SN74AVC1T45DBVRG4

Product Overview

• Category: Integrated Circuit
• Use: Level Shifter and Voltage Translator
• Characteristics: Single-Bit Dual-Supply Bus Transceiver
• Package: SOT-23 (Thin Shrink Small Outline)
• Essence: Bi-directional voltage level shifting and translation
• Packaging/Quantity: Tape and Reel, 3000 pieces per reel

Specifications

• Supply Voltage Range: 1.65V to 3.6V
• High-Level Input Voltage: 2V to VCCA + 0.5V
• Low-Level Input Voltage: -0.5V to 0.8V
• High-Level Output Voltage: VCCB - 0.5V to VCCB
• Low-Level Output Voltage: 0V to 0.5V
• Maximum Data Rate: 100 Mbps
• Operating Temperature Range: -40°C to 85°C

Detailed Pin Configuration

The SN74AVC1T45DBVRG4 has the following pin configuration:

1. A1 - Input/Output Terminal A
2. GND - Ground
3. B1 - Input/Output Terminal B
4. OE - Output Enable
5. VCCA - Supply Voltage for Terminal A
6. VCCB - Supply Voltage for Terminal B

Functional Features

• Bi-directional voltage level shifting between two different supply voltages.
• Supports bidirectional data transfer between systems with different voltage levels.
• Provides voltage translation for open-drain and push-pull applications.
• Allows control of directionality through the OE (Output Enable) pin.

Advantages and Disadvantages

Advantages: - Compact SOT-23 package allows for space-efficient designs. - Wide supply voltage range enables compatibility with various systems. - High-speed data transfer capability up to 100 Mbps. - Bi-directional functionality simplifies circuit design.

Disadvantages: - Limited to single-bit data transmission. - Not suitable for applications requiring higher data rates. - May require additional components for level shifting in complex systems.

Working Principles

The SN74AVC1T45DBVRG4 is a voltage level shifter and translator that enables bidirectional communication between systems operating at different voltage levels. It utilizes a combination of MOSFETs and control logic to ensure proper voltage translation.

When the OE pin is low, the device is enabled, allowing bidirectional data transfer between Terminal A and Terminal B. The direction of data flow is determined by the voltage levels applied to VCCA and VCCB. The device automatically adjusts the voltage levels to match the respective supply voltages.

Detailed Application Field Plans

The SN74AVC1T45DBVRG4 finds application in various scenarios where voltage level shifting and translation are required. Some common application fields include:

1. IoT Devices: Facilitates communication between low-voltage sensors and microcontrollers operating at higher voltages.
2. Battery-Powered Systems: Enables data exchange between battery-powered devices and other components with different voltage requirements.
3. Communication Interfaces: Allows interfacing between systems using different voltage standards, such as UART, I2C, or SPI.
4. Industrial Automation: Supports voltage translation in industrial control systems, PLCs, and sensor networks.

Detailed and Complete Alternative Models

1. TXS0108E: 8-Bit Bidirectional Voltage-Level Translator
2. PCA9306: Dual Bidirectional I2C Bus and SMBus Voltage-Level Translator
3. SN74LVC1T45: Single-Bit Dual-Supply Bus Transceiver with Configurable Voltage Translation

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

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