Overview
The TXS0102DCTR is a 2-bit bidirectional voltage-level translator produced by Texas Instruments. This component is designed to establish digital switching compatibility between mixed-voltage systems, supporting 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. It is particularly useful for translating logic signals between different voltage nodes such as 1.8 V, 2.5 V, 3.3 V, and 5 V.
The device is packaged in an 8-pin SSOP (DCT) package and operates over a temperature range of -40°C to 85°C. It does not require a direction-control signal, making it versatile for various applications.
Key Specifications
| Parameter | Value |
|---|---|
| Package | SSOP-8 |
| Pins | 8 |
| Operating Temperature Range (°C) | -40 to 85 |
| Voltage Range on A Port (V) | 1.65 to 3.6 |
| Voltage Range on B Port (V) | 2.3 to 5.5 |
| Maximum Data Rate (Push-Pull, Mbps) | 24 |
| Maximum Data Rate (Open-Drain, Mbps) | 2 |
| ESD Protection (Human-Body Model, kV) | A Port: 2.5, B Port: 8 |
| ESD Protection (Machine Model, V) | A Port: 250, B Port: 250 |
| ESD Protection (Charged-Device Model, V) | A Port: 1500, B Port: 1500 |
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 configurations.
- 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.
- 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.
- Latch-up performance exceeds 100 mA per JESD 78, Class II.
- Integrated 10-kΩ pullup resistors for open-drain applications.
Applications
The TXS0102DCTR is suitable for a variety of applications where bidirectional voltage translation is necessary, such as:
- Mixed-voltage system designs where different logic levels need to be translated.
- Interface between microcontrollers, FPGAs, and other ICs operating at different voltage levels.
- Industrial control systems, medical devices, and consumer electronics requiring voltage level translation.
- Automotive systems where multiple voltage domains are present.
Q & A
- What is the primary function of the TXS0102DCTR?
The primary function of the TXS0102DCTR is to act as a 2-bit bidirectional voltage-level translator, enabling digital switching compatibility between mixed-voltage systems.
- What are the operating voltage ranges for the A and B ports?
The A ports operate from 1.65 V to 3.6 V, and the B ports operate 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 TXS0102DCTR require a direction-control signal?
No, the TXS0102DCTR does not require a direction-control signal for data flow.
- What is the ESD protection level for the A and B ports?
The ESD protection levels are 2.5 kV for the A port and 8 kV for the B port under the Human-Body Model.
- What is the operating temperature range of the TXS0102DCTR?
The operating temperature range is -40°C to 85°C.
- Does the TXS0102DCTR support partial-power-down mode operation?
- What type of package does the TXS0102DCTR come in?
The TXS0102DCTR comes in an 8-pin SSOP (DCT) package.
- What are some common applications for the TXS0102DCTR?
- Does the TXS0102DCTR require power-supply sequencing?
No, the TXS0102DCTR does not require power-supply sequencing; either VCCA or VCCB can be ramped first.
