Overview
The TXS0102DQMR is a 2-bit bidirectional voltage-level translator produced by Texas Instruments. This device is specifically designed for translating logic voltage levels between different voltage nodes, making it highly versatile in various electronic systems. It operates without the need for a direction-control signal, allowing for automatic sensing and translation of data flow between the A and B ports. The device supports voltage ranges from 1.65 V to 3.6 V on the A port and from 2.3 V to 5.5 V on the B port, making it suitable for a wide range of applications involving different voltage domains.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Manufacturer | Texas Instruments | |
| Package Type | X2SON-8 | |
| Number of Bits | 2 | |
| Number of Channels | 2 | |
| Number of Inputs | 2 | |
| Number of Outputs | 2 | |
| Number of Pins | 8 | |
| Logic Function | Translator | |
| Propagation Delay | 165 ns | ns |
| Data Rate (Push-Pull) | 24 Mbps | Mbps |
| Data Rate (Open-Drain) | 2 Mbps | Mbps |
| Low Level Output Current | 1 mA | mA |
| High Level Output Current | -20 µA | µA |
| Min Operating Temperature | -40 °C | °C |
| Max Operating Temperature | 85 °C | °C |
| Min Supply Voltage | 1.65 V | V |
| Max Supply Voltage | 5.5 V | V |
| Quiescent Current | 14.4 µA | µA |
| RoHS Compliance | Yes | |
| Lead Free | Yes |
Key Features
- No direction-control signal needed for data flow between A and B ports.
- Maximum data rates of 24 Mbps for push-pull and 2 Mbps for open-drain configurations.
- Supports voltage translation between 1.65 V to 3.6 V on the A port and 2.3 V to 5.5 V on the B port.
- Integrated 10-kΩ pullup resistors for open-drain applications, eliminating the need for external resistors.
- Edge-rate accelerators (one-shots) to improve data rate and signal integrity.
- Output-enable (OE) input to place all I/Os in a high-impedance state when low.
- Compact X2SON-8 package with dimensions of 1.8 mm x 1.2 mm.
- RoHS compliant and lead-free.
Applications
- Voltage translation in mixed-voltage systems, such as those involving microcontrollers, FPGAs, and other logic devices operating at different voltage levels.
- Open-drain and push-pull CMOS logic output translation.
- Automotive and industrial control systems requiring robust voltage translation.
- Consumer electronics and IoT devices needing efficient and compact voltage translation solutions.
- Embedded systems and board-level designs where space and power efficiency are critical.
Q & A
- What is the primary function of the TXS0102DQMR?
The primary function of the TXS0102DQMR is to translate logic voltage levels between different voltage domains without the need for a direction-control signal.
- What are the supported voltage ranges for the A and B ports?
The A port supports voltages from 1.65 V to 3.6 V, and the B port supports voltages from 2.3 V to 5.5 V.
- What are the maximum data rates for push-pull and open-drain configurations?
The maximum data rates are 24 Mbps for push-pull and 2 Mbps for open-drain configurations.
- Does the TXS0102DQMR require external pullup resistors for open-drain applications?
No, the device has integrated 10-kΩ pullup resistors, eliminating the need for external resistors.
- How does the output-enable (OE) input function?
The OE input places all I/Os in a high-impedance state when set low, and enables the device when set high.
- What is the package type and dimensions of the TXS0102DQMR?
The package type is X2SON-8, with dimensions of 1.8 mm x 1.2 mm.
- What are some common applications for the TXS0102DQMR?
- How does the edge-rate accelerator (one-shot) circuitry improve the device's performance?
- What are the thermal considerations for the TXS0102DQMR?
