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634-EFM8 8-bit Microcontrollers - MCU

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (USD) Filter the results in the table by unit price based on your quantity.	Qty.	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	Series	Qualification	Packaging
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 32 kB flash 2.304 kB RAM 16 GPIO BB5 8-bit MCU EFM8BB52F32I-C-TSSOP20R Silicon Labs 2,500: $0.668 Non-Stocked Lead-Time 24 Weeks	Mfr. Part No. EFM8BB52F32I-C-TSSOP20R Mouser Part No 634-EFM852F32ITOP20R	Silicon Labs	8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 32 kB flash 2.304 kB RAM 16 GPIO BB5 8-bit MCU Learn More about Silicon Labs silabs efm8bb51 efm8bb52 busy bee mcus	Datasheet	Non-Stocked Lead-Time 24 Weeks	Reel $0.668 $0.651	Min.: 2,500 Mult.: 2,500 : 2,500		16 kB	1.28 kB	TSSOP-20			16 I/O	1.8 V	5.5 V	SMD/SMT		- 40 C	+ 85 C			Reel
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 32 kB flash 2.304 kB RAM 16 GPIO BB5 8-bit MCU EFM8BB52F32G-C-QFN20R Silicon Labs 1: $1.14 Non-Stocked Lead-Time 24 Weeks	Mfr. Part No. EFM8BB52F32G-C-QFN20R Mouser Part No 634-EFM852F32GQFN20R	Silicon Labs	8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 32 kB flash 2.304 kB RAM 16 GPIO BB5 8-bit MCU Learn More about Silicon Labs silabs efm8bb51 efm8bb52 busy bee mcus	Datasheet	Non-Stocked Lead-Time 24 Weeks	Cut Tape $1.14 $0.825 $0.742 $0.654 Reel $0.541 View $0.611 $0.584 $0.566 $0.527	Min.: 1 Mult.: 1 : 2,500		16 kB	1.28 kB	QFN-20			16 I/O	1.8 V	5.5 V	SMD/SMT		- 40 C	+ 85 C			Reel, Cut Tape
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 8 kB flash 1.28 kB RAM 16 GPIO BB5 8-bit MCU EFM8BB51F8I-C-TSSOP20R Silicon Labs 2,500: $0.541 Non-Stocked Lead-Time 24 Weeks	Mfr. Part No. EFM8BB51F8I-C-TSSOP20R Mouser Part No 634-EFM851F8ICTOP20R	Silicon Labs	8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 8 kB flash 1.28 kB RAM 16 GPIO BB5 8-bit MCU Learn More about Silicon Labs silabs efm8bb51 efm8bb52 busy bee mcus	Datasheet	Non-Stocked Lead-Time 24 Weeks	Reel $0.541 $0.527	Min.: 2,500 Mult.: 2,500 : 2,500		16 kB	1.28 kB	TSSOP-20			16 I/O	1.8 V	5.5 V	SMD/SMT		- 40 C	+ 85 C			Reel
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 8 kB flash 1.28 kB RAM 16 GPIO BB5 8-bit MCU EFM8BB51F8G-C-TSSOP20R Silicon Labs 2,500: $0.526 Non-Stocked Lead-Time 24 Weeks	Mfr. Part No. EFM8BB51F8G-C-TSSOP20R Mouser Part No 634-EFM851F8GCTOP20R	Silicon Labs	8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 8 kB flash 1.28 kB RAM 16 GPIO BB5 8-bit MCU Learn More about Silicon Labs silabs efm8bb51 efm8bb52 busy bee mcus	Datasheet	Non-Stocked Lead-Time 24 Weeks	Reel $0.526 $0.513	Min.: 2,500 Mult.: 2,500 : 2,500		16 kB	1.28 kB	TSSOP-20			16 I/O	1.8 V	5.5 V	SMD/SMT		- 40 C	+ 85 C			Reel
