NTS0102GF,115

Translators, Level Shifters Overview

The NTS0102GF,115 is a dual-supply translating transceiver with auto direction sensing. It features two 2-bit input-output ports (An and Bn), one output enable input (OE), and two supply pins (VCC(A) and VCC(B)). VCC(A) operates between 1.65 V and 3.6 V, while VCC(B) operates between 2.3 V and 5.5 V. The device supports bidirectional voltage level translation between nodes such as 1.8 V, 2.5 V, 3.3 V, and 5.0 V. Pins An and OE are referenced to VCC(A), and pins Bn are referenced to VCC(B). A LOW level at pin OE causes the outputs to assume a high-impedance OFF-state.

Translators, Level Shifters Feature Summary

• Auto direction sensing enables bidirectional voltage level translation without requiring an extra control signal for data flow direction.
• IOFF circuitry provides partial power-down mode operation by disabling outputs to prevent damaging backflow current when powered down.
• Inputs accept voltages up to 5.5 V, allowing compatibility across different voltage domains.
• ESD protection exceeds specified thresholds for HBM and CDM standards on both ports.

Translators, Level Shifters Applications

• I2C/SMBus
• UART
• GPIO

Translators, Level Shifters Procurement Notes

Verify the ordering suffix

Translators, Level Shifters Selection Notes

Select this component for point-to-point applications interfacing devices operating at different supply voltages. It is primarily targeted at I2C or 1-wire applications using open-drain drivers. While it can be used with push-pull drivers, other models may be more suitable for those specific cases. Ensure VCC(A) does not exceed VCC(B) during normal operation, though power-up sequencing is flexible.

Translators, Level Shifters Part Context

The NTS0102 belongs to the NTS0102 series of logic ICs under the Voltage Level Translation subcategory. The GF variant specifically denotes an XSON8 package (SOT1089) with dimensions 1.35 x 1 x 0.5 mm. This series includes multiple package options such as TSSOP8 and various XSON8 configurations to suit different board space requirements.

Translators, Level Shifters Replacement Considerations

The NTS0102TLH is listed as a drop-in replacement for the NTS0102GD. The TL package has a center pad that is not electrically connected to the silicon, allowing it to replace the GD package on existing PCB layouts if no traces exist underneath the pad area.

Translators, Level Shifters FAQ

How does the device handle direction sensing?

The NTS0102 employs an architecture with pass-gate transistors and edge-rate accelerators that automatically detect the direction of data flow from port A to B or B to A without requiring an external direction control signal.

What happens to the outputs when either supply voltage is at GND?

When either VCC(A) or VCC(B) is at GND level, the device enters power-down mode, and the IOFF circuitry disables all output ports to prevent backflow current.