Overview
The TXS0102DCURG4 is a 2-bit bidirectional voltage-level translator produced by Texas Instruments. This device is designed to establish digital switching compatibility between mixed-voltage systems, allowing for seamless communication between different voltage levels. It supports operating voltages from 1.65 V to 3.6 V on the A ports and from 2.3 V to 5.5 V on the B ports, making it versatile for various logic signal levels including 1.8 V, 2.5 V, 3.3 V, and 5 V nodes.
Key Specifications
| Parameter | Value |
|---|---|
| Package | VSSOP (DCU), 8 pins |
| Operating Temperature Range | -40°C to 85°C |
| Supply Voltage (VCCA) | 1.65 V to 3.6 V |
| Supply Voltage (VCCB) | 2.3 V to 5.5 V |
| Maximum Data Rates | 24 Mbps (push-pull), 2 Mbps (open-drain) |
| ESD Protection | A port: 2500-V Human-Body Model, 250-V Machine Model, 1500-V Charged-Device Model B port: 8-kV Human-Body Model, 250-V Machine Model, 1500-V Charged-Device Model |
| Latch-up Performance | Exceeds 100 mA per JESD 78, Class II |
| Package Dimensions | 2.30 mm × 2.00 mm |
Key Features
- No direction-control signal needed for data flow.
- Maximum data rates of 24 Mbps for push-pull and 2 Mbps for open-drain applications.
- Available in Texas Instruments NanoStar™ integrated circuit package.
- VCC isolation feature: if either VCC input is at GND, both ports are in the High-Impedance state.
- No power-supply sequencing required: either VCCA or VCCB can be ramped first.
- Ioff supports partial-power-down mode operation.
- Integrated 10 kΩ pullup resistors for open-drain applications.
- Auto-direction-sensing based translator architecture.
Applications
The TXS0102DCURG4 is suitable for a variety of applications where mixed-voltage systems need to communicate. These include:
- Mixed-voltage system interfaces.
- Mobile and consumer electronics.
- Industrial control systems.
- Automotive systems requiring voltage translation.
- Any system requiring bidirectional voltage-level translation between different logic levels.
Q & A
- What is the primary function of the TXS0102DCURG4?
The primary function of the TXS0102DCURG4 is to act as a 2-bit bidirectional voltage-level translator, enabling communication between mixed-voltage systems.
- What are the supported operating voltage ranges for the A and B ports?
The A ports support operating voltages from 1.65 V to 3.6 V, while the B ports support operating voltages from 2.3 V to 5.5 V.
- What are the maximum data rates for push-pull and open-drain applications?
The maximum data rates are 24 Mbps for push-pull and 2 Mbps for open-drain applications.
- Does the TXS0102DCURG4 require a direction-control signal?
No, the TXS0102DCURG4 does not require a direction-control signal due to its auto-direction-sensing based translator architecture.
- What is the operating temperature range of the TXS0102DCURG4?
The operating temperature range is -40°C to 85°C.
- What type of ESD protection does the TXS0102DCURG4 offer?
The device offers ESD protection exceeding 2500-V Human-Body Model, 250-V Machine Model, and 1500-V Charged-Device Model for the A port, and 8-kV Human-Body Model, 250-V Machine Model, and 1500-V Charged-Device Model for the B port.
- Does the TXS0102DCURG4 support partial-power-down mode operation?
- What package types are available for the TXS0102DCURG4?
The device is available in VSSOP (DCU) package with 8 pins, among other package options.
- Are there any integrated pullup resistors in the TXS0102DCURG4?
- What is the significance of VCC isolation feature in the TXS0102DCURG4?
The VCC isolation feature ensures that if either VCC input is at GND, both ports are in the High-Impedance state.