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 8 kB flash 1.28 kB RAM 16 GPIO BB5 8-bit MCU EFM8BB51F8I-C-QFN20 Silicon Labs 1: $1.08 Non-Stocked Lead-Time 24 Weeks	Mfr. Part No. EFM8BB51F8I-C-QFN20 Mouser Part No 634-EFM8B51F8ICQFN20	Silicon Labs	8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 8 kB flash 1.28 kB RAM 16 GPIO BB5 8-bit MCU Learn More about Silicon Labs silabs efm8bb51 efm8bb52 busy bee mcus	Datasheet	Non-Stocked Lead-Time 24 Weeks	$1.08 $0.78 $0.702 $0.618 View $0.577 $0.554 $0.535 $0.511 $0.499	Min.: 1 Mult.: 1		16 kB	1.28 kB	QFN-20			16 I/O	1.8 V	5.5 V	SMD/SMT		- 40 C	+ 85 C			Cut Tape
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 8 kB flash 1.28 kB RAM 16 GPIO BB5 8-bit MCU EFM8BB51F8I-C-QFN20R Silicon Labs 1: $1.08 Non-Stocked Lead-Time 24 Weeks	Mfr. Part No. EFM8BB51F8I-C-QFN20R Mouser Part No 634-EFM851F8ICQFN20R	Silicon Labs	8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 8 kB flash 1.28 kB RAM 16 GPIO BB5 8-bit MCU Learn More about Silicon Labs silabs efm8bb51 efm8bb52 busy bee mcus	Datasheet	Non-Stocked Lead-Time 24 Weeks	Cut Tape $1.08 $0.78 $0.702 $0.618 Reel $0.511 View $0.577 $0.554 $0.535 $0.499	Min.: 1 Mult.: 1 : 2,500		16 kB	1.28 kB	QFN-20			16 I/O	1.8 V	5.5 V	SMD/SMT		- 40 C	+ 85 C			Reel, Cut Tape
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 1.28 kB RAM 16 GPIO BB5 8-bit MCU EFM8BB52F16I-C-QFN20R Silicon Labs 2,500: $0.454 Non-Stocked Lead-Time 24 Weeks	Mfr. Part No. EFM8BB52F16I-C-QFN20R Mouser Part No 634-EFM852F16IQFN20R	Silicon Labs	8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 1.28 kB RAM 16 GPIO BB5 8-bit MCU Learn More about Silicon Labs silabs efm8bb51 efm8bb52 busy bee mcus	Datasheet	Non-Stocked Lead-Time 24 Weeks	Reel $0.454 $0.442	Min.: 2,500 Mult.: 2,500 : 2,500		16 kB	1.28 kB	QFN-20			16 I/O	1.8 V	5.5 V	SMD/SMT		- 40 C	+ 85 C			Reel
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 1.28 kB RAM 16 GPIO BB5 8-bit MCU EFM8BB52F16I-C-QFN20 Silicon Labs 1: $0.961 Non-Stocked Lead-Time 24 Weeks	Mfr. Part No. EFM8BB52F16I-C-QFN20 Mouser Part No 634-EFM852F16ICQFN20	Silicon Labs	8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 1.28 kB RAM 16 GPIO BB5 8-bit MCU Learn More about Silicon Labs silabs efm8bb51 efm8bb52 busy bee mcus	Datasheet	Non-Stocked Lead-Time 24 Weeks	$0.961 $0.691 $0.622 $0.547 View $0.511 $0.49 $0.475 $0.454 $0.442	Min.: 1 Mult.: 1		16 kB	1.28 kB	QFN-20			16 I/O	1.8 V	5.5 V	SMD/SMT		- 40 C	+ 85 C			Cut Tape
