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8 bit 50 MHz 8-bit Microcontrollers - MCU

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (SGD) 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 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU EFM8BB22F16G-C-QFN28 Silicon Labs 1: $2.86 1,287In Stock	Mfr. Part No. EFM8BB22F16G-C-QFN28 Mouser Part No 634-8BB22F16GCQFN28	Silicon Labs	8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU Learn More about Silicon Labs siliconlabs efm8 busy bee	Datasheet	1,287In Stock	$2.86 $2.41 $2.05 $1.94 View $1.90 $1.69 $1.35 $1.32	Min.: 1 Mult.: 1	CIP-51 8051	16 kB	2.3 kB	QFN-28	50 MHz	12 bit	22 I/O	2.2 V	3.6 V	SMD/SMT	8 bit	- 40 C	+ 85 C	EFM8BB2		Tube
8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU EFM8BB31F16G-D-QFN24R Silicon Labs 1: $2.31 5,753In Stock	Mfr. Part No. EFM8BB31F16G-D-QFN24R Mouser Part No 634-EF8BB31F16GDF24R	Silicon Labs	8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU Learn More about Silicon Labs siliconlabs efm8 busy bee	Datasheet	5,753In Stock	Cut Tape $2.31 $1.69 $1.54 $1.35 View Reel $0.991 $1.27 $1.22 $1.17 $0.991	Min.: 1 Mult.: 1 : 1,500	CIP-51 8051	16 kB	2.3 kB	QFN-24	50 MHz	10 bit, 12 bit	20 I/O	2.2 V	3.6 V	SMD/SMT	8 bit	- 40 C	+ 85 C			Reel, Cut Tape
8-bit Microcontrollers - MCU 8051 50 MHz 16 kB 8-bit MCU C8051F413-GMR Silicon Labs 1: $17.92 422In Stock NRND	Mfr. Part No. C8051F413-GMR Mouser Part No 634-C8051F413-GMR NRND	Silicon Labs	8-bit Microcontrollers - MCU 8051 50 MHz 16 kB 8-bit MCU	Datasheet	422In Stock	Cut Tape $17.92 $14.04 $13.07 $12.01 View Reel $10.35 $11.89 $11.19 $10.35	Min.: 1 Mult.: 1 : 1,500	8051	16 kB	2.31 kB	QFN-28	50 MHz	12 bit	20 I/O	2 V	5.25 V	SMD/SMT	8 bit	- 40 C	+ 85 C	C8051F413		Reel, Cut Tape
8-bit Microcontrollers - MCU 32K Flash 50MHz 8051 1.71V to 5.5V CY8C3245LTI-144 Infineon Technologies 1: $14.17 195In Stock	Mfr. Part No. CY8C3245LTI-144 Mouser Part No 727-CY8C3245LTI-144	Infineon Technologies	8-bit Microcontrollers - MCU 32K Flash 50MHz 8051 1.71V to 5.5V Learn More about Infineon Technologies cypresspsoc3	Datasheet	195In Stock	$14.17 $11.04 $9.79 $9.41 View $8.99 $8.42 $8.21 Quote	Min.: 1 Mult.: 1	8051	32 kB	4 kB	QFN-48	50 MHz	12 bit	31 I/O	1.71 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	CY8C3245		Tray
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 8 kB flash 0.5 kB RAM 9 GPIO BB5 8-bit MCU EFM8BB50F8G-A-QFN12 Silicon Labs 1: $2.37 10,835In Stock	Mfr. Part No. EFM8BB50F8G-A-QFN12 Mouser Part No 634-M8BB50F8GAQFN12	Silicon Labs	8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 8 kB flash 0.5 kB RAM 9 GPIO BB5 8-bit MCU Learn More about Silicon Labs efm8bb50 mcus	Datasheet	10,835In Stock	$2.37 $1.44 $1.21 $0.877 View $0.792 $0.745 $0.734	Min.: 1 Mult.: 1		8 kB	512 B	QFN-12	50 MHz	12 bit	9 I/O	1.8 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	BB50		Cut Tape
