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QFN-20 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.	Mounting Style	Package/Case	Core	Data Bus Width	Maximum Clock Frequency	Program Memory Size	Data RAM Size	ADC Resolution	Number of I/Os	Supply Voltage - Min	Supply Voltage - Max	Maximum Operating Temperature	Qualification	Packaging
8-bit Microcontrollers - MCU 8-bit Ultralow MCU 20 pin 4kb Flash STM8L151F2U6TR STMicroelectronics 1: $2.36 2,125In Stock	Mfr. Part No. STM8L151F2U6TR Mouser Part No 511-STM8L151F2U6TR	STMicroelectronics	8-bit Microcontrollers - MCU 8-bit Ultralow MCU 20 pin 4kb Flash Learn More about STMicroelectronics stm8l	Datasheet	2,125In Stock	Cut Tape $2.36 $1.73 $1.48 $1.32 Reel $0.955 View $1.24 $1.09 $1.08 $0.944 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	QFN-20	STM8	8 bit	16 MHz	4 kB	1 kB	12 bit	18 I/O	1.8 V	3.6 V	+ 85 C		Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU 14KB FL 1KBRAM 32MHz 12I/0 Enhanced XLP PIC16LF1829T-I/ML Microchip Technology 1: $2.09 9,740In Stock 9,900Expected 19/11/2026	Mfr. Part No. PIC16LF1829T-I/ML Mouser Part No 579-PIC16LF1829TI/ML	Microchip Technology	8-bit Microcontrollers - MCU 14KB FL 1KBRAM 32MHz 12I/0 Enhanced XLP Learn More about Microchip Technology microchipxlp	Datasheet	9,740In Stock 9,900Expected 19/11/2026	Cut Tape $2.09 $2.01 Reel $1.74 MouseReel Available	Min.: 1 Mult.: 1 : 3,300	SMD/SMT	QFN-20	PIC16	8 bit	32 MHz	14 kB	1 kB	10 bit	18 I/O	2.3 V	3.6 V	+ 85 C		Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU 16KBFlash 512byteRAM 256bytesEEPROM PIC18F14K22-I/ML Microchip Technology 1: $2.30 8,482In Stock	Mfr. Part No. PIC18F14K22-I/ML Mouser Part No 579-PIC18F14K22-I/ML	Microchip Technology	8-bit Microcontrollers - MCU 16KBFlash 512byteRAM 256bytesEEPROM Learn More about Microchip Technology microchipxlp	Datasheet	8,482In Stock	$2.30 $2.11 $1.91	Min.: 1 Mult.: 1	SMD/SMT	QFN-20	PIC18	8 bit	64 MHz	16 kB	512 B	10 bit	17 I/O	2.3 V	5.5 V	+ 85 C		Tube
8-bit Microcontrollers - MCU 8051 25 MHz 8 kB flash 2 kB RAM 8-bit Universal Bee MCU EFM8UB10F8G-C-QFN20R Silicon Labs 1: $1.42 50,313In Stock	Mfr. Part No. EFM8UB10F8G-C-QFN20R Mouser Part No 634-8UB10F8GCQFN20R	Silicon Labs	8-bit Microcontrollers - MCU 8051 25 MHz 8 kB flash 2 kB RAM 8-bit Universal Bee MCU	Datasheet	50,313In Stock	Cut Tape $1.42 $1.11 $0.998 $0.93 Reel $0.827 View $0.886 $0.866 $0.765 $0.755 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	SMD/SMT	QFN-20	CIP-51 8051	8 bit	50 MHz	8 kB	2.25 kB	12 bit	13 I/O	2.2 V	3.6 V	+ 85 C		Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU 7KB Flash, 128EE, 512B RAM, 10b ADC, PWM, CCP, HLT, WDT, PPS, EUSART, SPI/I2C PIC16F18044T-I/ML Microchip Technology 1: $0.73 1,162In Stock	Mfr. Part No. PIC16F18044T-I/ML