SN74AVC2T45YEPR

Product Overview

• Category: Integrated Circuit
• Use: Level Shifter and Translator
• Characteristics: Bi-directional voltage level shifter with automatic direction sensing
• Package: 8-pin VSSOP (Very Small Outline Package)
• 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 3.6V
• High-Level Input Voltage: 2.3V to VCC + 0.5V
• Low-Level Input Voltage: -0.5V to 0.8V
• High-Level Output Voltage: 2.3V to VCC + 0.5V
• Low-Level Output Voltage: -0.5V to 0.8V
• Maximum Operating Frequency: 100 MHz
• Number of Channels: 2
• Input/Output Capacitance: 4 pF
• Propagation Delay: 2.7 ns

Detailed Pin Configuration

The SN74AVC2T45YEPR has the following pin configuration:

1. A1 - Channel 1 Data Input/Output
2. GND - Ground
3. A2 - Channel 2 Data Input/Output
4. OE - Output Enable
5. VCC - Power Supply
6. B2 - Channel 2 Data Input/Output
7. GND - Ground
8. B1 - Channel 1 Data Input/Output

Functional Features

• Bi-directional voltage level shifting
• Automatic direction sensing
• Wide supply voltage range
• Low power consumption
• High-speed operation
• ESD protection on all pins

Advantages and Disadvantages

Advantages: - Allows interfacing between circuits with different voltage levels - Automatic direction sensing simplifies circuit design - Wide supply voltage range enables compatibility with various systems - Low power consumption helps conserve energy - High-speed operation facilitates fast data transfer - ESD protection ensures robustness

Disadvantages: - Limited to 2 channels - Maximum operating frequency may not be sufficient for some high-speed applications

Working Principles

The SN74AVC2T45YEPR is a bi-directional voltage level shifter that translates signals between two different voltage domains. It automatically senses the direction of the signal and adjusts the voltage levels accordingly. The device operates within a wide supply voltage range, allowing it to interface with circuits powered by different voltages. It consumes low power and provides high-speed operation, making it suitable for various applications.

Detailed Application Field Plans

The SN74AVC2T45YEPR can be used in a wide range of applications, including:

1. Communication Systems: Facilitates level shifting between different communication protocols, such as UART, SPI, and I2C.
2. Microcontroller Interfacing: Enables communication between microcontrollers operating at different voltage levels.
3. Battery-Powered Devices: Allows integration of components with different voltage requirements in portable electronics.
4. Sensor Networks: Translates signals from sensors with varying voltage outputs to a common voltage level for processing.
5. Industrial Automation: Interfaces between control systems and field devices operating at different voltage levels.

Detailed and Complete Alternative Models

1. SN74LVC2T45DCTR: Similar functionality with a different package (8-pin TSSOP)
2. SN74HCT245N: Octal bus transceiver with similar voltage level shifting capabilities
3. TXB0102: Dual bidirectional voltage-level translator with automatic direction sensing

These alternative models offer similar features and can be considered based on specific application requirements.

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