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QFN-20 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 3.5 KB 128 RAM 18I/O PIC16F677-E/ML Microchip Technology 1: $2.88 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	$2.88 $2.83 $2.77	Min.: 1 Mult.: 1	SMD/SMT	QFN-20	PIC16	3.5 kB	8 bit	10 bit	20 MHz	18 I/O	128 B	4.5 V	5.5 V	- 40 C	+ 125 C		Tube
8-bit Microcontrollers - MCU 3.5 KB 128 RAM 18I/O PIC16F677-I/ML Microchip Technology 1: $2.65 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	$2.65 $2.60 $2.57	Min.: 1 Mult.: 1	SMD/SMT	QFN-20	PIC16	3.5 kB	8 bit	10 bit	20 MHz	18 I/O	128 B	4.5 V	5.5 V	- 40 C	+ 85 C		Tube
8-bit Microcontrollers - MCU 3.5 KB FLASH 128 B SRAM, 18 I/O PIC16F720-I/ML Microchip Technology 1: $1.90 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	$1.90 $1.74 $1.60	Min.: 1 Mult.: 1	SMD/SMT	QFN-20	PIC16	3.5 kB	8 bit	8 bit	16 MHz	18 I/O	128 B	1.8 V	5.5 V	- 40 C	+ 85 C		Tube
8-bit Microcontrollers - MCU 7 KB FLASH 256 B SRAM, 18 I/O PIC16F721-I/ML Microchip Technology 1: $1.99 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	$1.99 $1.78 $1.66	Min.: 1 Mult.: 1	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		Tube
8-bit Microcontrollers - MCU 3.5 KB 128 RAM 18I/O PIC16F785-I/ML Microchip Technology 1: $3.40 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	$3.40	Min.: 1 Mult.: 1	SMD/SMT	QFN-20	PIC16	3.5 kB	8 bit	10 bit	20 MHz	18 I/O	128 B	2 V	5.5 V	- 40 C	+ 85 C		Tube
8-bit Microcontrollers - MCU 14KB FLASH 512B RAM 18 I/O 10-BIT ADC PIC16LF1509-E/ML Microchip Technology 1: $2.35 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	$2.35 $2.16 $1.94	Min.: 1 Mult.: 1	SMD/SMT	QFN-20	PIC16	14 kB	8 bit	10 bit	20 MHz	18 I/O	512 B	1.8 V	3.6 V	- 40 C	+ 125 C		Tube
8-bit Microcontrollers - MCU 14KB FLASH 512B RAM 18 I/O 10-BIT ADC PIC16LF1509-I/ML Microchip Technology 1: $2.15 699In 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	699In Stock	$2.15 $1.97 $1.77	Min.: 1 Mult.: 1	SMD/SMT	QFN-20	PIC16	14 kB	8 bit	10 bit	20 MHz	18 I/O	512 B	1.8 V	3.6 V	- 40 C	+ 85 C		Tube
8-bit Microcontrollers - MCU 8K Word Flash 1024B RAM,10-bit ADC PIC16LF1709-I/ML Microchip Technology 1: $2.20 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	$2.20 $2.03 $1.84	Min.: 1 Mult.: 1	SMD/SMT	QFN-20	PIC16	14 kB	8 bit	10 bit	32 MHz	18 I/O	1 kB	1.8 V	3.6 V	- 40 C	+ 85 C		Tube
8-bit Microcontrollers - MCU 7 KB Flash 256B RAM 32 MHz Int Osc PIC16LF1828-I/ML Microchip Technology 1: $2.61 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	$2.61 $2.39 $2.18	Min.: 1 Mult.: 1	SMD/SMT	QFN-20	PIC16	7 kB	8 bit	10 bit	32 MHz	18 I/O	256 B	2.3 V	3.6 V	- 40 C	+ 85 C		Tube
8-bit Microcontrollers - MCU 14KB FL 1KBRAM 32MHz 12I/0 Enhanced XLP PIC16LF1829-E/ML Microchip Technology 1: $3.03 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	$3.03 $2.79 $2.50	Min.: 1 Mult.: 1	SMD/SMT	QFN-20	PIC16	14 kB	8 bit	10 bit	32 MHz	18 I/O	1 kB	2.3 V	3.6 V	- 40 C	+ 125 C		Tube
