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QFN-20 Microcontrollers - MCU

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (GBP) 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 8-Bit UL PWR MCU 8Kbytes -40 to 85 STM8L101F3U6ATR STMicroelectronics 1: £1.42 69In Stock	Mfr. Part No. STM8L101F3U6ATR Mouser Part No 511-STM8L101F3U6ATR	STMicroelectronics	8-bit Microcontrollers - MCU 8-Bit UL PWR MCU 8Kbytes -40 to 85 Learn More about STMicroelectronics stm8l	Datasheet	69In Stock	Cut Tape £1.42 £1.05 £0.882 £0.841 Reel £0.681 View £0.811 £0.704 £0.687 £0.674 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	QFN-20	STM8	8 kB	8 bit	No ADC	16 MHz	18 I/O	1.5 kB	1.65 V	3.6 V	- 40 C	+ 85 C		Reel, Cut Tape, MouseReel
32-bit Microcontrollers - MCU 8KB RAM 79 Power microMIPS PIC32MM0064GPL020-I/ML Microchip Technology 1: £1.39 597In Stock	Mfr. Part No. PIC32MM0064GPL020-I/ML Mouser Part No 579-MM0064GPL020IML	Microchip Technology	32-bit Microcontrollers - MCU 8KB RAM 79 Power microMIPS Learn More about Microchip Technology microchip pic32mm microcontrollers	Datasheet	597In Stock	£1.39 £1.27 £1.14	Min.: 1 Mult.: 1	SMD/SMT	QFN-20	MIPS32 microAptiv UC	64 kB	32 bit	10 bit/12 bit	25 MHz	16 I/O	8 kB	2 V	3.6 V	- 40 C	+ 85 C	AEC-Q100	Tube
8-bit Microcontrollers - MCU 7KB FLASH 256B RAM 18 I/O 10-BIT ADC PIC16F1508-I/ML Microchip Technology 1: £1.13 152In Stock	Mfr. Part No. PIC16F1508-I/ML Mouser Part No 579-PIC16F1508-I/ML	Microchip Technology	8-bit Microcontrollers - MCU 7KB FLASH 256B RAM 18 I/O 10-BIT ADC Learn More about Microchip Technology microchip pic16f15xx microcontrollers	Datasheet	152In Stock	£1.13 £1.04 £0.943	Min.: 1 Mult.: 1	SMD/SMT	QFN-20	PIC16	4 kB	8 bit	10 bit	20 MHz	18 I/O	256 B	2.3 V	5.5 V	- 40 C	+ 85 C		Tube
8-bit Microcontrollers - MCU 4K Wrd Flsh 512B RAM Hi-Spd Comp 10B ADC PIC16F1708-I/ML Microchip Technology 1: £1.15 461In Stock	Mfr. Part No. PIC16F1708-I/ML Mouser Part No 579-PIC16F1708-I/ML	Microchip Technology	8-bit Microcontrollers - MCU 4K Wrd Flsh 512B RAM Hi-Spd Comp 10B ADC Learn More about Microchip Technology microchip intelligent analog PIC	Datasheet	461In Stock	£1.15 £1.05 £0.969	Min.: 1 Mult.: 1	SMD/SMT	QFN-20	PIC16	7 kB	8 bit	10 bit	32 MHz	18 I/O	512 B	2.3 V	5.5 V	- 40 C	+ 85 C	AEC-Q100	Tube
8-bit Microcontrollers - MCU 7.1 KB 256 RAM 18I/O PIC16F690-I/ML Microchip Technology 1: £2.03 418In Stock	Mfr. Part No. PIC16F690-I/ML Mouser Part No 579-PIC16F690-I/ML	Microchip Technology	8-bit Microcontrollers - MCU 7.1 KB 256 RAM 18I/O	Datasheet	418In Stock	£2.03	Min.: 1 Mult.: 1	SMD/SMT	QFN-20	PIC16	7 kB	8 bit	10 bit	20 MHz	18 I/O	256 B	4.5 V	5.5 V	- 40 C	+ 85 C		Tube
8-bit Microcontrollers - MCU 8KBFlash 256bytesRAM 256bytesEEPROM PIC18F13K22-E/ML Microchip Technology 1: £1.75 382In Stock	Mfr. Part No. PIC18F13K22-E/ML Mouser Part No 579-PIC18F13K22-E/ML	Microchip Technology	8-bit Microcontrollers - MCU 8KBFlash 256bytesRAM 256bytesEEPROM Learn More about Microchip Technology microchip automotive 8bit mcus	Datasheet	382In Stock	£1.75 £1.71	Min.: 1 Mult.: 1	SMD/SMT	QFN-20	PIC18	8 kB	8 bit	10 bit	64 MHz	17 I/O	256 B	2.3 V	5.5 V	- 40 C	+ 125 C		Tube
