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Silicon Labs 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.	Mounting Style	Package/Case	Core	Program Memory Size	Data Bus Width	ADC Resolution	Maximum Clock Frequency	Number of I/Os	Data RAM Size	Supply Voltage - Min	Supply Voltage - Max	Minimum Operating Temperature	Maximum Operating Temperature	Qualification	Packaging
8-bit Microcontrollers - MCU 8KB,24ADC,28Pin MCU C8051F351-GM Silicon Labs 1: $21.81 978In Stock NRND	Mfr. Part No. C8051F351-GM Mouser Part No 634-C8051F351-GM NRND	Silicon Labs	8-bit Microcontrollers - MCU 8KB,24ADC,28Pin MCU	Datasheet	978In Stock	$21.81 $17.08 $15.86 $14.61 View $14.47 $13.56 $13.31 Quote	Min.: 1 Mult.: 1	SMD/SMT	QFN-28	8051	8 kB	8 bit	24 bit	50 MHz	17 I/O	768 B	2.7 V	3.6 V	- 40 C	+ 85 C		Tube
8-bit Microcontrollers - MCU 8051 50 MHz 16 kB 8-bit MCU C8051F390-A-GM Silicon Labs 1: $5.94 997In Stock NRND	Mfr. Part No. C8051F390-A-GM Mouser Part No 634-C8051F390-A-GM NRND	Silicon Labs	8-bit Microcontrollers - MCU 8051 50 MHz 16 kB 8-bit MCU Learn More about Silicon Labs siliconlabs c8051f37x	Datasheet	997In Stock	$5.94 $4.49 $4.12 $3.71 View $3.52 $3.51 $3.29 $3.21	Min.: 1 Mult.: 1	SMD/SMT	QFN-24	8051	16 kB	8 bit	10 bit	50 MHz	21 I/O	1 kB	1.8 V	3.6 V	- 40 C	+ 105 C		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 NRND	Mfr. Part No. C8051F502-IM Mouser Part No 634-C8051F502-IM NRND	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	SMD/SMT	QFN-32	8051	64 kB	8 bit	12 bit	50 MHz	25 I/O	4.25 kB	1.8 V	5.25 V	- 40 C	+ 125 C	AEC-Q100	Tube
8-bit Microcontrollers - MCU 8051 50 MHz 32 kB 5 V CAN LIN 8-bit MCU C8051F550-IM Silicon Labs 1: $12.58 1,814In Stock NRND	Mfr. Part No. C8051F550-IM Mouser Part No 634-C8051F550-IM NRND	Silicon Labs	8-bit Microcontrollers - MCU 8051 50 MHz 32 kB 5 V CAN LIN 8-bit MCU	Datasheet	1,814In Stock	$12.58 $9.75 $9.04 $8.26 View $7.89 $7.66 $7.45 $7.07	Min.: 1 Mult.: 1	SMD/SMT	QFN-24	8051	32 kB	8 bit	12 bit	50 MHz	18 I/O	2.25 kB	1.8 V	5.25 V	- 40 C	+ 125 C	AEC-Q100	Tube
8-bit Microcontrollers - MCU 8051 50 MHz 32 kB 5 V 8-bit MCU C8051F553-IM Silicon Labs 1: $12.10 Non-Stocked Lead-Time 12 Weeks NRND	Mfr. Part No. C8051F553-IM Mouser Part No 634-C8051F553-IM NRND	Silicon Labs	8-bit Microcontrollers - MCU 8051 50 MHz 32 kB 5 V 8-bit MCU	Datasheet	Non-Stocked Lead-Time 12 Weeks	$12.10 $9.67 $8.62 $8.05 View $7.85 $7.33 $6.62 $6.43	Min.: 1 Mult.: 1	SMD/SMT	QFN-24	8051	32 kB	8 bit	12 bit	50 MHz	18 I/O	2.25 kB	1.8 V	5.25 V	- 40 C	+ 125 C	AEC-Q100	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 3,229In 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	3,229In Stock	$2.38 $2.01 $1.77 $1.65 View $1.60 $1.39 $1.17 $1.10	Min.: 1 Mult.: 1	SMD/SMT	QFN-20	CIP-51 8051	16 kB	8 bit	12 bit	50 MHz	16 I/O	2.3 kB	2.2 V	3.6 V	- 40 C	+ 125 C		Tube