8-bit Microcontrollers - MCU 64K Flash 50MHz 8051 1.71V to 5.5V CY8C3446LTI-073 Infineon Technologies 1: $18.60 2,600In Stock	Mfr. Part No. CY8C3446LTI-073 Mouser Part No 727-CY8C3446LTI-073	Infineon Technologies	8-bit Microcontrollers - MCU 64K Flash 50MHz 8051 1.71V to 5.5V Learn More about Infineon Technologies cypresspsoc3	Datasheet	2,600In Stock	$18.60 $16.09 $14.36 $13.83 View $13.25 $12.82 $12.68 Quote	Min.: 1 Mult.: 1	8051	64 kB	8 kB	QFN-48	50 MHz	12 bit	31 I/O	1.71 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	CY8C3446		Tray
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 0.5 kB RAM 9 GPIO BB5 8-bit MCU EFM8BB50F16G-A-QFN12 Silicon Labs 1: $1.24 1,207In Stock	Mfr. Part No. EFM8BB50F16G-A-QFN12 Mouser Part No 634-M8BB50F16GAQFN12	Silicon Labs	8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 0.5 kB RAM 9 GPIO BB5 8-bit MCU Learn More about Silicon Labs efm8bb50 mcus	Datasheet	1,207In Stock	$1.24 $0.979 $0.876 $0.782 View $0.736 $0.703 $0.676 $0.647 $0.63	Min.: 1 Mult.: 1		16 kB	512 B	QFN-12	50 MHz	12 bit	9 I/O	1.8 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	BB50		Cut Tape
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 0.5 kB RAM 12 GPIO BB5 8-bit MCU EFM8BB50F16G-A-QFN16 Silicon Labs 1: $1.37 973In Stock	Mfr. Part No. EFM8BB50F16G-A-QFN16 Mouser Part No 634-M8BB50F16GAQFN16	Silicon Labs	8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 0.5 kB RAM 12 GPIO BB5 8-bit MCU Learn More about Silicon Labs efm8bb50 mcus	Datasheet	973In Stock	$1.37 $1.05 $0.94 $0.821 View $0.763 $0.729 $0.70 $0.67 $0.653	Min.: 1 Mult.: 1		16 kB	512 B	QFN-16	50 MHz	12 bit	12 I/O	1.8 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	BB50		Cut Tape
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 0.5 kB RAM 12 GPIO BB5 8-bit MCU EFM8BB50F16G-A-SOIC16 Silicon Labs 1: $1.63 1,544In Stock	Mfr. Part No. EFM8BB50F16G-A-SOIC16 Mouser Part No 634-M8BB50F16GASIC16	Silicon Labs	8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 0.5 kB RAM 12 GPIO BB5 8-bit MCU Learn More about Silicon Labs efm8bb50 mcus	Datasheet	1,544In Stock	$1.63 $1.40 $1.23 $1.13 View $0.994 $0.941 $0.792 $0.721 $0.699	Min.: 1 Mult.: 1		16 kB	512 B	SOIC-16	50 MHz	12 bit	12 I/O	1.8 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	BB50		Tube
