Overview
The TXU0202DCUR, produced by Texas Instruments, is a 2-bit, dual-supply noninverting fixed direction voltage level translator. This device is designed to facilitate voltage level translation between two different voltage domains, making it highly versatile for various electronic systems. The TXU0202DCUR supports input voltages ranging from 1.1 V to 5.5 V on both A and B ports, allowing for flexible integration into diverse voltage environments. It features a fully configurable dual-rail design and supports data transmission rates up to 200 Mbps for 3.3 V to 5.0 V applications.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| VCCA Supply Voltage | -0.5 | 6.5 | V | |
| VCCB Supply Voltage | -0.5 | 6.5 | V | |
| Input Voltage (VI) | 1.1 | 5.5 | V | |
| High-Level Output Voltage (VOH) at IOH = -0.1 mA | VCCO - 0.1 | V | ||
| Propagation Delay (tpd) at VCCA = 3.3 V, VCCB = 3.3 V | 0.5 | 69 | ns | |
| Operating Temperature (TA) | -40 | 125 | °C | |
| Junction-to-Ambient Thermal Resistance (RθJA) | 257.0 | °C/W |
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 applications.
- 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 – 2.5 µA maximum at 25°C and 6 µA maximum from -40°C to 125°C.
- VCC isolation and VCC disconnect (Ioff-float) feature to disable outputs when either VCC input is below 100 mV or disconnected.
- Ioff supports partial-power-down mode operation.
- Control logic (OE) with VCC(MIN) circuitry allowing control from either A or B port.
- Pinout compatible with TXB family level shifters.
- ESD protection exceeding JESD 22 – 2500-V human-body model and 1500-V charged-device model.
Applications
- Eliminating slow or noisy input signals.
- Driving indicator LEDs or buzzers.
- Debouncing mechanical switches.
- General-purpose I/O level shifting.
- Push-pull level shifting for protocols like UART, SPI, JTAG, etc.
Q & A
- What is the voltage range supported by the TXU0202DCUR?
The TXU0202DCUR supports input voltages ranging from 1.1 V to 5.5 V on both A and B ports.
- What is the maximum data transmission rate supported by the TXU0202DCUR?
The device supports up to 200 Mbps for 3.3 V to 5.0 V applications.
- What type of inputs does the TXU0202DCUR have?
The device features Schmitt-trigger inputs to handle slow and noisy inputs.
- How does the TXU0202DCUR manage power consumption?
The device has low power consumption, with a maximum of 2.5 µA at 25°C and 6 µA from -40°C to 125°C.
- What is the VCC isolation feature in the TXU0202DCUR?
The VCC isolation and VCC disconnect (Ioff-float) feature disables all outputs and makes them high-impedance if either VCC input is below 100 mV or disconnected.
- Is the TXU0202DCUR ESD protected?
Yes, the device has ESD protection exceeding JESD 22 – 2500-V human-body model and 1500-V charged-device model.
- What are some common applications of the TXU0202DCUR?
Common applications include eliminating slow or noisy input signals, driving indicator LEDs or buzzers, debouncing mechanical switches, and general-purpose I/O level shifting.
- Is the TXU0202DCUR compatible with other Texas Instruments devices?
Yes, the TXU0202DCUR is pinout compatible with the TXB family level shifters.
- What is the operating temperature range of the TXU0202DCUR?
The device operates over a temperature range from -40°C to 125°C.
- How does the control logic (OE) work in the TXU0202DCUR?
The control logic (OE) can be referenced to either VCCA or VCCB logic levels, allowing control from either A or B port.
