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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 3.5 KB 128 RAM 18I/O PIC16F677-E/ML Microchip Technology 1: $2.12 364In Stock	Mfr. Part No. PIC16F677-E/ML Mouser Part No 579-PIC16F677-E/ML	Microchip Technology	8-bit Microcontrollers - MCU 3.5 KB 128 RAM 18I/O	Datasheet	364In Stock	$2.12 $2.08 $2.04	Min.: 1 Mult.: 1	SMD/SMT	QFN-20	PIC16	8 bit	20 MHz	3.5 kB	128 B	10 bit	18 I/O	4.5 V	5.5 V	+ 125 C		Tube
8-bit Microcontrollers - MCU 3.5 KB 128 RAM 18I/O PIC16F677-I/ML Microchip Technology 1: $1.95 185In Stock	Mfr. Part No. PIC16F677-I/ML Mouser Part No 579-PIC16F677-I/ML	Microchip Technology	8-bit Microcontrollers - MCU 3.5 KB 128 RAM 18I/O	Datasheet	185In Stock	$1.95 $1.91 $1.89	Min.: 1 Mult.: 1	SMD/SMT	QFN-20	PIC16	8 bit	20 MHz	3.5 kB	128 B	10 bit	18 I/O	4.5 V	5.5 V	+ 85 C		Tube
8-bit Microcontrollers - MCU 3.5 KB FLASH 128 B SRAM, 18 I/O PIC16F720-I/ML Microchip Technology 1: $1.40 218In Stock	Mfr. Part No. PIC16F720-I/ML Mouser Part No 579-PIC16F720-I/ML	Microchip Technology	8-bit Microcontrollers - MCU 3.5 KB FLASH 128 B SRAM, 18 I/O Learn More about Microchip Technology microchip automotive 8bit mcus	Datasheet	218In Stock	$1.40 $1.28 $1.18	Min.: 1 Mult.: 1	SMD/SMT	QFN-20	PIC16	8 bit	16 MHz	3.5 kB	128 B	8 bit	18 I/O	1.8 V	5.5 V	+ 85 C		Tube
8-bit Microcontrollers - MCU 7 KB FLASH 256 B SRAM, 18 I/O PIC16F721-I/ML Microchip Technology 1: $1.46 83In Stock	Mfr. Part No. PIC16F721-I/ML Mouser Part No 579-PIC16F721-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	83In Stock	$1.46 $1.31 $1.22	Min.: 1 Mult.: 1	SMD/SMT	QFN-20	PIC16	8 bit	16 MHz	7 kB	256 B	8 bit	18 I/O	1.8 V	5.5 V	+ 85 C		Tube
8-bit Microcontrollers - MCU 7 KB FLASH 256 B SRAM, 18 I/O PIC16F721T-I/ML Microchip Technology 1: $1.52 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 $1.52 $1.47 Reel $1.26	Min.: 1 Mult.: 1 : 3,300	SMD/SMT	QFN-20	PIC16	8 bit	16 MHz	7 kB	256 B	8 bit	18 I/O	1.8 V	5.5 V	+ 85 C		Reel, Cut Tape
8-bit Microcontrollers - MCU 3.5 KB 128 RAM 18I/O PIC16F785-I/ML Microchip Technology 1: $2.50 229In Stock	Mfr. Part No. PIC16F785-I/ML Mouser Part No 579-PIC16F785-I/ML	Microchip Technology	8-bit Microcontrollers - MCU 3.5 KB 128 RAM 18I/O	Datasheet	229In Stock	$2.50	Min.: 1 Mult.: 1	SMD/SMT	QFN-20	PIC16	8 bit	20 MHz	3.5 kB	128 B	10 bit	18 I/O	2 V	5.5 V	+ 85 C		Tube
8-bit Microcontrollers - MCU 7KB FLASH 256B RAM PIC16LF1508-E/ML Microchip Technology 1: $1.63 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	$1.63 $1.51 $1.37	Min.: 1 Mult.: 1	SMD/SMT	QFN-20	PIC16	8 bit	20 MHz	7 kB	256 B	10 bit	18 I/O	1.8 V	3.6 V	+ 125 C		Tube
