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Datasheet Replacement Marking Code
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25LC128
PCA9557D (9)PCA9557 (18)PCA955 (128)PCA95 (571)PCA9 (770)PCA (1390)
NXP Semiconductors

PCA9557D,112

I/O Expander 8 I²C, SMBus 400kHz 16-SO
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PCA9557DR

I/O Expander 8 I²C, SMBus 400kHz 16-SOIC
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PCA9557DBR

I/O Expander 8 I²C, SMBus 400kHz 16-SSOP
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PCA9557DGVR

I/O Expander 8 I²C, SMBus 400kHz 16-TVSOP
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PCA9557DB

I/O Expander 8 I²C, SMBus 400kHz 16-SSOP
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PCA9557D

I/O Expander 8 I²C, SMBus 400kHz 16-SOIC
NXP Semiconductors

PCA9557D,118

I/O Expander 8 I²C, SMBus 400kHz 16-SO
Hotenda

PCA9557DT

I/O Expander 8 I²C, SMBus 400kHz 16-SOIC
NXP Semiconductors

PCA9557D/DG,118

I/O Expander 8 I²C, SMBus 400kHz 16-SO
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