The ST2129 is a 2-bit dual supply level translator from ST, which provides the level shifting capability to allow data transfer in a multi-voltage system. Externally applied voltages, VCC and VL, set the logic levels on either side of the device. Its architecture allows bidirectional level translation without a control pin. The ST2129 accepts VL from 1.65 to 3.6 V and VCC from 1.65 to 5.5 V, making it ideal for data transfer between low-voltage ASICs/PLD and higher voltage systems. This device has a tri-state output mode which can be used to disable all I/Os. When VCC is grounded/floating or when the device is disabled via the OE pin, the ST2129 supports power-down mode.
The ST2129 is a 2-bit dual supply level translator designed to facilitate data transfer in multi-voltage systems. It allows bidirectional level translation between low-voltage ASICs/PLDs and higher voltage systems without requiring a direction control pin. The device supports a wide voltage range for both input and output supplies and includes a power-down mode to disable all I/Os when the supply is off.
| Data rate | 84 Mbps (max) |
|---|---|
| Vec supply voltage range | 1.65 to 5.5 V |
| Package type | QFN10 (1.8 x 1.4 mm) |
| ESD performance | +2 kV HBM |
| Operating temperature | -40 to 85 C |
No, the device provides bidirectional level translation without a direction control pin.
The maximum data rate is 84 Mbps at a supply voltage of 1.8V.
All I/Os automatically enter a high impedance state.