8-bit Microcontrollers - MCU 8051 25 MHz 8 kB flash 0.5 kB RAM 8-bit Sleepy Bee MCU EFM8SB10F8G-A-CSP16R Silicon Labs 1: $2.71 4,899In Stock 7,500On Order	Mfr. Part No. EFM8SB10F8G-A-CSP16R Mouser Part No 634-8SB10F8GA-CSP16R	Silicon Labs	8-bit Microcontrollers - MCU 8051 25 MHz 8 kB flash 0.5 kB RAM 8-bit Sleepy Bee MCU	Datasheet	4,899In Stock 7,500On Order	Cut Tape $2.71 $2.00 $1.82 $1.62 Reel $1.39 View $1.52 $1.47 $1.41 $1.34 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	SMD/SMT	CSP-16	CIP-51 8051	8 kB	8 bit	12 bit	25 MHz	13 I/O	256 B	3.6 V	2.2 V	- 40 C	+ 85 C		Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU 8051 50 MHz 64 kB flash 4.25 kB RAM 8-bit Busy Bee MCU EFM8BB31F64G-D-QFN24R Silicon Labs 1: $4.99 2,120In Stock	Mfr. Part No. EFM8BB31F64G-D-QFN24R Mouser Part No 634-EF8BB31F64GDF24R	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	2,120In Stock	Cut Tape $4.99 $3.37 $3.13 $2.72 Reel $2.11 View $2.54 $2.23 $2.11 $1.80 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	SMD/SMT	QFN-24	CIP-51 8051	64 kB	8 bit	10 bit, 12 bit	50 MHz	20 I/O	4.35 kB	2.2 V	3.6 V	- 40 C	+ 85 C		Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU 8051 50 MHz 64 kB flash 4.25 kB RAM 8-bit Busy Bee MCU EFM8BB31F64G-D-QFN24 Silicon Labs 1: $3.44 5,887In Stock	Mfr. Part No. EFM8BB31F64G-D-QFN24 Mouser Part No 634-EF8BB31F64GDQF24	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	5,887In Stock	$3.44 $2.90 $2.53 $2.37 View $2.12 $1.97 $1.82 $1.75	Min.: 1 Mult.: 1	SMD/SMT	QFN-24	CIP-51 8051	64 kB	8 bit	10 bit, 12 bit	50 MHz	20 I/O	4.35 kB	2.2 V	3.6 V	- 40 C	+ 85 C		Tube
8-bit Microcontrollers - MCU 8051 50 MHz 64 kB flash 4.25 kB RAM 8-bit Busy Bee MCU EFM8BB31F64G-D-QFN32 Silicon Labs 1: $3.79 2,323In Stock 4,900Expected 13/11/2026	Mfr. Part No. EFM8BB31F64G-D-QFN32 Mouser Part No 634-EF8BB31F64GDQN32	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	2,323In Stock 4,900Expected 13/11/2026	$3.79 $2.99 $2.68 $2.46 View $2.31 $2.08	Min.: 1 Mult.: 1	SMD/SMT	QFN-32	CIP-51 8051	64 kB	8 bit	10 bit, 12 bit	50 MHz	29 I/O	4.35 kB	2.2 V	3.6 V	- 40 C	+ 85 C		Tray
