This 6-bit noninverting translator uses two separate configurable power-supply rails. The A port is designed to track VCCA. VCCA accepts any supply voltage from 1.2 V to 3.6 V. The B port is designed to track VCCB. VCCB accepts any supply voltage from 1.65 V to 5.5 V. This allows for universal low-voltage bidirectional translation between any of the 1.2 V, 1.5 V, 1.8 V, 2.5 V, 3.3 V, and 5 V voltage nodes. VCCA should not exceed VCCB.
When the output-enable (OE) input is low, all outputs are placed in the high-impedance state.
The TXB0106 is designed so that the OE input circuit is supplied by VCCA.
This device is fully specified for partial-power-down applications using Ioff. The Ioff circuitry disables the outputs, preventing damaging current backflow through the device when it is powered down.
To ensure the high-impedance state during power up or power down, OE should be tied to GND through a pulldown resistor; the minimum value of the resistor is determined by the current-sourcing capability of the driver.
| Technology family | TXB |
| Applications | SPI |
| Bits (#) | 6 |
| Data rate (max) (Mbps) | 100 |
| 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 |
| Features | Edge rate accelerator, Integrated pullup resistors, Output enable, Partial power down (Ioff), Vcc isolation |
| Input type | Standard CMOS |
| Output type | 3-State, CMOS, Push-Pull |
| Rating | Catalog |
| Operating temperature range (°C) | -40 to 85 |
| TSSOP (PW) | 16 | 32 mm² 5 x 6.4 |
| VQFN (RGY) | 16 | 14 mm² 4 x 3.5 |
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