Overview
The Texas Instruments TXB0104DR is a versatile 4-bit bidirectional voltage-level translator designed to facilitate seamless communication between different voltage levels. This device operates with two separate configurable power-supply rails, allowing it to translate signals between various voltage nodes ranging from 1.2V to 5.5V. The TXB0104DR is particularly useful in applications requiring fast and reliable signal conversion, such as digital signal processing, industrial automation, and consumer electronics. It is packaged in a 14-pin SOIC (D) package and is RoHS compliant, ensuring environmental sustainability.
Key Specifications
| Parameter | Value | Parameter | Value |
|---|---|---|---|
| Technology Family | TXB | Bits (#) | 4 |
| High Input Voltage (min) (V) | 0.78 | High Input Voltage (max) (V) | 5.5 |
| Vout (min) (V) | 1.2 | Vout (max) (V) | 5.5 |
| IOH (max) (mA) | -0.02 | IOL (max) (mA) | 0.02 |
| Supply Current (max) (µA) | 10 | Data Rate (max) (MBps) | 100 |
| Input Type | Standard CMOS | Output Type | 3-State, CMOS, Push-Pull |
| Package | SOIC-14 | Temperature Range | -40°C to 85°C |
| ESD Protection | ±15 kV Human-Body Model (A114-B), 1500 V Charged-Device Model (C101) |
Key Features
- Operates with two separate configurable power-supply rails: VCCA (1.2V to 3.6V) and VCCB (1.65V to 5.5V).
- Automatic direction sensing for bidirectional translation.
- VCC isolation feature: if either VCC input is at GND, all outputs are in the high-impedance state.
- Output enable (OE) input circuit referenced to VCCA.
- Low power consumption: 5-µA maximum ICC.
- Supports partial power-down mode operation (Ioff).
- Latch-up performance exceeds 100 mA per JESD 78, Class II.
- ESD protection exceeds JESD 22 standards.
- High-speed data transfer with a propagation delay of 4.9 ns.
Applications
- Digital signal processing.
- Industrial automation.
- Data communication (e.g., I2S, JTAG, SPI, UART).
- Consumer electronics.
- Interfacing between different devices and components in a system.
Q & A
- What is the TXB0104DR?
The TXB0104DR is a 4-bit bidirectional voltage-level translator designed to provide seamless communication between different voltage levels.
- What are the operating voltage ranges for the TXB0104DR?
The device operates with VCCA from 1.2V to 3.6V and VCCB from 1.65V to 5.5V.
- What is the package type of the TXB0104DR?
The TXB0104DR is packaged in a 14-pin SOIC (D) package.
- What is the maximum data rate supported by the TXB0104DR?
The device supports a maximum data rate of 100 Mbps.
- Does the TXB0104DR support partial power-down mode?
Yes, the TXB0104DR supports partial power-down mode operation (Ioff).
- What is the ESD protection level of the TXB0104DR?
The device has ESD protection exceeding ±15 kV Human-Body Model (A114-B) and 1500 V Charged-Device Model (C101).
- Is the TXB0104DR RoHS compliant?
Yes, the TXB0104DR is RoHS compliant.
- What is the temperature range for the TXB0104DR?
The device operates within a temperature range of -40°C to 85°C.
- How does the VCC isolation feature work?
If either VCC input is at GND, all outputs are placed in the high-impedance state.
- What is the purpose of the output enable (OE) input?
The OE input, referenced to VCCA, allows the outputs to be placed in a high-impedance state when OE is low.
