AEC-Q100 Grade 2 Low-voltage translating 34-bit I2C-bus I/O Expander
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The PI4IOE5V6534Q is a 34-bit general-purpose I/O expander that provides remote I/O expansion for most microcontroller families via the FC-bus interface.
The device provides a simple solution when additional I/Os are needed while keeping interconnections to a minimum. for example, in battery-powered mobile applications for interfacing to sensors, push buttons, keypad, etc.
The expander IC can operate from 1.65 V to 5.5 V on the GPIO-port side and 0.8 V to 3.6 V on the SDA/SCL side. This allows the PI4IOE5V6534Q to interface with next generation microprocessors and microcontrollers on the SDA/SCL side, where supply levels are dropping down to conserve power.
The VDD(I2C-bus) in PI4IOESV6534Q provides bidirectional voltage-level translation, and the pin should be connected to the VDD of the external SCL/SDA lines. The voltage level on the GPIO port of the PI4IOE5V6534Q is determined by VDD(P)
At power-on, the I/Os are configured as inputs, however, the system master can enable the I/Os as either inputs or outputs by writing to the I/O direction bits. The data for each input or output is kept in the corresponding Input or Output register. All registers can be read by the system master.
PI4IOE5V6534Q has open-drain interrupt (INT) output pin that goes LOW when the input state of a GPIO-port changes from the input-state default register value. The device also has an interrupt masking feature, which the user can use to mask the interrupt from an individual GPIO-port.
Compliance (Only Automotive supports PPAP) | Automotive |
---|---|
Analog or Digital? | Digital |
Voltage | .8/5.5V |
Single Ended Channels | 34 |
Signal Type | Single Ended |
Configuration | 34 bits |
Ambient or Junction Temperature (°C) | -40 to 105 |
Additional Technical Documents are available upon request:
Application information, Evaluation board, and Other technical documents