8-bit Microcontrollers - MCU 8KBFlash 256bytesRAM 256bytesEEPROM PIC18F13K22-I/ML Microchip Technology 1: £1.59 503In Stock	Mfr. Part No. PIC18F13K22-I/ML Mouser Part No 579-PIC18F13K22-I/ML	Microchip Technology	8-bit Microcontrollers - MCU 8KBFlash 256bytesRAM 256bytesEEPROM Learn More about Microchip Technology microchipxlp	Datasheet	503In Stock	£1.59 £1.47 £1.32	Min.: 1 Mult.: 1	SMD/SMT	QFN-20	PIC18	8 kB	8 bit	10 bit	64 MHz	17 I/O	256 B	2.3 V	5.5 V	- 40 C	+ 85 C		Tube
16-bit Microcontrollers - MCU 16KB FLASH 1KB RAM 3V 10-BIT ADC PIC24F16KL401-I/MQ Microchip Technology 1: £2.05 409In Stock	Mfr. Part No. PIC24F16KL401-I/MQ Mouser Part No 579-PIC24F16KL401IMQ	Microchip Technology	16-bit Microcontrollers - MCU 16KB FLASH 1KB RAM 3V 10-BIT ADC Learn More about Microchip Technology microchip pic24f kl	Datasheet	409In Stock	£2.05 £1.89 £1.71	Min.: 1 Mult.: 1	SMD/SMT	QFN-20	PIC24F	16 kB	16 bit	10 bit	32 MHz	18 I/O	1 kB	1.8 V	3.6 V	- 40 C	+ 85 C	AEC-Q100	Tube
8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU EFM8BB21F16G-C-QFN20 Silicon Labs 1: £1.28 50In Stock 2,520Expected 08/01/2027	Mfr. Part No. EFM8BB21F16G-C-QFN20 Mouser Part No 634-8BB21F16GCQFN20	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	50In Stock 2,520Expected 08/01/2027	£1.28 £1.09 £0.952 £0.796	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	+ 85 C		Tube
8-bit Microcontrollers - MCU 8051 25 MHz 16 kB flash 2 kB RAM 8-bit Universal Bee MCU EFM8UB10F16G-C-QFN20 Silicon Labs 1: £1.94 164In Stock	Mfr. Part No. EFM8UB10F16G-C-QFN20 Mouser Part No 634-8UB10F16GCQFN20	Silicon Labs	8-bit Microcontrollers - MCU 8051 25 MHz 16 kB flash 2 kB RAM 8-bit Universal Bee MCU	Datasheet	164In Stock	£1.94 £1.63 £1.42 £1.34 £1.20	Min.: 1 Mult.: 1	SMD/SMT	QFN-20	CIP-51 8051	16 kB	8 bit	12 bit	50 MHz	13 I/O	2.25 kB	2.2 V	3.6 V	- 40 C	+ 85 C		Tube
8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU EFM8BB21F16A-C-QFN20R Silicon Labs 1: £2.50 298In Stock	Mfr. Part No. EFM8BB21F16A-C-QFN20R Mouser Part No 634-BB21F16ACQFN20R	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	298In Stock	Cut Tape £2.50 £1.86 £1.70 £1.53 Reel £1.30 View £1.44 £1.41 £1.34 £1.27	Min.: 1 Mult.: 1 : 2,500	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	Reel, Cut Tape
8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU EFM8BB21F16I-C-QFN20R Silicon Labs 1: £1.39 331In Stock	Mfr. Part No. EFM8BB21F16I-C-QFN20R Mouser Part No 634-BB21F16ICQFN20R	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	331In Stock	Cut Tape £1.39 £1.18 £1.04 £0.978 View Reel £0.678 £0.78 £0.747 £0.678 £0.678 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	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		Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 1.28 kB RAM 16 GPIO BB5 8-bit MCU EFM8BB51F16G-C-QFN20 Silicon Labs 1: £0.811 151In Stock	Mfr. Part No. EFM8BB51F16G-C-QFN20 Mouser Part No 634-EFM851F16GCQFN20	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	151In Stock	£0.811 £0.586 £0.527 £0.464 View £0.433 £0.416 £0.402 £0.383 £0.375	Min.: 1 Mult.: 1	SMD/SMT	QFN-20		16 kB				16 I/O	1.28 kB	1.8 V	5.5 V	- 40 C	+ 85 C		Cut Tape
