Encyclopedia Entry: 74VCX162245TTR

Product Information Overview

• Category: Integrated Circuit (IC)
• Use: Logic Level Shifter
• Characteristics: High-speed, low-voltage, bidirectional level shifting
• Package: TSSOP (Thin Shrink Small Outline Package)
• Essence: Transceiver
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

The 74VCX162245TTR is a logic level shifter integrated circuit designed for bidirectional voltage translation between different logic levels. It operates at high speeds and supports low-voltage applications. The IC is packaged in a TSSOP package and is available in tape and reel packaging with 2500 units per reel.

Detailed Pin Configuration

The 74VCX162245TTR features a total of 48 pins, which are divided into two groups of 24 pins each. Each group corresponds to one direction of data transmission. The pin configuration is as follows:

• Group A (pins 1-24): Data inputs/outputs for direction A
• Group B (pins 25-48): Data inputs/outputs for direction B

Functional Features

• Bidirectional Level Shifting: The 74VCX162245TTR allows for seamless voltage translation between different logic levels in both directions.
• High-Speed Operation: This IC is designed to operate at high speeds, making it suitable for applications that require fast data transfer.
• Low-Voltage Support: It supports low-voltage applications, enabling compatibility with various logic families operating at different voltage levels.
• ESD Protection: The IC incorporates Electrostatic Discharge (ESD) protection, ensuring robustness against electrostatic discharge events.

Advantages and Disadvantages

Advantages: - Bidirectional level shifting capability simplifies circuit design. - High-speed operation enables efficient data transfer. - Low-voltage support enhances compatibility with different logic families. - ESD protection ensures reliability in harsh environments.

Disadvantages: - Limited voltage translation range. - Higher power consumption compared to some alternative models.

Working Principles

The 74VCX162245TTR utilizes a combination of MOSFETs and CMOS technology to achieve bidirectional level shifting. It employs a voltage level detection mechanism to determine the input logic levels and translates them to the corresponding output levels. The IC operates by switching the internal transistors based on the input signals, allowing for seamless voltage translation between different logic levels.

Detailed Application Field Plans

The 74VCX162245TTR is commonly used in various applications that require bidirectional voltage translation between different logic levels. Some typical application fields include:

1. Microcontroller Interfacing: The IC facilitates communication between microcontrollers operating at different voltage levels.
2. Memory Interfaces: It can be used to interface memory modules with different voltage requirements.
3. Communication Systems: The IC enables voltage translation in communication systems, such as UART, SPI, or I2C interfaces.
4. Industrial Automation: It finds applications in industrial automation systems where different logic levels need to be translated for control and monitoring purposes.

Detailed and Complete Alternative Models

1. SN74LVC1T45: Unidirectional level shifter with similar characteristics but limited to one direction of data transmission.
2. TXB0108: Bidirectional level shifter with a wider voltage translation range and lower power consumption.
3. PCA9306: Bidirectional I2C level shifter specifically designed for I2C bus voltage translation.

These alternative models offer different features and specifications, providing options for specific application requirements.

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