PCA9557DR
Interface
Texas InstrumentsBrandedPCA9557DRIntegrated circuit electronic chips use1Encapsulated, with a working temperature range of-40°C ~ 85°C,The voltage is2.3V ~ 5.5V,use16-SOIC（0.154"，3.90mm 宽）Packaging technology，nowPCA9557DRChip inventory is18551individual。
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