TXB0108PWR

Product Overview

• Category: Integrated Circuit (IC)
• Use: Level Shifter
• Characteristics: Bidirectional, 8-bit, voltage level translation
• Package: TSSOP (Thin Shrink Small Outline Package)
• Essence: The TXB0108PWR is a bidirectional voltage level shifter IC designed to translate signals between different voltage domains.
• Packaging/Quantity: Available in tape and reel packaging with 2500 units per reel.

Specifications

• Voltage Range: 1.2V to 3.6V
• Data Rate: Up to 100 Mbps
• Number of Channels: 8
• Operating Temperature Range: -40°C to +85°C
• Supply Voltage: 1.65V to 3.6V
• Input/Output Capacitance: 5pF
• Propagation Delay: 4.5ns (Max)

Detailed Pin Configuration

The TXB0108PWR has a total of 20 pins, which are assigned as follows:

• VCCA: Supply voltage for side A
• VCCB: Supply voltage for side B
• GND: Ground connection
• OE: Output enable pin
• A1-A8: Input/output pins for side A
• B1-B8: Input/output pins for side B

Functional Features

• Bidirectional voltage level translation between two voltage domains
• Automatic direction sensing eliminates the need for direction control signals
• Supports high-speed data transmission up to 100 Mbps
• Low power consumption
• Provides ESD protection for robust operation

Advantages and Disadvantages

Advantages

• Easy integration into various systems due to its small form factor
• Simplifies interfacing between devices operating at different voltage levels
• Automatic direction sensing simplifies system design
• High-speed data transmission capability

Disadvantages

• Limited voltage range (1.2V to 3.6V)
• Propagation delay may affect real-time applications with strict timing requirements

Working Principles

The TXB0108PWR utilizes a voltage level translation technique based on a combination of MOSFETs and control logic. It automatically detects the direction of the signal and translates it between the two voltage domains. The bidirectional nature of the IC allows for seamless communication between devices operating at different voltage levels.

Detailed Application Field Plans

The TXB0108PWR is widely used in various applications that require voltage level translation, such as:

1. IoT Devices: Enables communication between low-voltage sensors and microcontrollers operating at higher voltages.
2. Consumer Electronics: Facilitates data transfer between devices with different voltage requirements, such as smartphones, tablets, and peripherals.
3. Industrial Automation: Allows for interoperability between industrial equipment operating at different voltage levels, enhancing system integration.
4. Embedded Systems: Simplifies interfacing between microcontrollers and peripheral devices, ensuring compatibility across different voltage domains.

Detailed and Complete Alternative Models

1. SN74LVCH8T245PW: Bidirectional voltage level shifter with similar specifications and package type.
2. PCA9306DCTR: Dual bidirectional I2C-bus and SMBus voltage level translator.
3. TXS0108EPWR: 8-bit bidirectional voltage-level translator with automatic direction sensing.

These alternative models offer similar functionality and can be considered as alternatives to the TXB0108PWR depending on specific application requirements.

In conclusion, the TXB0108PWR is a versatile bidirectional voltage level shifter IC that enables seamless communication between devices operating at different voltage domains. Its small form factor, automatic direction sensing, and high-speed data transmission capabilities make it suitable for a wide range of applications in various industries.