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1 General description

The NTS0102 is a 2-bit, dual supply translating transceiver with auto direction sensing, that enables

bidirectional voltage level translation. 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) can be supplied at any voltage between 1.65 V and 3.6 V and VCC(B) can be supplied at any voltage between 2.3 V and 5.5 V, making the device suitable for translating between any of the voltage nodes (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 highimpedance OFF-state. This device is fully specified for partial power-down applications using IOFF. The IOFF circuitry disables the output, preventing the damaging backflow current through the device when it is powered down.

2 Features and benefits

? Wide supply voltage range:

– VCC(A): 1.65 V to 3.6 V and VCC(B): 2.3 V to 5.5 V

? Maximum data rates:

– Push-pull: 50 Mbit/s

? IOFF circuitry provides partial Power-down mode operation

? Inputs accept voltages up to 5.5 V

? ESD protection:

– HBM JESD22-A114E Class 2 exceeds 2500 V for A port

– HBM JESD22-A114E Class 3B exceeds 8000 V for B port

– CDM JESD22-C101E exceeds 1500 V

? Latch-up performance exceeds 100 mA per JESD 78B Class II

? Multiple package options

? Specified from –40 °C to +85 °C and -40 °C to +125 °C

3 Applications

? I2C/SMBus

? UART

? GPIO