8-bit Microcontrollers - MCU 8051 50 MHz 64 kB flash 4.25 kB RAM 8-bit Busy Bee MCU EFM8BB31F64I-D-4QFN24R Silicon Labs 1: $3.88 993In Stock 1,500Expected 30/11/2026	Mfr. Part No. EFM8BB31F64I-D-4QFN24R Mouser Part No 634-EF8BB31F64ID424R	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	993In Stock 1,500Expected 30/11/2026	Cut Tape $3.88 $2.88 $2.64 $2.37 Reel $2.14 View $2.24 $2.19 $2.12 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	SMD/SMT	QFN-24	CIP-51 8051	64 kB	8 bit	10 bit, 12 bit	50 MHz	20 I/O	4.35 kB	2.2 V	3.6 V	- 40 C	+ 125 C		Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU 8051 50 MHz 64 kB flash 4.25 kB RAM 8-bit Busy Bee MCU EFM8BB31F64I-D-4QFN24 Silicon Labs 1: $4.08 2,758In Stock	Mfr. Part No. EFM8BB31F64I-D-4QFN24 Mouser Part No 634-EF8BB31F64ID4F24	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	2,758In Stock	$4.08 $3.05 $2.77 $2.71 View $2.37 $2.14	Min.: 1 Mult.: 1	SMD/SMT	QFN-24	CIP-51 8051	64 kB	8 bit	10 bit, 12 bit	50 MHz	20 I/O	4.35 kB	2.2 V	3.6 V	- 40 C	+ 125 C		Tube
8-bit Microcontrollers - MCU 8051 50 MHz 64 kB flash 4.25 kB RAM 8-bit Busy Bee MCU EFM8BB31F64I-D-QFN32R Silicon Labs 1: $4.16 2,500In Stock	Mfr. Part No. EFM8BB31F64I-D-QFN32R Mouser Part No 634-EF8BB31F64IDN32R	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	2,500In Stock	Cut Tape $4.16 $3.10 $2.83 $2.54 Reel $2.16 View $2.39 $2.34 $2.23 $2.12	Min.: 1 Mult.: 1 : 2,500	SMD/SMT	QFN-32	CIP-51 8051	64 kB	8 bit	10 bit, 12 bit	50 MHz	29 I/O	4.35 kB	2.2 V	3.6 V	- 40 C	+ 125 C		Reel, Cut Tape
8-bit Microcontrollers - MCU 8051 50 MHz 64 kB flash 4.25 kB RAM 8-bit Busy Bee MCU EFM8BB31F64I-D-QFN32 Silicon Labs 1: $4.18 1,517In Stock	Mfr. Part No. EFM8BB31F64I-D-QFN32 Mouser Part No 634-EF8BB31F64IDQN32	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	1,517In Stock	$4.18 $3.11 $2.84 $2.56 View $2.41 $2.35 $2.24 $2.16 $2.12	Min.: 1 Mult.: 1	SMD/SMT	QFN-32	CIP-51 8051	64 kB	8 bit	10 bit, 12 bit	50 MHz	29 I/O	4.35 kB	2.2 V	3.6 V	- 40 C	+ 125 C		Tray
ARM Microcontrollers - MCU ARM Cortex-M0+ 48 MHz 128 kB flash 32 kB RAM MCU EFM32TG11B120F128GQ48-BR Silicon Labs 1: $7.62 860In Stock	Mfr. Part No. EFM32TG11B120F128GQ48-BR Mouser Part No 634-EFM32TG128GQ48BR	Silicon Labs	ARM Microcontrollers - MCU ARM Cortex-M0+ 48 MHz 128 kB flash 32 kB RAM MCU Learn More about Silicon Labs energymicroefm32tg	Datasheet	860In Stock	Cut Tape $7.62 $5.79 $5.34 $4.84 Reel $4.41 View $4.61 $4.46 $4.35	Min.: 1 Mult.: 1 : 1,000	SMD/SMT	QFP-48	ARM Cortex M0+	128 kB	32 bit	12 bit	48 MHz	37 I/O	32 kB	1.8 V	3.8 V	- 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-QFN20R Silicon Labs 1: $1.51 12,398In Stock	Mfr. Part No. EFM8BB51F16I-C-QFN20R Mouser Part No 634-EFM851F16IQFN20R	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	12,398In Stock	Cut Tape $1.51 $1.29 $1.13 $1.04 Reel $0.732 View $0.964 $0.883 $0.808 $0.62	Min.: 1 Mult.: 1 : 2,500	SMD/SMT	QFN-20		16 kB				16 I/O	1.28 kB	1.8 V	5.5 V	- 40 C	+ 85 C		Reel, Cut Tape
