25LC128
CP2104-F (2)CP2104 (4)CP210 (28)CP21 (50)CP2 (300)

Silicon Labs

CP2104-F03-GM

USB Bridge, USB to UART USB 2.0 UART Interface 24-QFN (4x4)
Silicon Labs

CP2104-F03-GMR

USB Bridge, USB to UART USB 2.0 UART Interface 24-QFN (4x4)

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