8-bit Microcontrollers - MCU 14KB FLASH 512B RAM 18 I/O 10-BIT ADC PIC16LF1509-E/ML Microchip Technology 1: $1.73 134In Stock	Mfr. Part No. PIC16LF1509-E/ML Mouser Part No 579-PIC16LF1509-E/ML	Microchip Technology	8-bit Microcontrollers - MCU 14KB FLASH 512B RAM 18 I/O 10-BIT ADC	Datasheet	134In Stock	$1.73 $1.59 $1.43	Min.: 1 Mult.: 1	SMD/SMT	QFN-20	PIC16	8 bit	20 MHz	14 kB	512 B	10 bit	18 I/O	1.8 V	3.6 V	+ 125 C		Tube
8-bit Microcontrollers - MCU 14KB FLASH 512B RAM 18 I/O 10-BIT ADC PIC16LF1509-I/ML Microchip Technology 1: $1.58 909In Stock	Mfr. Part No. PIC16LF1509-I/ML Mouser Part No 579-PIC16LF1509-I/ML	Microchip Technology	8-bit Microcontrollers - MCU 14KB FLASH 512B RAM 18 I/O 10-BIT ADC	Datasheet	909In Stock	$1.58 $1.45 $1.30	Min.: 1 Mult.: 1	SMD/SMT	QFN-20	PIC16	8 bit	20 MHz	14 kB	512 B	10 bit	18 I/O	1.8 V	3.6 V	+ 85 C		Tube
8-bit Microcontrollers - MCU 8K Word Flash 1024B RAM,10-bit ADC PIC16LF1709-I/ML Microchip Technology 1: $1.62 283In Stock	Mfr. Part No. PIC16LF1709-I/ML Mouser Part No 579-PIC16LF1709-I/ML	Microchip Technology	8-bit Microcontrollers - MCU 8K Word Flash 1024B RAM,10-bit ADC	Datasheet	283In 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	1.8 V	3.6 V	+ 85 C		Tube
8-bit Microcontrollers - MCU 7 KB Flash 256B RAM 32 MHz Int Osc PIC16LF1828-I/ML Microchip Technology 1: $1.92 289In Stock	Mfr. Part No. PIC16LF1828-I/ML Mouser Part No 579-PIC16LF1828IML	Microchip Technology	8-bit Microcontrollers - MCU 7 KB Flash 256B RAM 32 MHz Int Osc	Datasheet	289In Stock	$1.92 $1.76 $1.60	Min.: 1 Mult.: 1	SMD/SMT	QFN-20	PIC16	8 bit	32 MHz	7 kB	256 B	10 bit	18 I/O	2.3 V	3.6 V	+ 85 C		Tube
8-bit Microcontrollers - MCU 14KB FL 1KBRAM 32MHz 12I/0 Enhanced XLP PIC16LF1829-E/ML Microchip Technology 1: $2.23 344In Stock	Mfr. Part No. PIC16LF1829-E/ML Mouser Part No 579-PIC16LF1829-E/ML	Microchip Technology	8-bit Microcontrollers - MCU 14KB FL 1KBRAM 32MHz 12I/0 Enhanced XLP Learn More about Microchip Technology microchipxlp	Datasheet	344In Stock	$2.23 $2.05 $1.84	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	3.6 V	+ 125 C		Tube
8-bit Microcontrollers - MCU 14KB FL 1KBRAM 32MHz 12I/0 Enhanced XLP PIC16LF1829-I/ML Microchip Technology 1: $2.03 453In Stock	Mfr. Part No. PIC16LF1829-I/ML Mouser Part No 579-PIC16LF1829-I/ML	Microchip Technology	8-bit Microcontrollers - MCU 14KB FL 1KBRAM 32MHz 12I/0 Enhanced XLP Learn More about Microchip Technology microchipxlp	Datasheet	453In Stock	$2.03 $1.86 $1.70	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	3.6 V	+ 85 C		Tube