Mouser Part No 579-PIC16F18044TIML	Microchip Technology	8-bit Microcontrollers - MCU 7KB Flash, 128EE, 512B RAM, 10b ADC, PWM, CCP, HLT, WDT, PPS, EUSART, SPI/I2C Learn More about Microchip Technology microchip pic16f18015 25 44 45 mcus	Datasheet	1,162In Stock	Cut Tape $0.73 $0.704 Reel $0.60 MouseReel Available	Min.: 1 Mult.: 1 : 3,300	SMD/SMT	QFN-20	RISC	8 bit	32 MHz	7 kB	512 B	10 bit	18 I/O	1.8 V	5.5 V	+ 85 C		Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU 14KB Flash, 128EE, 1KB RAM, 10b ADC, PWM, CCP, HLT, WDT, PPS, EUSART, SPI/I2C PIC16F18045-E/ML Microchip Technology 1: $0.88 594In Stock	Mfr. Part No. PIC16F18045-E/ML Mouser Part No 579-PIC16F18045-E/ML	Microchip Technology	8-bit Microcontrollers - MCU 14KB Flash, 128EE, 1KB RAM, 10b ADC, PWM, CCP, HLT, WDT, PPS, EUSART, SPI/I2C Learn More about Microchip Technology microchip pic16f18015 25 44 45 mcus	Datasheet	594In Stock	$0.88 $0.81 $0.73	Min.: 1 Mult.: 1	SMD/SMT	QFN-20	RISC	8 bit	32 MHz	14 kB	1 kB	10 bit	18 I/O	1.8 V	5.5 V	+ 125 C		Tube
8-bit Microcontrollers - MCU 7KB, 512 B RAM, 4xPWMs, Comparator, DAC, ADC, CWG, 2xEUSART, SPI/I2C PIC16LF15344-E/ML Microchip Technology 1: $1.26 632In Stock	Mfr. Part No. PIC16LF15344-E/ML Mouser Part No 579-PIC16LF15344-EML	Microchip Technology	8-bit Microcontrollers - MCU 7KB, 512 B RAM, 4xPWMs, Comparator, DAC, ADC, CWG, 2xEUSART, SPI/I2C Learn More about Microchip Technology microchip pic16lf153 microcontrollers	Datasheet	632In Stock	$1.26 $1.16 $1.04	Min.: 1 Mult.: 1	SMD/SMT	QFN-20	PIC	8 bit	32 MHz	7 kB	512 B	10 bit	18 I/O	1.8 V	3.6 V	+ 125 C		Tube
8-bit Microcontrollers - MCU 20MHZ QFN HIGH GRADE 125C GRN ATTINY1616-MFR Microchip Technology 1: $0.92 13,813In Stock	Mfr. Part No. ATTINY1616-MFR Mouser Part No 556-ATTINY1616MFR	Microchip Technology	8-bit Microcontrollers - MCU 20MHZ QFN HIGH GRADE 125C GRN Learn More about Microchip Technology microchip attiny1614 6 7	Datasheet	13,813In Stock	Cut Tape $0.92 $0.888 Reel $0.888	Min.: 1 Mult.: 1 : 6,000	SMD/SMT	QFN-20	AVR	8 bit	16 MHz	16 kB	2 kB	10 bit	18 I/O	1.8 V	5.5 V	+ 125 C	AEC-Q100	Reel, Cut Tape
8-bit Microcontrollers - MCU 20MHZ QFN 85C GRN ATTINY1616-MNR Microchip Technology 1: $0.90 11,326In Stock	Mfr. Part No. ATTINY1616-MNR Mouser Part No 556-ATTINY1616MNR	Microchip Technology	8-bit Microcontrollers - MCU 20MHZ QFN 85C GRN Learn More about Microchip Technology microchip attiny1614 6 7	Datasheet	11,326In Stock	Cut Tape $0.90 $0.873 Reel $0.873 MouseReel Available	Min.: 1 Mult.: 1 : 6,000	SMD/SMT	QFN-20	AVR	8 bit	20 MHz	16 kB	2 kB	10 bit	18 I/O	1.8 V	5.5 V	+ 105 C		Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU 20MHz, Ind Temp 1.8-5.5V, Green ATTINY24A-MU Microchip Technology 1: $0.89 3,052In Stock	Mfr. Part No. ATTINY24A-MU Mouser Part No 556-ATTINY24A-MU	Microchip Technology	8-bit Microcontrollers - MCU 20MHz, Ind Temp 1.8-5.5V, Green Learn More about Microchip Technology microchip automotive 8bit mcus	Datasheet	3,052In Stock	$0.89 $0.80 $0.73	Min.: 1 Mult.: 1	SMD/SMT	QFN-20	AVR	8 bit	20 MHz	2 kB	128 B	10 bit	12 I/O	1.8 V	5.5 V	+ 85 C		Tray
