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TCA9554 - Low Voltage 8-Bit I2C and SMBus Low-Power I/O Expander
TCA955 - SPEED CONTROLLER
TCA9554A - Low Voltage 8-Bit I2C and SMBus Low-Power I/O Expander
TCA9555 - Low-Voltage 16-Bit I2C and SMBus I/O Expander