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 32 kB flash 2.304 kB RAM 29 GPIO BB5 8-bit MCU EFM8BB52F32G-C-QFN32R Silicon Labs 1: $1.51 4,000In Stock	Mfr. Part No. EFM8BB52F32G-C-QFN32R Mouser Part No 634-EFM852F32GQFN32R	Silicon Labs	8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 32 kB flash 2.304 kB RAM 29 GPIO BB5 8-bit MCU Learn More about Silicon Labs silabs efm8bb51 efm8bb52 busy bee mcus	Datasheet	4,000In Stock	Cut Tape $1.51 $1.09 $0.982 $0.864 Reel $0.715 View $0.808 $0.772 $0.748 $0.698	Min.: 1 Mult.: 1 : 2,500	SMD/SMT	QFN-32		16 kB				16 I/O	1.28 kB	1.8 V	5.5 V	- 40 C	+ 85 C		Reel, Cut Tape
8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU EFM8BB21F16A-C-QFN20 Silicon Labs 1: $4.57 2,443In Stock	Mfr. Part No. EFM8BB21F16A-C-QFN20 Mouser Part No 634-EFM8BB21F16FN20	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	2,443In Stock	$4.57 $3.60 $3.22 $2.95 View $2.84 $2.69 $2.62 $2.57 $2.50	Min.: 1 Mult.: 1	SMD/SMT	QFN-20	CIP-51 8051	16 kB	8 bit	12 bit	50 MHz	16 I/O	2.25 kB	2.2 V	3.6 V	- 40 C	+ 125 C	AEC-Q100	Tube
ARM Microcontrollers - MCU ARM Cortex-M0+ 32-bit 25 MHz 64 kB MCU EFM32HG210F64G-C-QFN32R Silicon Labs 1: $7.21 640In Stock	Mfr. Part No. EFM32HG210F64G-C-QFN32R Mouser Part No 634-HG210F64GCQFN32R	Silicon Labs	ARM Microcontrollers - MCU ARM Cortex-M0+ 32-bit 25 MHz 64 kB MCU Learn More about Silicon Labs efm32 happy gecko mcus	Datasheet	640In Stock	Cut Tape $7.21 $5.67 $5.07 $4.71 View Reel $3.79 $4.58 $4.49 $3.79	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	QFN-32	ARM Cortex M0+	64 kB	32 bit	12 bit	25 MHz	22 I/O	8 kB	1.98 V	3.8 V	- 40 C	+ 85 C		Reel, Cut Tape
ARM Microcontrollers - MCU ARM Cortex-M0+ 32-bit 25 MHz 64 kB USB MCU EFM32HG322F64G-C-QFP48R Silicon Labs 1: $8.30 504In Stock 1,000Expected 5/2/2027	Mfr. Part No. EFM32HG322F64G-C-QFP48R Mouser Part No 634-HG322F64GCQFP48R	Silicon Labs	ARM Microcontrollers - MCU ARM Cortex-M0+ 32-bit 25 MHz 64 kB USB MCU Learn More about Silicon Labs efm32 happy gecko mcus	Datasheet	504In Stock 1,000Expected 5/2/2027	Cut Tape $8.30 $6.32 $5.82 $5.28 $5.18 Reel $4.39 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	SMD/SMT	TQFP-48	ARM Cortex M0+	64 kB	32 bit	12 bit	25 MHz	35 I/O	8 kB	1.98 V	3.8 V	- 40 C	+ 85 C		Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU 8051 75 MHz 32 kB flash 2.25 kB RAM 8-bit Laser Bee MCU EFM8LB12F32E-C-QFN24R Silicon Labs 1: $4.12 980In Stock	Mfr. Part No. EFM8LB12F32E-C-QFN24R Mouser Part No 634-LB12F32ECQFN24R	Silicon Labs	8-bit