16-bit Microcontrollers - MCU 4KB Flash512B RAM 3V 10-bit 500ksps ADC PIC24F04KA201-I/MQ Microchip Technology 1: $2.08 32In Stock 438Expected 26/10/2026	Mfr. Part No. PIC24F04KA201-I/MQ Mouser Part No 579-PIC24F04KA201IMQ	Microchip Technology	16-bit Microcontrollers - MCU 4KB Flash512B RAM 3V 10-bit 500ksps ADC Learn More about Microchip Technology microchipxlp	Datasheet	32In Stock 438Expected 26/10/2026	$2.08 $1.89 $1.70	Min.: 1 Mult.: 1	SMD/SMT	QFN-20	PIC24F	16 bit	32 MHz	4 kB	512 B	10 bit	18 I/O	1.8 V	3.6 V	+ 85 C	AEC-Q100	Tube
16-bit Microcontrollers - MCU 8KB Flash 1KB RAM 16-bit PIC24F Family PIC24F08KA101-I/MQ Microchip Technology 1: $2.93 400In Stock	Mfr. Part No. PIC24F08KA101-I/MQ Mouser Part No 579-PIC24F08KA101IMQ	Microchip Technology	16-bit Microcontrollers - MCU 8KB Flash 1KB RAM 16-bit PIC24F Family Learn More about Microchip Technology microchipxlp	Datasheet	400In Stock	$2.93 $2.66 $2.42	Min.: 1 Mult.: 1	SMD/SMT	QFN-20	PIC24F	16 bit	32 MHz	8 kB	1.5 kB	10 bit	18 I/O	1.8 V	3.6 V	+ 85 C	AEC-Q100	Tube
16-bit Microcontrollers - MCU 16KB Flash 2KB RAM 16-bit PIC24F Family PIC24F16KA101-I/MQ Microchip Technology 1: $3.05 175In Stock	Mfr. Part No. PIC24F16KA101-I/MQ Mouser Part No 579-PIC24F16KA101IMQ	Microchip Technology	16-bit Microcontrollers - MCU 16KB Flash 2KB RAM 16-bit PIC24F Family Learn More about Microchip Technology microchipxlp	Datasheet	175In Stock	$3.05 $2.76 $2.52	Min.: 1 Mult.: 1	SMD/SMT	QFN-20	PIC24F	16 bit	32 MHz	16 kB	1.5 kB	10 bit	18 I/O	1.8 V	3.6 V	+ 85 C	AEC-Q100	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: $1.11 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	$1.11 $0.904 $0.805 $0.79 View $0.702 $0.648 $0.637 $0.606 $0.599	Min.: 1 Mult.: 1	SMD/SMT	QFN-20	CIP-51 8051	8 bit	25 MHz	4 kB	512 B	12 bit	16 I/O	2.2 V	3.6 V	+ 85 C		Tube
8-bit Microcontrollers - MCU 8051 25 MHz 4 kB flash 0.5 kB RAM 8-bit Sleepy Bee MCU EFM8SB10F4G-A-QFN20 Silicon Labs 1: $2.36 2In Stock	Mfr. Part No. EFM8SB10F4G-A-QFN20 Mouser Part No 634-8SB10F4GAQF20	Silicon Labs	8-bit Microcontrollers - MCU 8051 25 MHz 4 kB flash 0.5 kB RAM 8-bit Sleepy Bee MCU Learn More about Silicon Labs silabs efm8 sleepy bee	Datasheet	2In Stock	$2.36 $1.16 $1.08 $1.02 View $0.964 $0.919 $0.877 $0.835 $0.825	Min.: 1 Mult.: 1	SMD/SMT	QFN-20	CIP-51 8051	8 bit	25 MHz	4 kB	512 B	12 bit	16 I/O	1.8 V	3.6 V	+ 85 C		Tube
8-bit Microcontrollers - MCU 16kB/1kB RAM, 10b ADC, 10b 2xDAC, QFN20 C8051F392-A-GMR Silicon Labs 1: $4.05 72In Stock	Mfr. Part No. C8051F392-A-GMR Mouser Part No 634-C8051F392-A-GMR	Silicon Labs	8-bit Microcontrollers - MCU 16kB/1kB RAM, 10b ADC, 10b 2xDAC, QFN20	Datasheet	72In Stock	Cut Tape $4.05 $3.57 $3.04 $2.58 Reel $2.23 View $2.50 $2.38 $2.27 $2.22 MouseReel Available	Min.: 1 Mult.: 1 : 1,500	SMD/SMT	QFN-20	8051	8 bit	50 MHz	16 kB	1 kB	10 bit	17 I/O	1.8 V	3.6 V	+ 105 C		Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU 8kB/512B RAM, ADC, QFN20 