8-bit Microcontrollers - MCU AVR 2KB FLSH 128B EE USI ADC 20MHz, IND ATTINY24A-MUR Microchip Technology 1: $0.97 4,053In Stock	Mfr. Part No. ATTINY24A-MUR Mouser Part No 556-ATTINY24A-MUR	Microchip Technology	8-bit Microcontrollers - MCU AVR 2KB FLSH 128B EE USI ADC 20MHz, IND Learn More about Microchip Technology microchip automotive 8bit mcus	Datasheet	4,053In Stock	Cut Tape $0.97 $0.934 Reel $0.934 MouseReel Available	Min.: 1 Mult.: 1 : 6,000	SMD/SMT	QFN-20	AVR	8 bit	20 MHz	2 kB	128 B	10 bit	12 I/O	1.8 V	5.5 V	+ 85 C		Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU 20MHz Ind. Grade ATTINY84A-MU Microchip Technology 1: $1.03 3,504In Stock	Mfr. Part No. ATTINY84A-MU Mouser Part No 556-ATTINY84A-MU	Microchip Technology	8-bit Microcontrollers - MCU 20MHz Ind. Grade Learn More about Microchip Technology microchip automotive 8bit mcus	Datasheet	3,504In Stock	$1.03 $0.93 $0.85	Min.: 1 Mult.: 1	SMD/SMT	QFN-20	AVR	8 bit	20 MHz	8 kB	512 B	10 bit	12 I/O	1.8 V	5.5 V	+ 85 C		Tray
8-bit Microcontrollers - MCU 8K Word Flash 1024B RAM,10-bit ADC PIC16F1709-I/ML Microchip Technology 1: $1.62 1,360In Stock	Mfr. Part No. PIC16F1709-I/ML Mouser Part No 579-PIC16F1709-I/ML	Microchip Technology	8-bit Microcontrollers - MCU 8K Word Flash 1024B RAM,10-bit ADC Learn More about Microchip Technology microchip automotive 8bit mcus	Datasheet	1,360In Stock	$1.62 $1.49 $1.35	Min.: 1 Mult.: 1	SMD/SMT	QFN-20	PIC16	8 bit	32 MHz	14 kB	1 kB	10 bit	18 I/O	2.3 V	5.5 V	+ 85 C	AEC-Q100	Tube
8-bit Microcontrollers - MCU 8-Bit MCU, 7KB Flash 512 RAM 10bit DAC PIC16F1768T-I/ML Microchip Technology 1: $2.00 1,238In Stock	Mfr. Part No. PIC16F1768T-I/ML Mouser Part No 579-PIC16F1768T-I/ML	Microchip Technology	8-bit Microcontrollers - MCU 8-Bit MCU, 7KB Flash 512 RAM 10bit DAC Learn More about Microchip Technology microchip automotive 8bit mcus	Datasheet	1,238In Stock	Cut Tape $2.00 $1.95 Reel $1.65	Min.: 1 Mult.: 1 : 3,300	SMD/SMT	QFN-20	PIC16										AEC-Q100	Reel, Cut Tape
8-bit Microcontrollers - MCU 8KBFlash 256bytesRAM 256bytesEEPROM PIC18F13K22T-I/ML Microchip Technology 1: $2.18 3,718In Stock	Mfr. Part No. PIC18F13K22T-I/ML Mouser Part No 579-PIC18F13K22TI/ML	Microchip Technology	8-bit Microcontrollers - MCU 8KBFlash 256bytesRAM 256bytesEEPROM Learn More about Microchip Technology microchip automotive 8bit mcus	Datasheet	3,718In Stock	Cut Tape $2.18 $2.13 Reel $1.82 MouseReel Available	Min.: 1 Mult.: 1 : 3,300	SMD/SMT	