Encyclopedia Entry: 74VCX16245LBR

Product Overview

Category

The 74VCX16245LBR belongs to the category of integrated circuits (ICs) and specifically falls under the family of voltage translating and non-inverting bus transceivers.

Use

This product is primarily used for bidirectional level shifting between two voltage domains. It enables seamless communication between devices operating at different voltage levels, ensuring compatibility and reliable data transfer.

Characteristics

• Voltage Translation: The 74VCX16245LBR facilitates voltage translation from one logic level to another, allowing smooth communication between devices with varying voltage requirements.
• Non-Inverting Buffer: This IC ensures that the input signal's logic state is preserved during the translation process, maintaining the integrity of the transmitted data.
• Bidirectional Communication: The device supports bidirectional data flow, enabling information exchange between two voltage domains.
• High-Speed Operation: The 74VCX16245LBR operates at high speeds, making it suitable for applications requiring fast data transfer rates.
• Low Power Consumption: This IC is designed to minimize power consumption, making it energy-efficient and suitable for battery-powered devices.

Package and Quantity

The 74VCX16245LBR is available in a specific package type known as "TSSOP" (Thin Shrink Small Outline Package). It consists of a thin plastic body with a small footprint, facilitating space-saving integration on circuit boards. The package typically contains one IC.

Specifications

• Supply Voltage Range: 1.2V to 3.6V
• Logic Family: VCX
• Number of Channels: 16
• Input/Output Compatibility: LVTTL/LVCMOS
• Maximum Data Rate: 400 Mbps
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The 74VCX16245LBR features a 48-pin package with the following pin configuration:

Pin 1: A1 Pin 2: Y1 Pin 3: B1 Pin 4: GND Pin 5: B2 Pin 6: Y2 ...

Functional Features

• Voltage Translation: The IC translates signals from one voltage level to another, ensuring seamless communication between devices operating at different voltages.
• Bidirectional Data Flow: The device supports bidirectional data transfer, allowing information exchange between two voltage domains.
• Non-Inverting Buffer: The IC preserves the logic state of the input signal during translation, maintaining data integrity.
• High-Speed Operation: The 74VCX16245LBR operates at high speeds, making it suitable for applications requiring fast data transmission.
• Low Power Consumption: This IC is designed to minimize power consumption, making it energy-efficient and suitable for battery-powered devices.

Advantages

• Enables compatibility between devices with different voltage requirements.
• Preserves logic state during voltage translation, ensuring accurate data transfer.
• Supports bidirectional communication, facilitating versatile applications.
• Operates at high speeds, enabling fast data transmission.
• Low power consumption makes it suitable for battery-powered devices.

Disadvantages

• May introduce slight propagation delay during voltage translation, affecting real-time applications with strict timing requirements.
• Limited to a specific number of channels (16 in this case), which may not be sufficient for certain complex systems.

Working Principles

The 74VCX16245LBR utilizes a combination of MOSFETs and CMOS technology to achieve voltage translation. It employs a non-inverting buffer design that ensures the logic state of the input signal is preserved during the translation process. By controlling the gate voltages of the MOSFETs, the IC enables bidirectional data flow between two voltage domains.

Application Field Plans

The 74VCX16245LBR finds applications in various fields, including: 1. Microcontroller Interfacing: It facilitates communication between microcontrollers operating at different voltage levels. 2. Memory Interfaces: The IC enables data transfer between memory modules with varying voltage requirements. 3. Communication Systems: It is used in systems where different components operate at different logic levels, such as UART, SPI, or I2C interfaces.

Alternative Models

For those seeking alternative options, the following models can be considered: - 74LVC245A: This IC offers similar functionality but operates at a lower voltage range (1.65V to 5.5V). - SN74LVCHT245A: Another alternative that supports bidirectional voltage translation and operates at a wider voltage range (1.2V to 3.6V).

In conclusion, the 74VCX16245LBR is a versatile integrated circuit that enables bidirectional voltage translation between two logic domains. Its high-speed operation, low power consumption, and non-inverting buffer design make it suitable for various applications requiring seamless communication between devices with different