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Datasheet Replacement Marking Code
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25LC128
PCA9554BS (2)PCA9554B (4)PCA9554 (51)PCA955 (128)PCA95 (571)PCA9 (770)PCA (1390)
NXP Semiconductors

PCA9554BS,118

I/O Expander 8 I²C, SMBus 400kHz 16-HVQFN (4x4)
NXP Semiconductors

PCA9554BS3,118

I/O Expander 8 I²C, SMBus 400kHz 16-HVQFN (3x3)
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