PCA9557D,112IC I/O EXPANDER I2C 8B 16SOIC|NXP SEMICONDUCTORS|Lead free|RoHS Compliant PCA9557D PCA9557D,118IC I/O EXPANDER I2C 8B 16SOIC|NXP SEMICONDUCTORS|Lead free|RoHS Compliant PCA9557DR PCA9557DR PCA9557D
