SN74AVC1T45DCKTG4

Product Overview

• Category: Integrated Circuit
• Use: Level Shifter and Voltage Translator
• Characteristics: Single-bit, Dual Supply, Bidirectional
• Package: SC-70 (6-Pin)
• Essence: Translates signals between different voltage levels
• Packaging/Quantity: Tape and Reel, 3000 pieces 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: VCC - 0.5V
• Low-Level Output Voltage: 0.5V
• Maximum Data Rate: 100 Mbps
• Operating Temperature Range: -40°C to 85°C

Detailed Pin Configuration

1. A Port (Input/Output)
2. B Port (Input/Output)
3. VCCA (Supply Voltage for A Port)
4. GND (Ground)
5. OE (Output Enable)
6. VCCB (Supply Voltage for B Port)

Functional Features

• Bidirectional level shifting between two voltage domains
• Supports translation between voltages as low as 1.65V and as high as 3.6V
• Automatic direction control based on the voltage level of OE pin
• Low power consumption
• Fast data rate up to 100 Mbps

Advantages

• Small package size allows for space-efficient designs
• Wide supply voltage range enables compatibility with various systems
• Bidirectional functionality simplifies circuit design
• Automatic direction control eliminates the need for additional control signals
• High-speed data transmission capability

Disadvantages

• Limited to single-bit translation, not suitable for multi-bit applications
• Relatively higher cost compared to non-bidirectional level shifters
• May introduce slight signal degradation due to voltage translation

Working Principles

The SN74AVC1T45DCKTG4 is a bidirectional level shifter and voltage translator integrated circuit. It operates by monitoring the voltage level of the OE pin, which controls the direction of data transmission. When OE is high, the A port is connected to the B port, allowing data to be translated from one voltage domain to another. Conversely, when OE is low, the A and B ports are isolated, preventing any data transfer.

The device utilizes a combination of MOSFETs and control logic to achieve bidirectional voltage translation while minimizing power consumption. The input and output voltage levels are compatible with a wide range of systems, making it suitable for various applications.

Detailed Application Field Plans

The SN74AVC1T45DCKTG4 can be used in a variety of applications where voltage translation between different domains is required. Some potential application fields include:

1. IoT Devices: Enables communication between low-voltage sensors and microcontrollers operating at higher voltages.
2. Battery-Powered Systems: Facilitates data exchange between battery-powered devices and other components running on different supply voltages.
3. Communication Interfaces: Allows for signal translation between different voltage levels in serial communication interfaces such as UART, SPI, or I2C.
4. Industrial Automation: Supports voltage translation in industrial control systems where different subsystems operate at distinct voltage levels.

Detailed and Complete Alternative Models

1. TXS0108E: 8-bit bidirectional voltage-level translator with automatic direction control.
2. PCA9306: Dual bidirectional I2C-bus and SMBus voltage-level translator.
3. SN74LVC1T45: Single-bit dual-supply bus transceiver and voltage-level translator.

These alternative models offer similar functionality and can be considered as alternatives to the SN74AVC1T45DCKTG4 based on specific application requirements.

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