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Datasheet Replacement Marking Code
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25LC128
PCA9539DB (3)PCA9539D (9)PCA9539 (27)PCA953 (141)PCA95 (571)PCA9 (770)PCA (1390)
Hotenda

PCA9539DBR

IC I/O EXPANDER I2C 16B 24SSOP
Hotenda

PCA9539DB

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

PCA9539DBQR

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