Dual Bidirectional I3C/I2C-Bus and SPI Voltage-Level Translator

P3A9606

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The P3A9606JK is a 2-bit, dual supply translating transceiver with auto direction sensing, that enables bidirectional voltage level translation for traditional open drain I2C-bus/SMBus applications, combination open drain and push pull 12.5 MHz I3C-bus applications or push pull SPI applications (with two devices).

Both VCC(A) and VCC(B) can be supplied at any voltage between 0.72 V and 1.98 V making the device suitable for translating between any of the low voltage nodes (0.8 V, 1.2 V and 1.8 V).

It features two 1-bit input-output ports (An and Bn) controlled by one output enable input (OE).

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Block Diagram

P3A9606 Block Diagram

P3A9606 Block Diagram
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Features

  • Wide supply voltage range:
    • VCC(A): 0.72 V to 1.98 V and VCC(B): 0.72 V to 1.98 V; VCC(A) ≤ VCC(B)
  • IOFF circuitry provides partial power-down mode operation
  • Inputs accept voltages up to 1.98 V and are overvoltage tolerant to 1.98 V
  • Provided voltage level translation for I3C, I2C-bus, SMBus and SPI devices
  • Specified from -40 °C to +85 °C and -40 °C to +125 °C
  • ESD protection:
    • HBM JESD22-A114E class 2 exceeds 2000 V
    • CDM JESD22-C101E exceeds 1000 V
  • Latch-up performance exceeds 100 mA per JESD 78B class II
  • Available in X2SON8 1.35 x 1.0 x 0.32 mm package with 0.35 mm pitch

Comparison Table

Part Number VCC(A) VCC(B) Signal
PCA9306 1 to 3.6 V 2 to 5.5 V I2C
NTB0104 1.2 to 3.6 V 1.65 to 5.5 V SPI
P3A9606 0.72 to 1.98 V 0.72 to 1.98 V I2C, SPI or I3C

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