C8051F850-C-GMR Silicon Labs 1: $2.83 309In Stock	Mfr. Part No. C8051F850-C-GMR Mouser Part No 634-C8051F850-C-GMR	Silicon Labs	8-bit Microcontrollers - MCU 8kB/512B RAM, ADC, QFN20 Learn More about Silicon Labs silabs c8051f85 c8051f86 mcus	Datasheet	309In Stock	Cut Tape $2.83 $2.21 $1.78 $1.69 Reel $1.42 View $1.64 $1.45 $1.40 MouseReel Available	Min.: 1 Mult.: 1 : 1,500	SMD/SMT	QFN-20	8051	8 bit	25 MHz	8 kB	512 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 8 kB 5 V LIN 8-bit MCU C8051F530-C-IM Silicon Labs 1: $5.78 793In Stock End of Life	Mfr. Part No. C8051F530-C-IM Mouser Part No 634-C8051F530-C-IM End of Life	Silicon Labs	8-bit Microcontrollers - MCU 8051 25 MHz 8 kB 5 V LIN 8-bit MCU	Datasheet	793In Stock	$5.78 $4.40 $4.06 $3.68 View $3.50 $3.45 $3.40	Min.: 1 Mult.: 1	SMD/SMT	QFN-20	8051	8 bit	25 MHz	8 kB	256 B	12 bit	16 I/O	2 V	5.25 V	+ 125 C	AEC-Q100	Tube
8-bit Microcontrollers - MCU 8051 25 MHz 4 kB flash 0.5 kB RAM 8-bit Busy Bee MCU EFM8BB10F4I-A-QFN20 Silicon Labs 1: $1.29 244In Stock End of Life	Mfr. Part No. EFM8BB10F4I-A-QFN20 Mouser Part No 634-M8BB10F4IAQFN20 End of Life	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	244In Stock	$1.29 $0.935 $0.846 $0.747 View $0.70 $0.672 $0.642 $0.64 $0.632	Min.: 1 Mult.: 1	SMD/SMT	QFN-20	CIP-51 8051	8 bit	25 MHz	4 kB	512 B	12 bit	16 I/O	2.2 V	3.6 V	+ 125 C		Tube
8-bit Microcontrollers - MCU 20MHz, Ind.Grade Grn,AVR,16KFl, USART ATTINY1634-MU Microchip Technology 1: $1.26 151In Stock NRND	Mfr. Part No. ATTINY1634-MU Mouser Part No 556-ATTINY1634-MU NRND	Microchip Technology	8-bit Microcontrollers - MCU 20MHz, Ind.Grade Grn,AVR,16KFl, USART	Datasheet	151In Stock	$1.26 $1.14 $1.05	Min.: 1 Mult.: 1	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		Tray
8-bit Microcontrollers - MCU 2K FLASH 128B EE 128B SRAM 1 UART ATTINY2313A-MU Microchip Technology 1: $0.89 696In Stock NRND	Mfr. Part No. ATTINY2313A-MU Mouser Part No 556-ATTINY2313A-MU NRND	Microchip Technology	8-bit Microcontrollers - MCU 2K FLASH 128B EE 128B SRAM 1 UART	Datasheet	696In Stock	$0.89 $0.80 $0.73	Min.: 1 Mult.: 1	SMD/SMT	QFN-20	AVR	8 bit	20 MHz	2 kB	128 B	No ADC	18 I/O	1.8 V	5.5 V	+ 85 C		Tray
8-bit Microcontrollers - MCU 4KB FLSH 256B EE256B SRAM-20MHz HI, 125C ATTINY44A-MF Microchip Technology 1: $1.27 345In Stock NRND	Mfr. Part No. ATTINY44A-MF Mouser Part No 556-ATTINY44A-MF NRND	Microchip Technology	8-bit Microcontrollers - MCU 4KB FLSH 256B EE256B SRAM-20MHz HI, 125C Learn More about Microchip Technology microchip automotive 8bit mcus	Datasheet	345In Stock	$1.27 $1.16 $1.06	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	+ 125 C		Tray

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