Encyclopedia Entry: 74AVCH2T45GT,115

Product Overview

Category

The 74AVCH2T45GT,115 belongs to the category of integrated circuits (ICs) and specifically falls under the group of voltage level translators.

Use

This product is primarily used for bidirectional voltage level translation between two different voltage domains. It enables seamless communication between devices operating at different voltage levels.

Characteristics

• Bidirectional voltage level translation
• Support for multiple voltage domains
• Low power consumption
• High-speed operation
• Small form factor

Package

The 74AVCH2T45GT,115 is available in a small package, typically a Thin Small Outline Package (TSOP). This compact package allows for easy integration into various electronic systems.

Essence

The essence of this product lies in its ability to facilitate communication between devices that operate at different voltage levels, ensuring compatibility and smooth data transfer.

Packaging/Quantity

The 74AVCH2T45GT,115 is commonly packaged in reels or tubes, with each reel or tube containing a specific quantity of ICs. The exact packaging and quantity may vary depending on the manufacturer.

Specifications

• Supply Voltage Range: 1.2V to 3.6V
• Input Voltage Range (A Port): 0V to VCCA + 0.5V
• Input Voltage Range (B Port): 0V to VCCB + 0.5V
• Output Voltage Range (A Port): 0V to VCCA + 0.5V
• Output Voltage Range (B Port): 0V to VCCB + 0.5V
• Maximum Data Rate: 400 Mbps
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The 74AVCH2T45GT,115 has a total of 12 pins. The pin configuration is as follows:

1. VCCA: Power supply voltage for Port A
2. A1: Data input/output pin for Port A
3. A2: Data input/output pin for Port A
4. GND: Ground reference
5. B1: Data input/output pin for Port B
6. B2: Data input/output pin for Port B
7. VCCB: Power supply voltage for Port B
8. OE: Output enable control pin
9. DIR: Direction control pin
10. NC: No connection
11. NC: No connection
12. GND: Ground reference

Functional Features

• Bidirectional voltage level translation between two voltage domains
• Automatic direction sensing based on the DIR pin
• Output enable control for disabling the outputs when not in use
• High-speed data transfer with support for up to 400 Mbps

Advantages and Disadvantages

Advantages

• Enables seamless communication between devices operating at different voltage levels
• Low power consumption
• Compact form factor allows for easy integration into various systems
• High-speed operation ensures efficient data transfer

Disadvantages

• Limited to bidirectional voltage level translation only
• May require additional components for more complex voltage level translation scenarios

Working Principles

The 74AVCH2T45GT,115 utilizes a combination of MOSFETs and level-shifting circuitry to achieve bidirectional voltage level translation. The direction of translation is determined by the DIR pin, which controls the flow of data between the two voltage domains. When the DIR pin is set to a specific logic level, the IC automatically senses the direction and translates the voltage levels accordingly.

Detailed Application Field Plans

The 74AVCH2T45GT,115 finds applications in various fields where bidirectional voltage level translation is required. Some of the common application areas include:

1. Communication systems
2. Data acquisition and control systems
3. Industrial automation
4. Consumer electronics
5. Automotive electronics

Detailed and Complete Alternative Models

• 74LVC2T45: Similar bidirectional voltage level translator with lower power consumption
• SN74LV1T45: Single-channel voltage level translator for unidirectional translation
• TXB0108: Eight-channel bidirectional voltage level translator with automatic direction sensing

These alternative models offer similar functionality and can be considered based on specific requirements and design constraints.

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