Datasheet Archive: PCF8575DBQR datasheet by Texas Instruments

PCF8575DBQR datasheet by Texas Instruments

Description Logic and Timing Misc, Remote 16-bit I/O expander for I2C-bus, Tape and Reel
Datasheet Type Original
RoHS Yes
Pb Free Yes
Lifecycle Active
ECCN EAR99
HTS Code 8542.39.00.01
Schedule B 8542.39.00.00
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PCF8575DBQRE4 PCF8575DBQRG4

PCF8575DBQR datasheet preview

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The PCF8575DBQR can support I2C bus frequencies up to 400 kHz.
The PCF8575DBQR can be reset by pulling the RESET pin low for a minimum of 1 ms.
The PCF8575DBQR can sink or source up to 25 mA per I/O pin.
Yes, the PCF8575DBQR is 5V tolerant, but it is recommended to use a voltage regulator to ensure a stable 3.3V supply.
The PCF8575DBQR can be configured as an input or output by writing to the corresponding register bits. A '1' in the register bit configures the pin as an input, while a '0' configures it as an output.