QFN-20	PIC18	8 bit	64 MHz	8 kB	256 B	10 bit	17 I/O	2.3 V	5.5 V	+ 85 C		Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU 16KB Flash 512bytes RAM 256bytes EEPROM PIC18LF14K22-I/ML Microchip Technology 1: $2.30 2,042In Stock	Mfr. Part No. PIC18LF14K22-I/ML Mouser Part No 579-PIC18LF14K22I/ML	Microchip Technology	8-bit Microcontrollers - MCU 16KB Flash 512bytes RAM 256bytes EEPROM Learn More about Microchip Technology microchipxlp	Datasheet	2,042In Stock	$2.30 $2.11 $1.91	Min.: 1 Mult.: 1	SMD/SMT	QFN-20	PIC18	8 bit	64 MHz	16 kB	512 B	10 bit	18 I/O	1.8 V	3.6 V	+ 85 C		Tube
8-bit Microcontrollers - MCU 16KB Flash 512bytes RAM 256bytes EEPROM PIC18LF14K22T-I/ML Microchip Technology 1: $2.35 2,672In Stock	Mfr. Part No. PIC18LF14K22T-I/ML Mouser Part No 579-PIC18LF14K22TIML	Microchip Technology	8-bit Microcontrollers - MCU 16KB Flash 512bytes RAM 256bytes EEPROM Learn More about Microchip Technology microchipxlp	Datasheet	2,672In Stock	Cut Tape $2.35 $2.32 $2.18 Reel $1.96 MouseReel Available	Min.: 1 Mult.: 1 : 3,300	SMD/SMT	QFN-20	PIC18	8 bit	64 MHz	16 kB	512 B	10 bit	18 I/O	1.8 V	3.6 V	+ 85 C		Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU 8051 25 MHz 2 kB flash 0.25 kB RAM 8-bit Busy Bee MCU EFM8BB10F2G-A-QFN20R Silicon Labs 1: $0.86 15,521In Stock	Mfr. Part No. EFM8BB10F2G-A-QFN20R Mouser Part No 634-8BB10F2GAQF20R	Silicon Labs	8-bit Microcontrollers - MCU 8051 25 MHz 2 kB flash 0.25 kB RAM 8-bit Busy Bee MCU Learn More about Silicon Labs siliconlabs efm8 busy bee	Datasheet	15,521In Stock	Cut Tape $0.86 $0.662 $0.591 $0.539 Reel $0.445 View $0.521 $0.48 $0.455 $0.439 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	SMD/SMT	QFN-20	CIP-51 8051	8 bit	25 MHz	2 kB	256 B	12 bit	16 I/O	2.2 V	3.6 V	+ 85 C		Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU 8051 25 MHz 2 kB flash 0.25 kB RAM 8-bit Sleepy Bee MCU EFM8SB10F2G-A-QFN20 Silicon Labs 1: $1.33 7,303In Stock	Mfr. Part No. EFM8SB10F2G-A-QFN20 Mouser Part No 634-8SB10F2GAQF20	Silicon Labs	8-bit Microcontrollers - MCU 8051 25 MHz 2 kB flash 0.25 kB RAM 8-bit Sleepy Bee MCU Learn More about Silicon Labs silabs efm8 sleepy bee	Datasheet	7,303In Stock	$1.33 $1.03 $0.918 $0.816 View $0.789 $0.748 $0.731 $0.706 $0.672	Min.: 1 Mult.: 1	SMD/SMT	QFN-20	CIP-51 8051	8 bit	25 MHz	2 kB	256 B	12 bit	16 I/O	1.8 V	3.6 V	+ 85 C		Tube
8-bit Microcontrollers - MCU 8051 25 MHz 2 kB flash 0.25 kB RAM 8-bit Sleepy Bee MCU EFM8SB10F2G-A-QFN20R Silicon Labs 1: $1.36 3,318In Stock 16,500Expected 04/12/2026	Mfr. Part No. EFM8SB10F2G-A-QFN20R Mouser Part No 634-8SB10F2GAQF20R	Silicon Labs	8-bit Microcontrollers - MCU 8051 25 MHz 2 kB flash 0.25 kB RAM 8-bit Sleepy Bee MCU	Datasheet	3,318In Stock 16,500Expected 04/12/2026	Cut Tape $1.36 $1.05 $0.927 $0.844 Reel $0.764 