74LVCH2T45DC-Q100H

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Level Shifter
• Characteristics: Bi-directional voltage level translation, high-speed operation, low power consumption
• Package: VSSOP-8
• Essence: Translates signals between different voltage levels in electronic circuits
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 1.65V to 5.5V
• High-Level Input Voltage: 2.3V to VCC + 0.3V
• Low-Level Input Voltage: -0.3V to 0.8V
• High-Level Output Voltage: VCC - 0.3V
• Low-Level Output Voltage: 0.3V
• Maximum Operating Frequency: 400 MHz

Detailed Pin Configuration

The 74LVCH2T45DC-Q100H has the following pin configuration:

___________ OE1 --| |-- VCC A1 --| |-- B1 A2 --| |-- B2 GND --| |-- OE2 | | | | | | |___________|

Functional Features

• Bi-directional voltage level shifting: Allows bidirectional signal translation between two voltage domains.
• High-speed operation: Supports fast data transmission with a maximum operating frequency of 400 MHz.
• Low power consumption: Designed to minimize power consumption, making it suitable for battery-powered devices.

Advantages

• Compact package size: The VSSOP-8 package offers a small footprint, saving valuable board space.
• Wide supply voltage range: Can operate with a wide range of supply voltages, providing flexibility in various applications.
• Robust performance: The Q100H qualification ensures high reliability and performance in automotive applications.

Disadvantages

• Limited number of channels: The 74LVCH2T45DC-Q100H has only two bidirectional channels, which may not be sufficient for complex systems requiring multiple voltage translations.
• Lack of ESD protection: This IC does not have built-in electrostatic discharge (ESD) protection, requiring additional external measures to safeguard against ESD events.

Working Principles

The 74LVCH2T45DC-Q100H utilizes a combination of MOSFETs and level-shifting circuitry to translate signals between different voltage levels. When the OE1 input is low, the A1 and B1 pins are connected, allowing bidirectional signal transmission between the two voltage domains. Similarly, when the OE2 input is low, the A2 and B2 pins are connected. The voltage translation occurs based on the supply voltage applied to the VCC pin.

Detailed Application Field Plans

The 74LVCH2T45DC-Q100H is commonly used in various applications where voltage level translation is required. Some typical application fields include: - Communication systems: Facilitates signal translation between different voltage domains in communication interfaces such as UART, SPI, and I2C. - Industrial automation: Enables compatibility between devices operating at different voltage levels in industrial control systems. - Automotive electronics: Supports voltage level translation in automotive applications, including infotainment systems, body control modules, and sensor interfaces.

Detailed and Complete Alternative Models

• SN74LVC2T45: Similar dual-channel bi-directional level shifter with a wider supply voltage range.
• TXB0102: Dual-bit bidirectional voltage-level translator with automatic direction sensing.
• PCA9306: Dual bidirectional I2C-bus and SMBus voltage-level translator with an enable function.

(Note: The above alternative models are provided for reference and may have different specifications and pin configurations. It is recommended to consult the respective datasheets for detailed information.)

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