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 1.28 kB RAM 16 GPIO BB5 8-bit MCU EFM8BB51F16G-C-QFN20R Silicon Labs 1: £0.698 1,016In Stock 7,500On Order	Mfr. Part No. EFM8BB51F16G-C-QFN20R Mouser Part No 634-EFM851F16GQFN20R	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	1,016In Stock 7,500On Order	Cut Tape £0.698 £0.502 £0.453 £0.398 View Reel £0.356 £0.373 £0.357 £0.356	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 16 kB flash 1.28 kB RAM 16 GPIO BB5 8-bit MCU EFM8BB51F16I-C-QFN20 Silicon Labs 1: £0.856 194In Stock	Mfr. Part No. EFM8BB51F16I-C-QFN20 Mouser Part No 634-EFM851F16ICQFN20	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	194In Stock	£0.856 £0.619 £0.557 £0.491 View £0.458 £0.438 £0.425 £0.406 £0.395	Min.: 1 Mult.: 1	SMD/SMT	QFN-20		16 kB				16 I/O	1.28 kB	1.8 V	5.5 V	- 40 C	+ 85 C		Cut Tape
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 1.28 kB RAM 16 GPIO BB5 8-bit MCU EFM8BB52F16G-C-QFN20 Silicon Labs 1: £0.691 234In Stock	Mfr. Part No. EFM8BB52F16G-C-QFN20 Mouser Part No 634-EFM852F16GCQFN20	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	234In Stock	£0.691 £0.55 £0.392 £0.375 View £0.36 £0.345 £0.335	Min.: 1 Mult.: 1	SMD/SMT	QFN-20		16 kB				16 I/O	1.28 kB	1.8 V	5.5 V	- 40 C	+ 85 C		Cut Tape
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 1.28 kB RAM 16 GPIO BB5 8-bit MCU EFM8BB52F16G-C-QFN20R Silicon Labs 1: £0.721 874In Stock	Mfr. Part No. EFM8BB52F16G-C-QFN20R Mouser Part No 634-EFM852F16GQFN20R	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	874In Stock	Cut Tape £0.721 £0.519 £0.467 £0.41 Reel £0.34 View £0.383 £0.368 £0.356 £0.332	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 8 kB flash 1.28 kB RAM 16 GPIO BB5 8-bit MCU EFM8BB51F8G-C-QFN20 Silicon Labs 1: £0.743 294In Stock	Mfr. Part No. EFM8BB51F8G-C-QFN20 Mouser Part No 634-EFM8B51F8GCQFN20	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	294In Stock	£0.743 £0.535 £0.482 £0.423 View £0.396 £0.379 £0.368 £0.351 £0.342	Min.: 1 Mult.: 1	SMD/SMT	QFN-20		16 kB				16 I/O	1.28 kB	1.8 V	5.5 V	- 40 C	+ 85 C		Cut Tape
8-bit Microcontrollers - MCU 7.1 KB 256 RAM 18I/O PIC16F685-E/ML Microchip Technology 1: £2.09 37In Stock	Mfr. Part No. PIC16F685-E/ML Mouser Part No 579-PIC16F685-E/ML	Microchip Technology	8-bit Microcontrollers - MCU 7.1 KB 256 RAM 18I/O	Datasheet	37In Stock	£2.09	Min.: 1 Mult.: 1	SMD/SMT	QFN-20	PIC16	7 kB	8 bit	10 bit	20 MHz	18 I/O	256 B	4.5 V	5.5 V	- 40 C	+ 125 C		Tube
8-bit Microcontrollers - MCU 7 KB FLASH 256 B SRAM, 18 I/O PIC16F721T-I/ML Microchip Technology 1: £1.14 60In Stock	Mfr. Part No. PIC16F721T-I/ML Mouser Part No 579-PIC16F721T-I/ML	Microchip Technology	8-bit Microcontrollers - MCU 7 KB FLASH 256 B SRAM, 18 I/O Learn More about Microchip Technology microchip automotive 8bit mcus	Datasheet	60In Stock	Cut Tape £1.14 £1.10 Reel £0.943	Min.: 1 Mult.: 1 : 3,300	SMD/SMT	QFN-20	PIC16	7 kB	8 bit	8 bit	16 MHz	18 I/O	256 B	1.8 V	5.5 V	- 40 C	+ 85 C		Reel, Cut Tape