View $0.823 $0.764 $0.674 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	SMD/SMT	QFN-20	CIP-51 8051	8 bit	25 MHz	2 kB	256 B	12 bit	16 I/O	1.8 V	3.6 V	+ 85 C		Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU 7KB, 512 B RAM, 4xPWMs, Comparator, DAC, ADC, CWG, 2xEUSART, SPI/I2C PIC16F15344-E/ML Microchip Technology 1: $1.26 612In Stock	Mfr. Part No. PIC16F15344-E/ML Mouser Part No 579-PIC16F15344-E/ML	Microchip Technology	8-bit Microcontrollers - MCU 7KB, 512 B RAM, 4xPWMs, Comparator, DAC, ADC, CWG, 2xEUSART, SPI/I2C Learn More about Microchip Technology microchip pic16lf153 microcontrollers	Datasheet	612In Stock	$1.26 $1.16 $1.04	Min.: 1 Mult.: 1	SMD/SMT	QFN-20	PIC	8 bit	32 MHz	7 kB	512 B	10 bit	18 I/O	2.3 V	5.5 V	+ 125 C		Tube
8-bit Microcontrollers - MCU 20MHz, Ind.Grade Grn,AVR,16KFl, USART ATTINY1634-MUR Microchip Technology 1: $1.34 5,757In Stock NRND	Mfr. Part No. ATTINY1634-MUR Mouser Part No 556-ATTINY1634-MUR NRND	Microchip Technology	8-bit Microcontrollers - MCU 20MHz, Ind.Grade Grn,AVR,16KFl, USART	Datasheet	5,757In Stock	Cut Tape $1.34 $1.32 Reel $1.32 MouseReel Available	Min.: 1 Mult.: 1 : 6,000	SMD/SMT	QFN-20	AVR	8 bit	12 MHz	16 kB	1 kB	10 bit	18 I/O	1.8 V	5.5 V	+ 85 C		Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU AVR 4K FLASH 256B EE & SRAM USI ADC 5V ATTINY44-20MU Microchip Technology 1: $2.27 623In Stock NRND	Mfr. Part No. ATTINY44-20MU Mouser Part No 556-ATTINY44-20MU NRND	Microchip Technology	8-bit Microcontrollers - MCU AVR 4K FLASH 256B EE & SRAM USI ADC 5V Learn More about Microchip Technology microchip automotive 8bit mcus	Datasheet	623In Stock	$2.27 $2.09 $1.87	Min.: 1 Mult.: 1	SMD/SMT	QFN-20	AVR	8 bit	20 MHz	4 kB	256 B	10 bit	12 I/O	2.7 V	5.5 V	+ 85 C		Tray
8-bit Microcontrollers - MCU 1.8V, 20MHz Industrial Temp ATTINY44A-MU Microchip Technology 1: $0.94 454In Stock NRND	Mfr. Part No. ATTINY44A-MU Mouser Part No 556-ATTINY44A-MU NRND	Microchip Technology	8-bit Microcontrollers - MCU 1.8V, 20MHz Industrial Temp Learn More about Microchip Technology microchip automotive 8bit mcus	Datasheet	454In Stock	$0.94 $0.86 $0.78	Min.: 1 Mult.: 1	SMD/SMT	QFN-20	AVR	8 bit	20 MHz	4 kB	256 B	10 bit	12 I/O	1.8 V	5.5 V	+ 85 C		Tray
8-bit Microcontrollers - MCU 8-bit Ultralow MCU 20 pin 8kb Flash STM8L151F3U6TR STMicroelectronics 1: $2.25 2,213In Stock	Mfr. Part No. STM8L151F3U6TR Mouser Part No 511-STM8L151F3U6TR	STMicroelectronics	8-bit Microcontrollers - MCU 8-bit Ultralow MCU 20 pin 8kb Flash Learn More about STMicroelectronics stm8l	Datasheet	2,213In Stock	Cut Tape $2.25 $1.66 $1.42 $1.35 Reel $1.06 View $1.15 $1.13 $1.05 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	QFN-20	STM8	8 bit	16 MHz	8 kB	1 kB	12 bit	18 I/O	1.8 V	3.6 V	+ 85 C		Reel, Cut Tape, MouseReel