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C8051F9xx MCUs

Silicon Laboratories C8051F9xx Low-Voltage, Low-Power MCUs are capable of operating down to 0.9V. With an integrated DC-DC converter, the devices operate over a 0.9V to 1.8V and 1.8V to 3.6V range, supporting both single- and dual-battery operation. The integrated DC-DC converter can also supply current to external devices, creating an entire solution capable of operating off a single battery. Silicon Laboratories C8051F9xx MCUs come with 64kB of flash and 4kB of RAM in a 4x4mm package.

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Select	Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (SGD) Filter the results in the table by unit price based on your quantity.	Qty.	RoHS	ECAD Model	Core	Program Memory Size	Data RAM Size	Package/Case	Maximum Clock Frequency	ADC Resolution	Number of I/Os	Supply Voltage - Min	Supply Voltage - Max	Mounting Style	Data Bus Width	Minimum Operating Temperature	Maximum Operating Temperature	Packaging
	8-bit Microcontrollers - MCU 32kB/4kB RAM, 10b ADC, DC-DC, 0.9V, QFN32 C8051F920-G-GMR Silicon Labs 1: $6.38 1,313In Stock End of Life	Mfr. Part No. C8051F920-G-GMR Mouser Part No 634-C8051F920-G-GMR End of Life	Silicon Labs	8-bit Microcontrollers - MCU 32kB/4kB RAM, 10b ADC, DC-DC, 0.9V, QFN32 Learn More about Silicon Labs Silicon_Labs_C8051F9xx_MCU	Datasheet	1,313In Stock	Cut Tape $6.38 $5.30 $4.92 $4.43 Reel $3.73 View $4.18 $4.05 $3.78 $3.66 MouseReel Available	Min.: 1 Mult.: 1 : 1,500			8051	32 kB	4.25 kB	QFN-32	25 MHz	10 bit	24 I/O	900 mV	3.6 V	SMD/SMT	8 bit	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel
	8-bit Microcontrollers - MCU 32kB/4kB RAM, 10bADC, DC-DC, 0.9V, QFN24 C8051F921-G-GMR Silicon Labs 1: $5.86 796In Stock End of Life	Mfr. Part No. C8051F921-G-GMR Mouser Part No 634-C8051F921-G-GMR End of Life	Silicon Labs	8-bit Microcontrollers - MCU 32kB/4kB RAM, 10bADC, DC-DC, 0.9V, QFN24 Learn More about Silicon Labs Silicon_Labs_C8051F9xx_MCU	Datasheet	796In Stock	Cut Tape $5.86 $4.60 $4.18 $3.81 View Reel $3.28 $3.51 $3.48 $3.37 $3.28	Min.: 1 Mult.: 1 : 1,500			8051	32 kB	4.25 kB	QFN-24	25 MHz	10 bit	16 I/O	900 mV	3.6 V	SMD/SMT	8 bit	- 40 C	+ 85 C	Reel, Cut Tape
	8-bit Microcontrollers - MCU 64kB/4kB RAM, 10b ADC, DC-DC, 0.9V, QFN32 C8051F930-G-GM Silicon Labs 1: $7.62 10,632Expected 2/4/2027 End of Life	Mfr. Part No. C8051F930-G-GM Mouser Part No 634-C8051F930-G-GM End of Life	Silicon Labs	8-bit Microcontrollers - MCU 64kB/4kB RAM, 10b ADC, DC-DC, 0.9V, QFN32 Learn More about Silicon Labs Silicon_Labs_C8051F9xx_MCU	Datasheet	10,632Expected 2/4/2027	$7.62 $6.04 $5.39 $4.99 View $4.87 $4.62 $4.61 $4.60	Min.: 1 Mult.: 1			8051	64 kB	4.25 kB	QFN-32	25 MHz	10 bit	24 I/O	1.8 V	3.6 V	SMD/SMT	8 bit	- 40 C	+ 85 C	Tube
	8-bit Microcontrollers - MCU 64kB/4kB RAM, 10b ADC, DC-DC, 0.9V, QFN32 C8051F930-G-GMR Silicon Labs 1: $7.75 Non-Stocked Lead-Time 20 Weeks End of Life	Mfr. Part No. C8051F930-G-GMR Mouser Part No 634-C8051F930-G-GMR End of Life	Silicon Labs	8-bit Microcontrollers - MCU 64kB/4kB RAM, 10b ADC, DC-DC, 0.9V, QFN32 Learn More about Silicon Labs Silicon_Labs_C8051F9xx_MCU	Datasheet	Non-Stocked Lead-Time 20 Weeks	Cut Tape $7.75 $6.09 $5.47 $5.06 Reel $4.57 View $4.94 $4.65 $4.61 $4.45 MouseReel Available	Min.: 1 Mult.: 1 : 1,500			8051	64 kB	4.25 kB	QFN-32	25 MHz	10 bit	24 I/O	900 mV	3.6 V	SMD/SMT	8 bit	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel
	8-bit Microcontrollers - MCU 64KB/4kB RAM, 10b ADC, DC-DC, 0.9V, QFN24 C8051F931-G-GM Silicon Labs 1: $7.13 Lead-Time 20 Weeks End of Life	Mfr. Part No. C8051F931-G-GM Mouser Part No 634-C8051F931-G-GM End of Life	Silicon Labs	8-bit Microcontrollers - MCU 64KB/4kB RAM, 10b ADC, DC-DC, 0.9V, QFN24 Learn More about Silicon Labs Silicon_Labs_C8051F9xx_MCU	Datasheet	Lead-Time 20 Weeks	$7.13 $5.66 $5.00 $4.64 View $4.52 $4.34 $4.31 $4.24	Min.: 1 Mult.: 1			8051	64 kB	4.25 kB	QFN-24	25 MHz	10 bit	16 I/O	1.8 V	3.6 V	SMD/SMT	8 bit	- 40 C	+ 85 C	Tube
	8-bit Microcontrollers - MCU 64KB/4kB RAM, 10b ADC, DC-DC, 0.9V, QFN24 C8051F931-G-GMR Silicon Labs 1: $7.47 Non-Stocked Lead-Time 20 Weeks End of Life	Mfr. Part No. C8051F931-G-GMR Mouser Part No 634-C8051F931-G-GMR End of Life	Silicon Labs	8-bit Microcontrollers - MCU 64KB/4kB RAM, 10b ADC, DC-DC, 0.9V, QFN24 Learn More about Silicon Labs Silicon_Labs_C8051F9xx_MCU	Datasheet	Non-Stocked Lead-Time 20 Weeks	Cut Tape $7.47 $5.88 $5.26 $4.87 Reel $4.27 View $4.75 $4.47 $4.31 $4.16 MouseReel Available	Min.: 1 Mult.: 1 : 1,500			8051	64 kB	4.25 kB		25 MHz	10 bit	16 I/O	900 mV	3.6 V	SMD/SMT	8 bit	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel