 3-state outputs? A: Yes, NLV74HC240ADWG supports 3-state outputs, allowing the outputs to be disabled or put into a high-impedance state.

  6. Q: What is the maximum output current of NLV74HC240ADWG? A: The maximum output current of NLV74HC240ADWG is typically around 6mA.

  7. Q: Can NLV74HC240ADWG tolerate overvoltage on its inputs? A: No, NLV74HC240ADWG is not designed to tolerate overvoltage on its inputs. It is recommended to stay within the specified voltage range.

  8. Q: What is the propagation delay of NLV74HC240ADWG? A: The propagation delay of NLV74HC240ADWG is typically around 10 nanoseconds.

  9. Q: Is NLV74HC240ADWG compatible with other 74HC series ICs? A: Yes, NLV74HC240ADWG is generally compatible with other 74HC series ICs, allowing for easy integration into existing systems.

  10. Q: Can NLV74HC240ADWG be used in high-speed applications? A: NLV74HC240ADWG is suitable for moderate-speed applications but may not be ideal for very high-speed applications due to its relatively slower propagation delay compared to specialized high-speed ICs.

Please note that the answers provided here are general and may vary depending on specific datasheet specifications and application requirements.