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    Part Img PCF8575DB datasheet by Texas Instruments

    • Remote 16-Bit I2C and SMBus I/O Expander with Interrupt Output
    • Original
    • Yes
    • Yes
    • Obsolete
    • EAR99
    • 8542.39.00.01
    • 8542.39.00.00
    • Always verify details of parts you are evaluating, as these parts are offered as suggestions for what you are looking for and are not guaranteed.

    PCF8575DB datasheet preview

    PCF8575DB Price & Stock

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    202
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    PCF8575DB Frequently Asked Questions (FAQs)

    • The PCF8575DB can support I2C bus frequencies up to 400 kHz, but it's recommended to operate at 100 kHz or lower for reliable operation.
    • The PCF8575DB can be reset by pulling the SCL line low for at least 10 ms. This will reset the device and clear all registers.
    • The PCF8575DB can source or sink up to 20 mA per I/O pin, but the total current should not exceed 100 mA for the entire device.
    • Yes, the PCF8575DB can be used as an input expander only by not writing to the output registers. The device will still respond to I2C commands and provide input data.
    • The PCF8575DB generates an interrupt on the INT pin when an input changes state. The interrupt can be cleared by reading the input register that triggered the interrupt.
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