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1 General description

The P3A1604UK is a 4-bit, dual supply translating transceiver with auto direction sensing, that enables

bidirectional voltage level translation. It features four 1-bit input-output ports (A and B), one output enable input

(OE), and two supply pins (VCCA and VCCB). VCCA can be supplied at any voltage between 0.72 V and 1.98

V. VCCB can be supplied at any voltage between 1.62 V and 3.63 V. This flexibility makes the device suitable

for translating between any of the voltage nodes (0.8 V, 1.2 V, 1.8 V, 2.5 V, and 3.3 V). Pins A and OE are

referenced to VCCA and pin B is referenced to VCCB. A LOW level at pin OE causes the outputs to assume a

high-impedance OFF-state.

2 Features and benefits

? Auto direction sensing and bidirectional voltage level translation

? Wide supply voltage range:

– VCCA: 0.72 V to 1.98 V and VCCB: 1.62 V to 3.63 V

? No power-sequencing required

? Maximum data rate (DDR) per bit

– Open-drain: 6.8 Mbit/s (3.4 MHz)

– Push-pull: 40 Mbit/s (20 MHz)

? Support I3C/I2C/SMBus/SPI/UART interfaces

? Longer one-shot pulse for driving larger capacitive loads with much reduced ringing and overshoot

? A-side and OE inputs accept voltages up to 1.98 V

? B-side inputs accept voltages up to 3.63 V

? Electrostatic discharge (ESD) protection:

– Human body model (HBM) JESD22-A114E Class 2 exceeds 2000 V

– Charged device model (CDM) JESD22-C101E exceeds 500 V

? I/O latch-up current 100 mA, JESD 78

? Package:

– WLCSP12 (1.405 mm x 1.055 mm, 0.35 mm pitch)

? Specified from -40 °C to +125 °C

3 Applications

? Mobile

? I3C/I2C/SMBus

? SPI

? Server