Overview
The TXS0102DQER from Texas Instruments is a 2-bit bidirectional voltage-level translator designed for both open-drain and push-pull applications. This device is part of TI's 'Switch' type voltage translator family and is known for its auto-direction-sensing capability, eliminating the need for a direction-control signal. It supports voltage translation between two different voltage domains, making it versatile for various electronic systems.
Key Specifications
| Parameter | Value |
|---|---|
| Voltage Range (VCCA) | 1.65 V to 3.6 V |
| Voltage Range (VCCB) | 2.3 V to 5.5 V |
| Maximum Data Rate (Push-Pull) | 24 Mbps |
| Maximum Data Rate (Open-Drain) | 2 Mbps |
| Operating Temperature | -40°C to 85°C |
| Package Type | X2SON-8 |
| Internal Pullup Resistors | 10 kΩ on each I/O |
Key Features
- No direction-control signal needed due to auto-direction-sensing architecture.
- Supports both push-pull and open-drain applications.
- Integrated 10 kΩ pullup resistors on each I/O.
- Edge-rate accelerator circuitry to improve data rates.
- Enable (OE) input to disable the device and place all I/Os in the Hi-Z state.
Applications
The TXS0102DQER is suitable for a variety of applications where voltage translation between different voltage domains is necessary. These include:
- Interface translation between different voltage logic levels in microcontrollers, FPGAs, and other digital systems.
- Level shifting in mixed-voltage systems.
- Open-drain and push-pull bus translation.
- General-purpose voltage translation in embedded systems.
Q & A
- What is the primary function of the TXS0102DQER?
The primary function is to perform bidirectional voltage-level translation between two different voltage domains. - What types of applications does the TXS0102DQER support?
It supports both open-drain and push-pull applications. - What is the maximum data rate for push-pull operations?
The maximum data rate for push-pull operations is 24 Mbps. - What is the maximum data rate for open-drain operations?
The maximum data rate for open-drain operations is 2 Mbps. - Does the TXS0102DQER require a direction-control signal?
No, it does not require a direction-control signal due to its auto-direction-sensing architecture. - What is the operating temperature range of the TXS0102DQER?
The operating temperature range is -40°C to 85°C. - What type of package does the TXS0102DQER come in?
The TXS0102DQER comes in an X2SON-8 package. - Are there internal pullup resistors on the TXS0102DQER?
Yes, there are internal 10 kΩ pullup resistors on each I/O. - How can the TXS0102DQER be disabled?
The device can be disabled by setting the OE input low, which places all I/Os in the Hi-Z state. - What is the purpose of the edge-rate accelerator circuitry?
The edge-rate accelerator circuitry is used to detect and accelerate rising edges on the A or B ports, improving the overall data rate.