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 0.5 kB RAM 12 GPIO BB5 8-bit MCU EFM8BB50F16I-A-SOIC16 Silicon Labs 1: $1.60 959In Stock	Mfr. Part No. EFM8BB50F16I-A-SOIC16 Mouser Part No 634-M8BB50F16IASIC16	Silicon Labs	8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 0.5 kB RAM 12 GPIO BB5 8-bit MCU Learn More about Silicon Labs efm8bb50 mcus	Datasheet	959In Stock	$1.60 $1.24 $1.11 $0.994 View $0.93 $0.891 $0.862 $0.823 $0.802	Min.: 1 Mult.: 1		16 kB	512 B	SOIC-16	50 MHz	12 bit	12 I/O	1.8 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 125 C	BB50		Tube
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 4 kB flash 0.5 kB RAM 9 GPIO BB5 8-bit MCU EFM8BB50F4G-A-QFN12 Silicon Labs 1: $1.02 706In Stock	Mfr. Part No. EFM8BB50F4G-A-QFN12 Mouser Part No 634-M8BB50F4GAQFN12	Silicon Labs	8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 4 kB flash 0.5 kB RAM 9 GPIO BB5 8-bit MCU Learn More about Silicon Labs efm8bb50 mcus	Datasheet	706In Stock	$1.02 $0.789 $0.73 $0.672 View $0.532 $0.509 $0.495	Min.: 1 Mult.: 1		4 kB	512 B	QFN-12	50 MHz	12 bit	9 I/O	1.8 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	BB50		Cut Tape
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 4 kB flash 0.5 kB RAM 12 GPIO BB5 8-bit MCU EFM8BB50F4I-A-SOIC16 Silicon Labs 1: $1.33 648In Stock	Mfr. Part No. EFM8BB50F4I-A-SOIC16 Mouser Part No 634-M8BB50F4IASOIC16	Silicon Labs	8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 4 kB flash 0.5 kB RAM 12 GPIO BB5 8-bit MCU Learn More about Silicon Labs efm8bb50 mcus	Datasheet	648In Stock	$1.33 $1.03 $0.913 $0.821 View $0.764 $0.73 $0.702 $0.67 $0.653	Min.: 1 Mult.: 1		4 kB	512 B	SOIC-16	50 MHz	12 bit	12 I/O	1.8 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 125 C	BB50		Tube
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 8 kB flash 0.5 kB RAM 12 GPIO BB5 8-bit MCU EFM8BB50F8G-A-SOIC16 Silicon Labs 1: $1.43 995In Stock	Mfr. Part No. EFM8BB50F8G-A-SOIC16 Mouser Part No 634-M8BB50F8GASOIC16	Silicon Labs	8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 8 kB flash 0.5 kB RAM 12 GPIO BB5 8-bit MCU Learn More about Silicon Labs efm8bb50 mcus	Datasheet	995In Stock	$1.43 $1.11 $0.987 $0.884 View $0.827 $0.792 $0.767 $0.732 $0.713	Min.: 1 Mult.: 1		8 kB	512 B	SOIC-16	50 MHz	12 bit	12 I/O	1.8 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C			Tube
8-bit Microcontrollers - MCU 8051 50 MHz 16 kB 8-bit MCU C8051F390-A-GM Silicon Labs 1: $5.62 1,317In Stock	Mfr. Part No. C8051F390-A-GM Mouser Part No 634-C8051F390-A-GM	Silicon Labs	8-bit Microcontrollers - MCU 8051 50 MHz 16 kB 8-bit MCU Learn More about Silicon Labs siliconlabs c8051f37x	Datasheet	1,317In Stock	$5.62 $4.64 $3.93 $3.75 View $3.74 $3.47 $3.13 $3.07	Min.: 1 Mult.: 1	8051	16 kB	1 kB	QFN-24	50 MHz	10 bit	21 I/O	1.8 V	3.6 V	SMD/SMT	8 bit	- 40 C	+ 105 C	C8051F390		Tube
