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Datasheet Replacement Marking Code
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25LC128
PCA9539R (4)PCA9539 (27)PCA953 (141)PCA95 (571)PCA9 (770)PCA (1390)
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PCA9539RGER

I/O Expander 16 I²C, SMBus 400kHz 24-VQFN (4x4)
NXP Semiconductors

PCA9539RBS,118

I/O Expander 16 I²C, SMBus 400kHz 24-HVQFN (4x4)
NXP Semiconductors

PCA9539RPW,118

I/O Expander 16 I²C, SMBus 400kHz 24-TSSOP
NXP Semiconductors

PCA9539RPW,112

I/O Expander 16 I²C, SMBus 400kHz 24-TSSOP
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