Overview
The TXU0304BQAR is a 4-bit, dual-supply noninverting fixed direction voltage level translation device produced by Texas Instruments. This device is designed to facilitate voltage level translation between two different voltage domains, making it suitable for a variety of applications where signal integrity and compatibility are crucial. The TXU0304BQAR allows each port to operate from 1.1 V to 5.5 V, enabling flexible integration into diverse system architectures.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Supply Voltage (VCCA and VCCB) | 1.1 to 5.5 | V |
| Input Voltage Range | –0.5 to 6.5 | V |
| Operating Temperature | –40 to 125 | °C |
| Data Rate (3.3 V to 5.0 V) | Up to 200 Mbps | |
| Power Consumption (25°C) | 2.5 µA (max) | |
| Power Consumption (–40°C to 125°C) | 6 µA (max) | |
| Drive Strength (at 5 V) | Up to 12 mA | |
| Package Type | WQFN (14-pin) | |
| ESD Protection | 2500-V human-body model, 1500-V charged-device model |
Key Features
- Fully configurable dual-rail design allowing each port to operate from 1.1 V to 5.5 V
- Up to 200 Mbps support for 3.3 V to 5.0 V data transmission
- Schmitt-trigger inputs for handling slow and noisy inputs
- Inputs with integrated static pull-down resistors to prevent floating channels
- High drive strength (up to 12 mA at 5 V)
- Low power consumption with VCC isolation and VCC disconnect (Ioff-float) feature
- Control logic (OE) with VCC(MIN) circuitry allowing control from either A or B port
- ESD protection exceeding JESD 22 standards
Applications
- General purpose I/O level shifting
- Driving indicator LEDs or buzzers
- Debouncing mechanical switches
- Push-pull level shifting for protocols like UART, SPI, JTAG
- Eliminating slow or noisy input signals
Q & A
- What is the TXU0304BQAR used for?
The TXU0304BQAR is used for voltage level translation between two different voltage domains, ensuring signal integrity and compatibility in various applications. - What is the operating voltage range of the TXU0304BQAR?
The device operates from 1.1 V to 5.5 V on both VCCA and VCCB ports. - What is the maximum data rate supported by the TXU0304BQAR?
The device supports up to 200 Mbps data rate for 3.3 V to 5.0 V transmission. - How does the TXU0304BQAR handle slow or noisy inputs?
The device features Schmitt-trigger inputs to handle slow and noisy inputs effectively. - What is the power consumption of the TXU0304BQAR at 25°C?
The power consumption is 2.5 µA (maximum) at 25°C. - Does the TXU0304BQAR have ESD protection?
Yes, it has ESD protection exceeding JESD 22 standards. - What is the package type of the TXU0304BQAR?
The device is packaged in a 14-pin WQFN (Quad Flat No-Lead) package. - How does the VCC isolation and VCC disconnect feature work?
If either VCC input is less than 100 mV or disconnected, all outputs are disabled and become high-impedance. - Can the TXU0304BQAR be used in high-temperature environments?
Yes, it operates from –40°C to 125°C. - What are some common applications of the TXU0304BQAR?
Common applications include general purpose I/O level shifting, driving LEDs or buzzers, debouncing mechanical switches, and push-pull level shifting for protocols like UART, SPI, JTAG.