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 32 kB flash 2.304 kB RAM 25 GPIO BB5 8-bit MCU EFM8BB52F32G-C-TSSOP28R Silicon Labs 2,500: $0.668 Non-Stocked Lead-Time 24 Weeks	Mfr. Part No. EFM8BB52F32G-C-TSSOP28R Mouser Part No 634-EFM852F32GTOP28R	Silicon Labs	8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 32 kB flash 2.304 kB RAM 25 GPIO BB5 8-bit MCU Learn More about Silicon Labs silabs efm8bb51 efm8bb52 busy bee mcus	Datasheet	Non-Stocked Lead-Time 24 Weeks	Reel $0.668 $0.651	Min.: 2,500 Mult.: 2,500 : 2,500		16 kB	1.28 kB	TSSOP-28			16 I/O	1.8 V	5.5 V	SMD/SMT		- 40 C	+ 85 C			Reel
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 1.28 kB RAM 25 GPIO BB5 8-bit MCU EFM8BB52F16I-C-TSSOP28 Silicon Labs 1: $1.19 Non-Stocked Lead-Time 24 Weeks	Mfr. Part No. EFM8BB52F16I-C-TSSOP28 Mouser Part No 634-EFM852F16ITSOP28	Silicon Labs	8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 1.28 kB RAM 25 GPIO BB5 8-bit MCU Learn More about Silicon Labs silabs efm8bb51 efm8bb52 busy bee mcus	Datasheet	Non-Stocked Lead-Time 24 Weeks	$1.19 $0.869 $0.786 $0.694 View $0.651 $0.625 $0.597 $0.58 $0.566	Min.: 1 Mult.: 1		16 kB	1.28 kB	TSSOP-28			16 I/O	1.8 V	5.5 V	SMD/SMT		- 40 C	+ 85 C			Cut Tape
8-bit Microcontrollers - MCU 32kB/4kB RAM, 10b ADC, DC-DC, 0.9V, QFN32 C8051F920-G-GMR Silicon Labs 1: $4.69 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 $4.69 $3.90 $3.62 $3.26 Reel $2.74 View $3.07 $2.98 $2.78 $2.69 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 8051 50 MHz 128 kB 5 V CAN LIN 8-bit MCU C8051F582-IM Silicon Labs 1: $15.99 1,803In Stock End of Life	Mfr. Part No. C8051F582-IM Mouser Part No 634-C8051F582-IM End of Life	Silicon Labs	8-bit Microcontrollers - MCU 8051 50 MHz 128 kB 5 V CAN LIN 8-bit MCU	Datasheet	1,803In Stock	$15.99 $13.27 $11.56 $11.23 View $10.68 $9.99 $9.62	Min.: 1 Mult.: 1	8051	128 kB	8.25 kB	QFN-32	50 MHz	12 bit	25 I/O	1.8 V	5.25 V	SMD/SMT	8 bit	- 40 C	+ 125 C	C8051F582	AEC-Q100	Tube
8-bit Microcontrollers - MCU 32kB/4kB RAM, 10bADC, DC-DC, 0.9V, QFN24 C8051F921-G-GMR Silicon Labs 1: $4.31 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 $4.31 $3.38 $3.07 $2.80 View Reel $2.41 $2.58 $2.56 $2.48 $2.41	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 8051 50 MHz 64 kB 5 V CAN LIN 8-bit MCU C8051F508-IM Silicon Labs 1: $13.64 370Expected 2027/06/25 End of Life	Mfr. Part No. C8051F508-IM Mouser Part No 634-C8051F508-IM End of Life	Silicon Labs	8-bit Microcontrollers - MCU 8051 50 MHz 64 kB 5 V CAN LIN 8-bit MCU Learn More about Silicon Labs silicon c8051f58x automotive industrial mcus	Datasheet	370Expected 2027/06/25	$13.64 $10.69 $9.96 $9.14 View $9.05 $8.76	Min.: 1 Mult.: 1	8051	64 kB	4.25 kB	QFN-40	50 MHz	12 bit	33 I/O	1.8 V	5.25 V	SMD/SMT	8 bit	- 40 C	+ 125 C	C8051F508	AEC-Q100	Tube