8-bit Microcontrollers - MCU 7KB FLASH 256B RAM PIC16LF1508-E/ML Microchip Technology 1: £1.22 12In Stock	Mfr. Part No. PIC16LF1508-E/ML Mouser Part No 579-PIC16LF1508-E/ML	Microchip Technology	8-bit Microcontrollers - MCU 7KB FLASH 256B RAM	Datasheet	12In Stock	£1.22 £1.13 £1.03	Min.: 1 Mult.: 1	SMD/SMT	QFN-20	PIC16	7 kB	8 bit	10 bit	20 MHz	18 I/O	256 B	1.8 V	3.6 V	- 40 C	+ 125 C		Tube
8-bit Microcontrollers - MCU 8051 25 MHz 4 kB Flash 0.5 kB RAM 8-bit Busy Bee MCU EFM8BB10F4G-A-QFN20 Silicon Labs 1: £0.917 218In Stock	Mfr. Part No. EFM8BB10F4G-A-QFN20 Mouser Part No 634-8BB10F4GAQF20	Silicon Labs	8-bit Microcontrollers - MCU 8051 25 MHz 4 kB Flash 0.5 kB RAM 8-bit Busy Bee MCU Learn More about Silicon Labs siliconlabs efm8 busy bee	Datasheet	218In Stock	£0.917 £0.668 £0.604 £0.534 View £0.501 £0.48 £0.459 £0.446 £0.436	Min.: 1 Mult.: 1	SMD/SMT	QFN-20	CIP-51 8051	4 kB	8 bit	12 bit	25 MHz	16 I/O	512 B	2.2 V	3.6 V	- 40 C	+ 85 C		Tube
8-bit Microcontrollers - MCU 8051 25 MHz 8 kB flash 0.5 kB RAM 8-bit Sleepy Bee MCU EFM8SB10F8G-A-QFN20 Silicon Labs 1: £1.23 17,031On Order	Mfr. Part No. EFM8SB10F8G-A-QFN20 Mouser Part No 634-8SB10F8GAQF20	Silicon Labs	8-bit Microcontrollers - MCU 8051 25 MHz 8 kB flash 0.5 kB RAM 8-bit Sleepy Bee MCU Learn More about Silicon Labs silabs efm8 sleepy bee	Datasheet	17,031On Order On Order Ship Dates Mfr. No: EFM8SB10F8G-A-QFN20 Stock: 0 On Order: 2,331 Expected 10/11/2026 14,700 Expected 18/12/2026 Factory Lead Time: 12 Weeks	£1.23 £0.917 £0.834 £0.735 View £0.69 £0.663 £0.656 £0.613 £0.599	Min.: 1 Mult.: 1	SMD/SMT	QFN-20	CIP-51 8051	8 kB	8 bit	12 bit	25 MHz	16 I/O	512 B	1.8 V	3.6 V	- 40 C	+ 85 C		Tube
8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU EFM8BB21F16G-C-QFN20R Silicon Labs 1: £1.20 93,467Expected 08/01/2027	Mfr. Part No. EFM8BB21F16G-C-QFN20R Mouser Part No 634-8BB21F16GCQFN20R	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	93,467Expected 08/01/2027	Cut Tape £1.20 £0.882 £0.796 £0.708 View Reel £0.592 £0.665 £0.639 £0.631 £0.592 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	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	+ 85 C		Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU 8051 25 MHz 16 kB flash 2 kB RAM 8-bit Universal Bee MCU EFM8UB10F16G-C-QFN20R Silicon Labs 1: £1.98 49,037On Order	Mfr. Part No. EFM8UB10F16G-C-QFN20R Mouser Part No 634-8UB10F16GCQFN20R	Silicon Labs	8-bit Microcontrollers - MCU 8051 25 MHz 16 kB flash 2 kB RAM 8-bit Universal Bee MCU	Datasheet	49,037On Order On Order Ship Dates Mfr. No: EFM8UB10F16G-C-QFN20R Stock: 0 On Order: 40,037 Expected 08/01/2027 9,000 Expected 12/01/2027 Factory Lead Time: 31 Weeks	Cut Tape £1.98 £1.66 £1.46 £1.38 View Reel £1.13 £1.35 £1.20 £1.13 £1.13 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	SMD/SMT	QFN-20	CIP-51 8051	16 kB	8 bit	12 bit	50 MHz	13 I/O	2.25 kB	2.2 V	3.6 V	- 40 C	+ 85 C		Reel, Cut Tape, MouseReel