Microcontrollers - MCU 8051 75 MHz 32 kB flash 2.25 kB RAM 8-bit Laser Bee MCU Learn More about Silicon Labs silabs efm8 laser bee	Datasheet	980In Stock	Cut Tape $4.12 $3.07 $2.80 $2.52 Reel $2.14 View $2.38 $2.33 $2.20 $2.09 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	SMD/SMT	QFN-24	CIP-51 8051	32 kB	8 bit	10 bit/12 bit/14 bit	72 MHz	20 I/O	2.25 kB	2.2 V	3.6 V	- 40 C	+ 105 C		Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU 8051 75 MHz 64 kB flash 4.25 kB RAM 8-bit Laser Bee MCU EFM8LB12F64E-C-QFN32R Silicon Labs 1: $4.81 3,867In Stock	Mfr. Part No. EFM8LB12F64E-C-QFN32R Mouser Part No 634-LB12F64ECQFN32R	Silicon Labs	8-bit Microcontrollers - MCU 8051 75 MHz 64 kB flash 4.25 kB RAM 8-bit Laser Bee MCU Learn More about Silicon Labs silabs efm8 laser bee	Datasheet	3,867In Stock	Cut Tape $4.81 $3.74 $3.33 $3.06 View Reel $2.42 $2.98 $2.86 $2.42	Min.: 1 Mult.: 1 : 2,500	SMD/SMT	QFN-32	CIP-51 8051	64 kB	8 bit	10 bit/12 bit/14 bit	72 MHz	29 I/O	4.25 kB	2.2 V	3.6 V	- 40 C	+ 105 C		Reel, Cut Tape
8-bit Microcontrollers - MCU 8kB/768B RAM, 10b ADC, 10b DAC, QFN20 OTP available (T630-GM) C8051F330-GMR Silicon Labs 1: $14.33 1,063In Stock 3,000Expected 11/6/2027 NRND	Mfr. Part No. C8051F330-GMR Mouser Part No 634-C8051F330-GMR NRND	Silicon Labs	8-bit Microcontrollers - MCU 8kB/768B RAM, 10b ADC, 10b DAC, QFN20 OTP available (T630-GM)	Datasheet	1,063In Stock 3,000Expected 11/6/2027	Cut Tape $14.33 $11.90 $10.40 $9.55 View Reel $7.64 $9.14 $9.00 $7.64 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	SMD/SMT	QFN-20	8051	8 kB	8 bit	10 bit	25 MHz	17 I/O	768 B	2.7 V	3.6 V	- 40 C	+ 85 C		Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU 8051 25 MHz 16 kB LFO 8-bit MCU C8051F338-GM Silicon Labs 1: $15.84 57In Stock NRND	Mfr. Part No. C8051F338-GM Mouser Part No 634-C8051F338-GM NRND	Silicon Labs	8-bit Microcontrollers - MCU 8051 25 MHz 16 kB LFO 8-bit MCU	Datasheet	57In Stock	$15.84 $12.40 $11.55 $10.61 View $10.50 $9.89 $9.66 Quote	Min.: 1 Mult.: 1	SMD/SMT	QFN-24	8051	16 kB	8 bit	10 bit	25 MHz	21 I/O	768 B	2.7 V	3.6 V	- 40 C	+ 85 C		Tube
8-bit Microcontrollers - MCU 8051 50 MHz 64 kB 8-bit MCU C8051F381-GM Silicon Labs 1: $9.87 415In Stock 1,533Expected 18/6/2027 NRND	Mfr. Part No. C8051F381-GM Mouser Part No 634-C8051F381-GM NRND	Silicon Labs	8-bit Microcontrollers - MCU 8051 50 MHz 64 kB 8-bit MCU Learn More about Silicon Labs silabs usb mcus	Datasheet	415In Stock 1,533Expected 18/6/2027	$9.87 $7.62 $7.04 $6.42 View $5.96 $5.94 $5.77	Min.: 1 Mult.: 1	SMD/SMT	QFN-32	8051	64 kB	8 bit	10 bit	48 MHz	25 I/O	4.25 kB	2.7 V	5.25 V	- 40 C	+ 85 C		Tube