8-bit Microcontrollers - MCU USB, 64kB/4352B RAM, 10b Diff-ADC EFM8UB20F64G-A-QFN32R Silicon Labs 1,500: $1.33 Non-Stocked	Mfr. Part No. EFM8UB20F64G-A-QFN32R Mouser Part No 634-8UB20F64GAQF32R	Silicon Labs	8-bit Microcontrollers - MCU USB, 64kB/4352B RAM, 10b Diff-ADC	Datasheet	Non-Stocked	Reel $1.33 $1.28	Min.: 1,500 Mult.: 1,500 : 1,500				QFN-32						SMD/SMT				EFM8UB2		Reel
8-bit Microcontrollers - MCU 8051 50 MHz 128 kB 5 V CAN LIN 8-bit MCU C8051F580-IM Silicon Labs 1: $16.07 10Expected 2027/01/29 End of Life	Mfr. Part No. C8051F580-IM Mouser Part No 634-C8051F580-IM End of Life	Silicon Labs	8-bit Microcontrollers - MCU 8051 50 MHz 128 kB 5 V CAN LIN 8-bit MCU Learn More about Silicon Labs silicon c8051f58x automotive industrial mcus	Datasheet	10Expected 2027/01/29	$16.07 $14.15 $12.47 $11.04	Min.: 1 Mult.: 1	8051	128 kB	8.25 kB	QFN-48	24 MHz	12 bit	40 I/O	1.8 V	5.25 V	SMD/SMT	8 bit	- 40 C	+ 125 C	C8051F580	AEC-Q100	Tube
8-bit Microcontrollers - MCU USB, 64kB/4352B RAM, 10b Diff-ADC EFM8UB20F64G-A-QFP32R Silicon Labs 500: $1.44 Non-Stocked	Mfr. Part No. EFM8UB20F64G-A-QFP32R Mouser Part No 634-8UB20F64GAQFP32R	Silicon Labs	8-bit Microcontrollers - MCU USB, 64kB/4352B RAM, 10b Diff-ADC	Datasheet	Non-Stocked	Reel $1.44 $1.43 $1.41	Min.: 500 Mult.: 500 : 500				QFP-32						SMD/SMT				EFM8UB2		Reel
8-bit Microcontrollers - MCU C8051F569-AM Silicon Labs 1: $11.04 Non-Stocked End of Life	Mfr. Part No. C8051F569-AM Mouser Part No 634-C8051F569-AM End of Life	Silicon Labs	8-bit Microcontrollers - MCU	Datasheet	Non-Stocked	$11.04 $8.62 $7.80 $7.28 View $6.98 $6.85 $6.71 Quote	Min.: 1 Mult.: 1	CIP-51 8051	32 kB	2.25 kB	QFN-40	50 MHz	12 bit	33 I/O	1.8 V	5.25 V	SMD/SMT	8 bit	- 40 C	+ 125 C	C8051F569	AEC-Q100
8-bit Microcontrollers - MCU 8051 MHz 16 kB flash industrial 8-bit MCU C8051F542-IM Silicon Labs 1: $8.64 Non-Stocked Lead-Time 29 Weeks End of Life	Mfr. Part No. C8051F542-IM Mouser Part No 634-C8051F542-IM End of Life	Silicon Labs	8-bit Microcontrollers - MCU 8051 MHz 16 kB flash industrial 8-bit MCU	Datasheet	Non-Stocked Lead-Time 29 Weeks	$8.64 $6.70 $6.21 $5.68 View $5.42 $5.31	Min.: 1 Mult.: 1	8051	16 kB	1.25 kB	QFN-24	50 MHz	12 bit	18 I/O	1.8 V	5.25 V	SMD/SMT	8 bit	- 40 C	+ 125 C	C8051F542	AEC-Q100	Tube
