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25LC128
SX1509B (2)SX1509 (3)SX150 (20)SX15 (36)SX1 (125)
Semtech

SX1509BIULTRT

I/O Expander 16 I²C 400kHz 28-QFN-UT (4x4)
Semtech

SX1509BEVK

SX1509 - Interface, GPIO Expander Evaluation Board
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