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634-EFM8 8-bit Microcontrollers - MCU

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (JPY) 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 EFM8BB52F32G-C-TSSOP20R Silicon Labs 2,500: ¥108.3 Non-Stocked Lead-Time 24 Weeks	Mfr. Part # EFM8BB52F32G-C-TSSOP20R Mouser Part # 634-EFM852F32GTOP20R	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 ¥108.3 ¥105.8	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 EFM8BB52F32I-C-TSSOP20R Silicon Labs 2,500: ¥110.8 Non-Stocked Lead-Time 24 Weeks	Mfr. Part # EFM8BB52F32I-C-TSSOP20R Mouser Part # 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 ¥110.8 ¥108.1	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: ¥189.4 Non-Stocked Lead-Time 24 Weeks	Mfr. Part # EFM8BB52F32G-C-QFN20R Mouser Part # 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 ¥189.4 ¥136.9 ¥123.2 ¥108.5 Reel ¥89.9 View ¥101.3 ¥97 ¥94 ¥87.5	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 EFM8BB51F16I-C-TSSOP20R Silicon Labs 2,500: ¥96.3 Non-Stocked Lead-Time 24 Weeks	Mfr. Part # EFM8BB51F16I-C-TSSOP20R Mouser Part # 634-EFM851F16TSOP20R	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 ¥96.3 ¥94	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: ¥179.4 Non-Stocked Lead-Time 24 Weeks	Mfr. Part # EFM8BB51F8I-C-QFN20 Mouser Part # 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	¥179.4 ¥129.6 ¥116.6 ¥102.5 View ¥95.8 ¥91.9 ¥88.9 ¥84.9 ¥82.9	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: ¥179.4 Non-Stocked Lead-Time 24 Weeks	Mfr. Part # EFM8BB51F8I-C-QFN20R Mouser Part # 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 ¥179.4 ¥129.6 ¥116.6 ¥102.5 Reel ¥84.9 View ¥95.8 ¥91.9 ¥88.9 ¥82.9	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: ¥75.2 Non-Stocked Lead-Time 24 Weeks	Mfr. Part # EFM8BB52F16I-C-QFN20R Mouser Part # 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 ¥75.2 ¥73.4	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: ¥159.5 Non-Stocked Lead-Time 24 Weeks	Mfr. Part # EFM8BB52F16I-C-QFN20 Mouser Part # 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	¥159.5 ¥114.8 ¥103.3 ¥90.9 View ¥84.9 ¥81.2 ¥78.7 ¥75.2 ¥73.4	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: ¥110.8 Non-Stocked Lead-Time 24 Weeks	Mfr. Part # EFM8BB52F32G-C-TSSOP28R Mouser Part # 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 ¥110.8 ¥108.1	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: ¥197.7 Non-Stocked Lead-Time 24 Weeks	Mfr. Part # EFM8BB52F16I-C-TSSOP28 Mouser Part # 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	¥197.7 ¥144.3 ¥130.6 ¥115.3 View ¥108.1 ¥103.6 ¥99.2 ¥96.3 ¥94	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: ¥779 1,313In Stock End of Life	Mfr. Part # C8051F920-G-GMR Mouser Part # 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 ¥779 ¥647.8 ¥601.3 ¥541.5 Reel ¥455.1 View ¥509.9 ¥495 ¥461.8 ¥446.8 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: ¥2,655.9 1,803In Stock End of Life	Mfr. Part # C8051F582-IM Mouser Part # 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	¥2,655.9 ¥2,204.1 ¥1,920.1 ¥1,865.3 View ¥1,773.9 ¥1,659.3 ¥1,597.9	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: ¥715.9 796In Stock End of Life	Mfr. Part # C8051F921-G-GMR Mouser Part # 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 ¥715.9 ¥561.4 ¥509.9 ¥465.1 View Reel ¥400.3 ¥428.5 ¥425.2 ¥411.9 ¥400.3	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: ¥2,265.6 370Expected 6/25/2027 End of Life	Mfr. Part # C8051F508-IM Mouser Part # 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 