8-bit Microcontrollers - MCU 8051 50 MHz 16 kB LFO 8-bit MCU C8051F392-A-GM Silicon Labs 1: $5.37 683In Stock 1,911Expected 2/11/2026	Mfr. Part No. C8051F392-A-GM Mouser Part No 634-C8051F392-A-GM	Silicon Labs	8-bit Microcontrollers - MCU 8051 50 MHz 16 kB LFO 8-bit MCU Learn More about Silicon Labs siliconlabs c8051f37x	Datasheet	683In Stock 1,911Expected 2/11/2026	$5.37 $4.49 $3.77 $3.59 View $3.50 $3.36 $3.16 $3.03	Min.: 1 Mult.: 1	8051	16 kB	1 kB	QFN-20	50 MHz	10 bit	17 I/O	1.8 V	3.6 V	SMD/SMT	8 bit	- 40 C	+ 105 C	C8051F392		Tube
8-bit Microcontrollers - MCU 8051 50 MHz 64 kB 5 V CAN LIN 8-bit MCU C8051F502-IM Silicon Labs 1: $15.93 548In Stock	Mfr. Part No. C8051F502-IM Mouser Part No 634-C8051F502-IM	Silicon Labs	8-bit Microcontrollers - MCU 8051 50 MHz 64 kB 5 V CAN LIN 8-bit MCU	Datasheet	548In Stock	$15.93 $12.77 $11.51 $10.77 View $10.47 $10.06 $9.94 Quote	Min.: 1 Mult.: 1	8051	64 kB	4.25 kB	QFN-32	50 MHz	12 bit	25 I/O	1.8 V	5.25 V	SMD/SMT	8 bit	- 40 C	+ 125 C	C8051F502	AEC-Q100	Tube
8-bit Microcontrollers - MCU 8051 50 MHz 32 kB 5 V CAN LIN 8-bit MCU C8051F550-IM Silicon Labs 1: $12.24 1,969In Stock	Mfr. Part No. C8051F550-IM Mouser Part No 634-C8051F550-IM	Silicon Labs	8-bit Microcontrollers - MCU 8051 50 MHz 32 kB 5 V CAN LIN 8-bit MCU	Datasheet	1,969In Stock	$12.24 $9.79 $8.72 $8.15 View $7.94 $7.41 $7.30 $7.10 Quote	Min.: 1 Mult.: 1	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	C8051F550	AEC-Q100	Tube
8-bit Microcontrollers - MCU 8051 50 MHz 32 kB 5 V 8-bit MCU C8051F553-IM Silicon Labs 1: $11.79 Non-Stocked Lead-Time 12 Weeks	Mfr. Part No. C8051F553-IM Mouser Part No 634-C8051F553-IM	Silicon Labs	8-bit Microcontrollers - MCU 8051 50 MHz 32 kB 5 V 8-bit MCU	Datasheet	Non-Stocked Lead-Time 12 Weeks	$11.79 $9.78 $8.31 $7.96 View $7.51 $6.39 $6.23	Min.: 1 Mult.: 1	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	Tube
8-bit Microcontrollers - MCU 32K Flash 50MHz 8051 1.71V to 5.5V CY8C3245LTI-163 Infineon Technologies 1: $13.26 533In Stock	Mfr. Part No. CY8C3245LTI-163 Mouser Part No 727-CY8C3245LTI-163	Infineon Technologies	8-bit Microcontrollers - MCU 32K Flash 50MHz 8051 1.71V to 5.5V Learn More about Infineon Technologies cypresspsoc3	Datasheet	533In Stock	$13.26 $10.32 $9.14 $8.77 View $8.36 $7.82 Quote	Min.: 1 Mult.: 1	8051	32 kB	4 kB	QFN-68	50 MHz	12 bit	46 I/O	1.71 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	CY8C3245		Tray
