Overview
The TXB0106RGYR is a 6-bit bidirectional voltage-level translator produced by Texas Instruments. This device is designed to facilitate communication between systems operating at different voltage levels, making it a versatile component for various electronic applications. The TXB0106RGYR features auto-direction sensing, eliminating the need for a direction-control signal, and supports a wide range of voltage levels on both its A and B ports.
The device is fully specified for partial-power-down applications and includes Ioff circuitry to prevent damaging current backflow when powered down. It also has built-in ESD protection and is suitable for use in environments with temperatures ranging from –40°C to 85°C.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| VCCA Supply Voltage Range | –0.5 | 4.6 | V | |
| VCCB Supply Voltage Range | –0.5 | 6.5 | V | |
| Input Voltage Range (VI) | –0.5 | 6.5 | V | |
| Output Voltage Range (VO) | –0.5 | 6.5 | V | |
| Continuous Output Current (IO) | ±50 | mA | ||
| Data Rate | 70 to 100 | Mbps | ||
| Pulse Duration (tw) | 10 | 14 | ns | |
| Output Enable Time (ten) | 1 | 1 | μs | |
| Output Disable Time (tdis) | 4.1 | 17.3 | ns | |
| A-Port Rise and Fall Times (trA, tfA) | 0.5 | 4.4 | ns | |
| B-Port Rise and Fall Times (trB, tfB) | 0.6 | 5.1 | ns |
Key Features
- Auto-Direction Sensing: The TXB0106RGYR does not require a direction-control signal, allowing for bidirectional data flow without manual control.
- Wide Voltage Range: Supports voltage levels from 1.2 V to 3.6 V on the A port and from 1.65 V to 5.5 V on the B port.
- Partial Power-Down Capability: Includes Ioff circuitry to prevent backflow current when the device is powered down.
- ESD Protection: Built-in ESD protection up to ±15 kV.
- High-Impedance State: Outputs can be placed in a high-impedance state when the OE input is low.
- Low Output Impedance: Typical output impedance ranges from 40 Ω to 70 Ω depending on the VCCO voltage.
- Capacitive Load Drive Capability: Can drive capacitive loads up to 70 pF.
Applications
The TXB0106RGYR is suitable for various applications requiring level translation between different voltage domains. These include:
- Interfacing Different Voltage Systems: Ideal for connecting devices or systems operating at different voltage levels.
- Embedded Systems: Useful in embedded systems where multiple voltage levels are present.
- Industrial Automation: Can be used in industrial automation systems to translate signals between different voltage levels.
- Consumer Electronics: Suitable for consumer electronics that require communication between components operating at different voltages.
Q & A
- What is the voltage range supported by the A and B ports of the TXB0106RGYR?
The A port supports voltages from 1.2 V to 3.6 V, and the B port supports voltages from 1.65 V to 5.5 V.
- Does the TXB0106RGYR require a direction-control signal for data flow?
No, the TXB0106RGYR features auto-direction sensing and does not require a direction-control signal.
- What is the maximum data rate supported by the TXB0106RGYR?
The device supports data rates up to 100 Mbps.
- How does the TXB0106RGYR handle power-down scenarios?
The device includes Ioff circuitry to prevent damaging current backflow when powered down.
- What is the typical output impedance of the TXB0106RGYR?
The typical output impedance ranges from 40 Ω to 70 Ω depending on the VCCO voltage.
- Can the TXB0106RGYR drive capacitive loads?
Yes, it can drive capacitive loads up to 70 pF.
- What is the purpose of the OE input on the TXB0106RGYR?
The OE input is used to disable the device by setting it low, which places all I/Os in the high-impedance state.
- What kind of ESD protection does the TXB0106RGYR have?
The device has built-in ESD protection up to ±15 kV.
- What are the operating temperature ranges for the TXB0106RGYR?
The device operates within a temperature range of –40°C to 85°C.
- Can pull-up or pull-down resistors be used with the TXB0106RGYR?
Yes, but their values must be kept higher than 50 kΩ to avoid contention with the output drivers.
