Gambar mungkin merupakan representasi.
Lihat spesifikasi untuk detail produk.
SN74LVTH245ADW

SN74LVTH245ADW

Product Overview

Category

SN74LVTH245ADW belongs to the category of integrated circuits (ICs).

Use

This IC is commonly used for level shifting and voltage translation in digital systems.

Characteristics

  • Low-voltage operation: The SN74LVTH245ADW operates at a low voltage range, typically between 2.7V and 3.6V.
  • High-speed performance: It offers fast switching times, making it suitable for high-frequency applications.
  • Bidirectional data transfer: This IC allows bidirectional data flow between two voltage domains.
  • Output drive strength: It provides a high output drive capability, enabling it to drive capacitive loads efficiently.

Package

The SN74LVTH245ADW is available in a standard 20-pin SOIC (Small Outline Integrated Circuit) package.

Essence

The essence of SN74LVTH245ADW lies in its ability to facilitate reliable and efficient voltage translation between different logic levels.

Packaging/Quantity

This IC is typically packaged in reels or tubes, with a quantity of 250 units per reel/tube.

Specifications

  • Supply Voltage Range: 2.7V to 3.6V
  • Logic Family: LVTH
  • Number of Channels: 8
  • Input/Output Type: Tri-State
  • Operating Temperature Range: -40°C to +85°C
  • Propagation Delay: 4.5ns (max)
  • Output Drive Strength: ±24mA

Detailed Pin Configuration

The pin configuration of SN74LVTH245ADW is as follows:

┌───┐ OE ─┤1 20├ VCC A1 ─┤2 19├ B1 A2 ─┤3 18├ B2 A3 ─┤4 17├ B3 A4 ─┤5 16├ B4 A5 ─┤6 15├ B5 A6 ─┤7 14├ B6 A7 ─┤8 13├ B7 GND ─┤9 12├ B8 DIR ─┤10 11├ OE# └───┘

Functional Features

  • Bidirectional Data Transfer: The SN74LVTH245ADW allows data to be transferred bidirectionally between two voltage domains.
  • Tri-State Outputs: It features tri-state outputs, enabling the bus to be effectively disconnected when not in use.
  • Direction Control: The DIR pin controls the direction of data flow.
  • Output Enable: The OE# pin enables or disables the outputs.

Advantages and Disadvantages

Advantages

  • Low-voltage operation makes it compatible with a wide range of digital systems.
  • High-speed performance allows for efficient data transfer.
  • Tri-state outputs provide flexibility in bus sharing applications.
  • Reliable voltage translation ensures proper communication between different logic levels.

Disadvantages

  • Limited supply voltage range may restrict its use in certain applications.
  • Propagation delay may affect timing-sensitive designs.

Working Principles

The SN74LVTH245ADW operates by receiving input signals from one voltage domain and translating them to another voltage domain. It utilizes internal circuitry to ensure proper level shifting while maintaining signal integrity. The direction control (DIR) pin determines the direction of data flow, while the output enable (OE#) pin enables or disables the outputs.

Detailed Application Field Plans

SN74LVTH245ADW finds applications in various fields, including:

  1. Microcontroller Interfacing: It is commonly used to interface microcontrollers with devices operating at different voltage levels.
  2. Communication Systems: This IC facilitates voltage translation in communication systems, allowing seamless data transfer between different logic levels.
  3. Industrial Automation: SN74LVTH245ADW is employed in industrial automation systems for level shifting purposes.
  4. Consumer Electronics: It is utilized in consumer electronic devices to enable communication between components operating at different voltage levels.

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to SN74LVTH245ADW are:

  1. SN74LVC245A: Similar functionality with a wider supply voltage range.
  2. SN74HCT245: Compatible with higher voltage levels.
  3. SN74LVCH245A: Offers lower power consumption.

These alternative models provide similar functionality but may have variations in characteristics and specifications.

In conclusion, the SN74LVTH245ADW is an integrated circuit designed for efficient voltage translation and level shifting in digital systems. Its low-voltage operation, high-speed performance, and bid

Sebutkan 10 pertanyaan dan jawaban umum terkait penerapan SN74LVTH245ADW dalam solusi teknis

Sure! Here are 10 common questions and answers related to the application of SN74LVTH245ADW:

  1. Q: What is SN74LVTH245ADW? A: SN74LVTH245ADW is a bidirectional octal bus transceiver with 3-state outputs, commonly used for level shifting and signal buffering in digital systems.

  2. Q: What is the voltage range supported by SN74LVTH245ADW? A: SN74LVTH245ADW supports a voltage range of 1.65V to 5.5V, making it compatible with both low-voltage and standard CMOS logic levels.

  3. Q: How many channels does SN74LVTH245ADW have? A: SN74LVTH245ADW has 8 channels, allowing bidirectional data transfer between two buses.

  4. Q: What is the maximum data rate supported by SN74LVTH245ADW? A: SN74LVTH245ADW can support data rates up to 400 Mbps, making it suitable for high-speed applications.

  5. Q: Can SN74LVTH245ADW be used for level shifting between different voltage domains? A: Yes, SN74LVTH245ADW can be used for level shifting between different voltage domains, as long as the voltage levels are within its supported range.

  6. Q: Does SN74LVTH245ADW have built-in ESD protection? A: Yes, SN74LVTH245ADW has built-in ESD protection, which helps protect the device from electrostatic discharge events.

  7. Q: Can SN74LVTH245ADW be used in both parallel and serial communication systems? A: Yes, SN74LVTH245ADW can be used in both parallel and serial communication systems, depending on the application requirements.

  8. Q: What is the power supply voltage required for SN74LVTH245ADW? A: SN74LVTH245ADW requires a power supply voltage of 2.7V to 3.6V for proper operation.

  9. Q: Does SN74LVTH245ADW have any special features for reducing power consumption? A: Yes, SN74LVTH245ADW has a low-power mode that can be enabled to reduce power consumption when the device is not actively transferring data.

  10. Q: Can SN74LVTH245ADW be used in automotive applications? A: Yes, SN74LVTH245ADW is qualified for automotive applications and meets the necessary standards for reliability and performance in automotive environments.

Please note that these answers are general and may vary based on specific application requirements. It's always recommended to refer to the datasheet and consult with technical experts for detailed information.