8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU EFM8BB21F16I-C-QSOP24 Silicon Labs 1: $2.60 3,126In Stock End of Life	Mfr. Part No. EFM8BB21F16I-C-QSOP24 Mouser Part No 634-8BB21F16ICQSOP24 End of Life	Silicon Labs	8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU Learn More about Silicon Labs siliconlabs efm8 busy bee	Datasheet	3,126In Stock	$2.60 $2.20 $1.93 $1.82 View $1.65 $1.40	Min.: 1 Mult.: 1	CIP-51 8051	16 kB	2.3 kB	QSOP-24	50 MHz	12 bit	21 I/O	2.2 V	3.6 V	SMD/SMT	8 bit	- 40 C	+ 125 C	EFM8BB2		Tube
8-bit Microcontrollers - MCU 8051 50 MHz 64 kB 5 V 8-bit MCU C8051F501-IM Silicon Labs 1: $17.30 600In Stock End of Life	Mfr. Part No. C8051F501-IM Mouser Part No 634-C8051F501-IM End of Life	Silicon Labs	8-bit Microcontrollers - MCU 8051 50 MHz 64 kB 5 V 8-bit MCU	Datasheet	600In Stock	$17.30 $13.90 $12.73 $11.78 View $11.68 $10.88 $10.87 Quote	Min.: 1 Mult.: 1	8051	64 kB	4.25 kB	QFN-48	50 MHz	12 bit	40 I/O	1.8 V	5.25 V	SMD/SMT	8 bit	- 40 C	+ 125 C	C8051F501	AEC-Q100	Tube
8-bit Microcontrollers - MCU 8051 50 MHz 128 kB 5 V CAN LIN 8-bit MCU C8051F582-IM Silicon Labs 1: $21.75 1,736In 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	1,736In Stock	$21.75 $18.05 $15.72 $15.27 View $14.52 $13.59 $13.08	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 8051 50 MHz 64 kB flash 4.25 kB RAM 8-bit Busy Bee MCU EFM8BB31F64I-D-5QFN32 Silicon Labs 1: $6.12 1,358In Stock End of Life	Mfr. Part No. EFM8BB31F64I-D-5QFN32 Mouser Part No 634-EF8BB31F64ID5F32 End of Life	Silicon Labs	8-bit Microcontrollers - MCU 8051 50 MHz 64 kB flash 4.25 kB RAM 8-bit Busy Bee MCU Learn More about Silicon Labs siliconlabs efm8 busy bee	Datasheet	1,358In Stock	$6.12 $4.05 $3.70 $3.14 View $2.98 $2.68 $2.49 $2.31 $2.30	Min.: 1 Mult.: 1	CIP-51 8051	64 kB	4.35 kB	QFN-32	50 MHz	10 bit, 12 bit	29 I/O	2.2 V	3.6 V	SMD/SMT	8 bit	- 40 C	+ 125 C			Tube
8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU EFM8BB21F16I-C-QFN20 Silicon Labs 1: $2.38 3,266In Stock	Mfr. Part No. EFM8BB21F16I-C-QFN20 Mouser Part No 634-8BB21F16I-CQFN20	Silicon Labs	8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU Learn More about Silicon Labs siliconlabs efm8 busy bee	Datasheet	3,266In Stock	$2.38 $2.01 $1.77 $1.65 View $1.60 $1.39 $1.17 $1.10	Min.: 1 Mult.: 1	CIP-51 8051	16 kB	2.3 kB	QFN-20	50 MHz	12 bit	16 I/O	2.2 V	3.6 V	SMD/SMT	8 bit	- 40 C	+ 125 C	EFM8BB2		Tube
8-bit Microcontrollers - MCU 8051 25 MHz 8 kB flash 2 kB RAM 8-bit Universal Bee MCU EFM8UB10F8G-C-QFN20 Silicon Labs 1: $2.42 7,587In Stock	Mfr. Part No. EFM8UB10F8G-C-QFN20 Mouser Part No 634-8UB10F8GCQFN20	Silicon Labs	8-bit Microcontrollers - MCU 8051 25 MHz 8 kB flash 2 kB RAM 8-bit Universal Bee MCU	Datasheet	7,587In Stock	$2.42 $2.05 $1.80 $1.67 View $1.63 $1.44 $1.34 $1.29 $1.27	Min.: 1 Mult.: 1	CIP-51 8051	8 kB	2.25 kB	QFN-20	50 MHz	12 bit	13 I/O	2.2 V	3.6 V	SMD/SMT	8 bit	- 40 C	+ 85 C	EFM8UB		Tube