6/25/2027	¥2,265.6 ¥1,775.6 ¥1,652.7 ¥1,518.2 View ¥1,503.2 ¥1,453.4	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 8051 50 MHz 128 kB 5 V CAN LIN 8-bit MCU C8051F580-IM Silicon Labs 1: ¥2,669.2 10Expected 12/4/2026 End of Life	Mfr. Part # C8051F580-IM Mouser Part # 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 12/4/2026	¥2,669.2 ¥2,350.3 ¥2,071.3 ¥1,832.1	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-QFN32R Silicon Labs 1,500: ¥219.3 Non-Stocked	Mfr. Part # EFM8UB20F64G-A-QFN32R Mouser Part # 634-8UB20F64GAQF32R	Silicon Labs	8-bit Microcontrollers - MCU USB, 64kB/4352B RAM, 10b Diff-ADC	Datasheet	Non-Stocked	Reel ¥219.3 ¥212.6	Min.: 1,500 Mult.: 1,500 : 1,500				QFN-32						SMD/SMT				EFM8UB2		Reel
8-bit Microcontrollers - MCU USB, 64kB/4352B RAM, 10b Diff-ADC EFM8UB20F64G-A-QFP32R Silicon Labs 500: ¥239.2 Non-Stocked	Mfr. Part # EFM8UB20F64G-A-QFP32R Mouser Part # 634-8UB20F64GAQFP32R	Silicon Labs	8-bit Microcontrollers - MCU USB, 64kB/4352B RAM, 10b Diff-ADC	Datasheet	Non-Stocked	Reel ¥239.2 ¥237.5 ¥234.2	Min.: 500 Mult.: 500 : 500				QFP-32						SMD/SMT				EFM8UB2		Reel
8-bit Microcontrollers - MCU C8051F569-AM Silicon Labs 1: ¥1,833.7 Non-Stocked End of Life	Mfr. Part # C8051F569-AM Mouser Part # 634-C8051F569-AM End of Life	Silicon Labs	8-bit Microcontrollers - MCU	Datasheet	Non-Stocked	¥1,833.7 ¥1,431.8 ¥1,295.6 ¥1,209.2 View ¥1,159.4 ¥1,137.8 ¥1,114.5 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: ¥1,435.1 Non-Stocked Lead-Time 29 Weeks End of Life	Mfr. Part # C8051F542-IM Mouser Part # 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	¥1,435.1 ¥1,112.9 ¥1,031.5 ¥943.4 View ¥900.3 ¥882	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: ¥2,614.4 Non-Stocked Lead-Time 29 Weeks End of Life	Mfr. Part # C8051F581-IM Mouser Part # 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	¥2,614.4 ¥2,048 ¥1,906.8 ¥1,750.7 View ¥1,734.1 ¥1,709.2 ¥1,689.2 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: ¥1,408.5 Non-Stocked Lead-Time 29 Weeks End of Life	Mfr. Part # C8051F543-IM Mouser Part # 634-C8051F543-IM End of Life	Silicon Labs	8-bit Microcontrollers - MCU MCU 8051 50MHz 16kB 5V	Datasheet	Non-Stocked Lead-Time 29 Weeks	¥1,408.5 ¥1,091.3 ¥1,011.5 ¥966.7	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: ¥1,400.2 Non-Stocked End of Life	Mfr. Part # C8051F553-AM Mouser Part # 634-C8051F553-AM End of Life	Silicon Labs	8-bit Microcontrollers - MCU	Datasheet	Non-Stocked	¥1,400.2 ¥1,078 ¥940.1 ¥923.5 View ¥887 ¥885.3 ¥872 Quote	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: ¥2,283.9 Non-Stocked End of Life	Mfr. Part # C8051F587-AM Mouser Part # 634-C8051F587-AM End of Life	Silicon Labs	8-bit Microcontrollers - MCU	Datasheet	Non-Stocked	¥2,283.9 ¥1,787.2 ¥1,664.3 ¥1,528.1 View ¥1,513.2 ¥1,425.1 ¥1,391.9 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: ¥1,725.8 Non-Stocked End of Life	Mfr. Part # C8051F507-AM Mouser Part # 634-C8051F507-AM End of Life	Silicon Labs	8-bit Microcontrollers - MCU	Datasheet	Non-Stocked	¥1,725.8 ¥1,342.1 ¥1,245.8 ¥1,141.1 View ¥1,081.3 ¥1,059.7 ¥1,034.8 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: ¥1,386.9 Non-Stocked End of Life	Mfr. Part # C8051F554-AM Mouser Part # 634-C8051F554-AM End of Life	Silicon Labs	8-bit Microcontrollers - MCU	Datasheet	Non-Stocked	¥1,386.9 ¥1,069.7 ¥990 ¥901.9 View ¥835.5 ¥808.9 ¥770.7	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

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634-EFM8 8-bit Microcontrollers - MCU

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