8-bit Microcontrollers - MCU 14KB FL 1KBRAM 32MHz 12I/0 Enhanced XLP PIC16LF1829-I/ML Microchip Technology 1: $2.76 398In 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	398In Stock	$2.76 $2.53 $2.31	Min.: 1 Mult.: 1	SMD/SMT	QFN-20	PIC16	14 kB	8 bit	10 bit	32 MHz	18 I/O	1 kB	2.3 V	3.6 V	- 40 C	+ 85 C		Tube
8-bit Microcontrollers - MCU 16 KB Flash 768 RAM 10-bit ADC USB 2.0 PIC18F14K50-I/MQ Microchip Technology 1: $3.60 110In Stock 803Expected 26/10/2026	Mfr. Part No. PIC18F14K50-I/MQ Mouser Part No 579-PIC18F14K50-I/MQ	Microchip Technology	8-bit Microcontrollers - MCU 16 KB Flash 768 RAM 10-bit ADC USB 2.0 Learn More about Microchip Technology microchip automotive 8bit mcus	Datasheet	110In Stock 803Expected 26/10/2026	$3.60 $3.43 $3.25	Min.: 1 Mult.: 1	SMD/SMT	QFN-20	PIC18	16 kB	8 bit	10 bit	48 MHz	15 I/O	768 B	2.7 V	5.5 V	- 40 C	+ 85 C		Tube
16-bit Microcontrollers - MCU 4KB Flash512B RAM 3V 10-bit 500ksps ADC PIC24F04KA201-I/MQ Microchip Technology 1: $2.83 439In Stock	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	439In Stock	$2.83 $2.57 $2.31	Min.: 1 Mult.: 1	SMD/SMT	QFN-20	PIC24F	4 kB	16 bit	10 bit	32 MHz	18 I/O	512 B	1.8 V	3.6 V	- 40 C	+ 85 C	AEC-Q100	Tube
16-bit Microcontrollers - MCU 8KB Flash 1KB RAM 16-bit PIC24F Family PIC24F08KA101-I/MQ Microchip Technology 1: $3.98 320In 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	320In Stock	$3.98 $3.62 $3.29	Min.: 1 Mult.: 1	SMD/SMT	QFN-20	PIC24F	8 kB	16 bit	10 bit	32 MHz	18 I/O	1.5 kB	1.8 V	3.6 V	- 40 C	+ 85 C	AEC-Q100	Tube
16-bit Microcontrollers - MCU 16KB Flash 2KB RAM 16-bit PIC24F Family PIC24F16KA101-I/MQ Microchip Technology 1: $4.15 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	$4.15 $3.75 $3.43	Min.: 1 Mult.: 1	SMD/SMT	QFN-20	PIC24F	16 kB	16 bit	10 bit	32 MHz	18 I/O	1.5 kB	1.8 V	3.6 V	- 40 C	+ 85 C	AEC-Q100	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: $2.18 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	$2.18 $1.59 $1.44 $1.28 View $1.20 $1.16 $1.14 $1.07 $1.05	Min.: 1 Mult.: 1	SMD/SMT	QFN-20	CIP-51 8051	4 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 25 MHz 8 kB flash 0.5 kB RAM 8-bit Sleepy Bee MCU EFM8SB10F8G-A-QFN20R Silicon Labs 1: $2.30 408In Stock 4,500Expected 27/11/2026	Mfr. Part No. EFM8SB10F8G-A-QFN20R Mouser Part No 634-8SB10F8GAQF20R	Silicon Labs	8-bit Microcontrollers - MCU 8051 25 MHz 8 kB flash 0.5 kB RAM 8-bit Sleepy Bee MCU	Datasheet	408In Stock 4,500Expected 27/11/2026	Cut Tape $2.30 $1.78 $1.58 $1.44 Reel $1.23 View $1.39 $1.28 $1.23 $1.17 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	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		Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU 8kB/512B RAM, ADC, QFN20 C8051F850-C-GMR Silicon Labs 1: $4.01 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 $4.01 $2.99 $2.73 $2.45 Reel $2.08 