PCA9557 series datasheets. Manufacturer: Texas Instruments.

PCA9557 Remote 8-Bit I2C and SMBus Low-Power I/O Expander with Reset and Configuration Registers Datasheet*) PCA9557D Remote 8-Bit I2C and SMBus Low-Power I/O Expander with Reset and Configuration Registers Datasheet*) PCA9557DB Remote 8-Bit I2C and SMBus Low-Power I/O Expander with Reset and Configuration Registers Datasheet*) PCA9557DBR Remote 8-Bit I2C and SMBus Low-Power I/O Expander with Reset and Configuration Registers Datasheet*) PCA9557DGVR Remote 8-Bit I2C and SMBus Low-Power I/O Expander with Reset and Configuration Registers Datasheet*) PCA9557DR Remote 8-Bit I2C and SMBus Low-Power I/O Expander with Reset and Configuration Registers Datasheet*) PCA9557DT Remote 8-Bit I2C and SMBus Low-Power I/O Expander with Reset and Configuration Registers Datasheet*) PCA9557PW Remote 8-Bit I2C and SMBus Low-Power I/O Expander with Reset and Configuration Registers Datasheet*) PCA9557PWR Remote 8-Bit I2C and SMBus Low-Power I/O Expander with Reset and Configuration Registers Datasheet*) PCA9557PWT Remote 8-Bit I2C and SMBus Low-Power I/O Expander with Reset and Configuration Registers Datasheet*) PCA9557RGYR Remote 8-Bit I2C and SMBus Low-Power I/O Expander with Reset and Configuration Registers Datasheet*) There are other manufacturers for this components. For more information please check PCA9557 (Philips Semiconductors)

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