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Datasheet Replacement Marking Code
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25LC128
PCF8574R (3)PCF8574 (45)PCF857 (118)PCF85 (209)PCF8 (215)PCF (154)
Hotenda

PCF8574RGTR

I/O Expander 8 I²C 100kHz 16-QFN (3x3)
Hotenda

PCF8574RGYR

I/O Expander 8 I²C 100kHz 20-VQFN (3.5x4.5)
Hotenda

PCF8574RGYRG4

I/O Expander 8 I²C 100kHz 20-VQFN (3.5x4.5)
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