8-bit Microcontrollers - MCU 8051 50 MHz 128 kB 5 V 8-bit MCU C8051F581-IM Silicon Labs 1: $15.75 Non-Stocked Lead-Time 29 Weeks End of Life	Mfr. Part No. C8051F581-IM Mouser Part No 634-C8051F581-IM End of Life	Silicon Labs	8-bit Microcontrollers - MCU 8051 50 MHz 128 kB 5 V 8-bit MCU Learn More about Silicon Labs silicon c8051f58x automotive industrial mcus	Datasheet	Non-Stocked Lead-Time 29 Weeks	$15.75 $12.33 $11.48 $10.54 View $10.44 $10.29 $10.18 Quote	Min.: 1 Mult.: 1	8051	128 kB	8.25 kB	QFN-48	50 MHz	12 bit	40 I/O	1.8 V	5.25 V	SMD/SMT	8 bit	- 40 C	+ 125 C	C8051F581	AEC-Q100	Tube
8-bit Microcontrollers - MCU MCU 8051 50MHz 16kB 5V C8051F543-IM Silicon Labs 1: $8.48 Non-Stocked Lead-Time 29 Weeks End of Life	Mfr. Part No. C8051F543-IM Mouser Part No 634-C8051F543-IM End of Life	Silicon Labs	8-bit Microcontrollers - MCU MCU 8051 50MHz 16kB 5V	Datasheet	Non-Stocked Lead-Time 29 Weeks	$8.48 $6.57 $6.09 $5.83	Min.: 1 Mult.: 1	8051	16 kB	256 B	QFN-24	50 MHz		18 I/O	1.8 V	5.25 V	SMD/SMT	8 bit	- 40 C	+ 125 C	C8051F543	AEC-Q100	Tube
8-bit Microcontrollers - MCU C8051F553-AM Silicon Labs 1: $8.43 Non-Stocked End of Life	Mfr. Part No. C8051F553-AM Mouser Part No 634-C8051F553-AM End of Life	Silicon Labs	8-bit Microcontrollers - MCU	Datasheet	Non-Stocked	$8.43 $6.49 $5.66 $5.56 View $5.34 $5.33 $5.26 $5.12	Min.: 1 Mult.: 1	CIP-51 8051	32 kB	2.25 kB	QFN-24	50 MHz	12 bit	18 I/O	1.8 V	5.25 V	SMD/SMT	8 bit	- 40 C	+ 125 C	C8051F553	AEC-Q100
8-bit Microcontrollers - MCU C8051F587-AM Silicon Labs 1: $13.76 Non-Stocked End of Life	Mfr. Part No. C8051F587-AM Mouser Part No 634-C8051F587-AM End of Life	Silicon Labs	8-bit Microcontrollers - MCU	Datasheet	Non-Stocked	$13.76 $10.76 $10.03 $9.20 View $9.11 $8.58 $8.39 Quote	Min.: 1 Mult.: 1	CIP-51 8051	96 kB	8.25 kB	QFN-32	50 MHz	12 bit	25 I/O	1.8 V	5.25 V	SMD/SMT	8 bit	- 40 C	+ 125 C	C8051F587	AEC-Q100
8-bit Microcontrollers - MCU C8051F507-AM Silicon Labs 1: $10.40 Non-Stocked End of Life	Mfr. Part No. C8051F507-AM Mouser Part No 634-C8051F507-AM End of Life	Silicon Labs	8-bit Microcontrollers - MCU	Datasheet	Non-Stocked	$10.40 $8.08 $7.50 $6.87 View $6.51 $6.38 $6.23 Quote	Min.: 1 Mult.: 1	CIP-51 8051	32 kB	256 B	QFN-32	50 MHz	12 bit	25 I/O	1.8 V	5.25 V	SMD/SMT	8 bit	- 40 C	+ 125 C	C8051F507	AEC-Q100
8-bit Microcontrollers - MCU C8051F554-AM Silicon Labs 1: $8.35 Non-Stocked End of Life	Mfr. Part No. C8051F554-AM Mouser Part No 634-C8051F554-AM End of Life	Silicon Labs	8-bit Microcontrollers - MCU	Datasheet	Non-Stocked	$8.35 $6.44 $5.97 $5.43 View $5.04 $4.87 $4.64	Min.: 1 Mult.: 1	CIP-51 8051	16 kB	2.25 kB	QFN-24	50 MHz	12 bit	18 I/O	1.8 V	5.25 V	SMD/SMT	8 bit	- 40 C	+ 125 C	C8051F554	AEC-Q100

634-EFM8 8-bit Microcontrollers - MCU

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