View $2.31 $2.26 $2.15 $2.04 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	SMD/SMT	QFN-20	8051	8 kB	8 bit	12 bit	25 MHz	16 I/O	512 B	2.2 V	3.6 V	- 40 C	+ 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: $7.86 778In 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	778In Stock	$7.86 $5.98 $5.52 $5.00 View $4.76 $4.69 $4.62	Min.: 1 Mult.: 1	SMD/SMT	QFN-20	8051	8 kB	8 bit	12 bit	25 MHz	16 I/O	256 B	2 V	5.25 V	- 40 C	+ 125 C	AEC-Q100	Tube
8-bit Microcontrollers - MCU 20MHz, Ind.Grade Grn,AVR,16KFl, USART ATTINY1634-MU Microchip Technology 1: $1.71 135In 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	135In Stock	$1.71 $1.55 $1.43	Min.: 1 Mult.: 1	SMD/SMT	QFN-20	AVR	16 kB	8 bit	10 bit	12 MHz	18 I/O	1 kB	1.8 V	5.5 V	- 40 C	+ 85 C		Tray
8-bit Microcontrollers - MCU 2K FLASH 128B EE 128B SRAM 1 UART ATTINY2313A-MU Microchip Technology 1: $1.21 492In 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	492In Stock	$1.21 $1.09 $0.993	Min.: 1 Mult.: 1	SMD/SMT	QFN-20	AVR	2 kB	8 bit	No ADC	20 MHz	18 I/O	128 B	1.8 V	5.5 V	- 40 C	+ 85 C		Tray
8-bit Microcontrollers - MCU 4KB FLSH 256B EE256B SRAM-20MHz HI, 125C ATTINY44A-MF Microchip Technology 1: $1.73 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	$1.73 $1.58 $1.44	Min.: 1 Mult.: 1	SMD/SMT	QFN-20	AVR	4 kB	8 bit	10 bit	20 MHz	12 I/O	256 B	1.8 V	5.5 V	- 40 C	+ 125 C		Tray
8-bit Microcontrollers - MCU AVR 8K FLASH EE ATTINY841-MU Microchip Technology 1: $2.01 13In Stock NRND	Mfr. Part No. ATTINY841-MU Mouser Part No 556-ATTINY841-MU NRND	Microchip Technology	8-bit Microcontrollers - MCU AVR 8K FLASH EE Learn More about Microchip Technology microchip automotive 8bit mcus	Datasheet	13In Stock	$2.01 $1.81 $1.66	Min.: 1 Mult.: 1	SMD/SMT	QFN-20	AVR	8 kB	8 bit	10 bit	16 MHz	12 I/O	512 B	1.7 V	5.5 V	- 40 C	+ 85 C		Tray
8-bit Microcontrollers - MCU 16K Bytes Shared with LDROM 0.4mm Pitch width MS51XB9AE Nuvoton 1: $0.884 627In Stock	Mfr. Part No. MS51XB9AE Mouser Part No 503-MS51XB9AE	Nuvoton	8-bit Microcontrollers - MCU 16K Bytes Shared with LDROM 0.4mm Pitch width Learn More about Nuvoton ms51 industrial mcus	Datasheet	627In Stock	$0.884 $0.758 $0.668 $0.631 View $0.555 $0.526 $0.498 $0.484	Min.: 1 Mult.: 1	SMD/SMT	QFN-20	8051	16 kB	8 bit	12 bit	24 MHz	18 I/O	1 kB	2.4 V	5.5 V	- 40 C	+ 105 C		Tray
8-bit Microcontrollers - MCU 8-bit Ultralow MCU 2kb UFQFPN 20 pin STM8L101F1U6ATR STMicroelectronics 1: $2.26 2,022In Stock	Mfr. Part No. STM8L101F1U6ATR Mouser Part No 511-STM8L101F1U6ATR	STMicroelectronics	8-bit Microcontrollers - MCU 8-bit Ultralow MCU 2kb UFQFPN 20 pin Learn More about STMicroelectronics stm8l	Datasheet	2,022In Stock	Cut Tape $2.26 $1.65 $1.40 $1.32 Reel $1.07 View $1.31 $1.12 $1.05 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	QFN-20	STM8	2 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

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