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QFN-20 8-bit 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.	Core	Program Memory Size	Data RAM Size	Package/Case	Maximum Clock Frequency	ADC Resolution	Number of I/Os	Supply Voltage - Min	Supply Voltage - Max	Mounting Style	Data Bus Width	Minimum Operating Temperature	Maximum Operating Temperature	Series	Qualification	Packaging
8-bit Microcontrollers - MCU 8kB/512B RAM, ADC, QFN20 C8051F850-C-IMR Silicon Labs 2,500: $1.73 Non-Stocked Lead-Time 12 Weeks	Mfr. Part No. C8051F850-C-IMR Mouser Part No 634-C8051F850-C-IMR	Silicon Labs	8-bit Microcontrollers - MCU 8kB/512B RAM, ADC, QFN20 Learn More about Silicon Labs silabs c8051f85 c8051f86 mcus	Datasheet	Non-Stocked Lead-Time 12 Weeks	Reel $1.73 $1.70	Min.: 2,500 Mult.: 2,500 : 2,500	8051	8 kB	512 B	QFN-20	25 MHz	12 bit	16 I/O	2.2 V	3.6 V	SMD/SMT	8 bit	- 40 C	+ 125 C	C8051F850		Reel
8-bit Microcontrollers - MCU 8kB/512B RAM, QFN20 C8051F853-C-GMR Silicon Labs 2,500: $1.47 Non-Stocked Lead-Time 12 Weeks	Mfr. Part No. C8051F853-C-GMR Mouser Part No 634-C8051F853-C-GMR	Silicon Labs	8-bit Microcontrollers - MCU 8kB/512B RAM, QFN20	Datasheet	Non-Stocked Lead-Time 12 Weeks	Reel $1.47 $1.43	Min.: 2,500 Mult.: 2,500 : 2,500	8051	8 kB	512 B	QFN-20	25 MHz	No ADC	16 I/O	2.2 V	3.6 V	SMD/SMT	8 bit	- 40 C	+ 85 C	C8051F853		Reel
8-bit Microcontrollers - MCU 8051 25 MHz 2 kB Flash 0.25 kB RAM 8-bit Busy Bee MCU EFM8BB10F2A-A-QFN20 Silicon Labs 2,520: $1.30 Non-Stocked Lead-Time 12 Weeks	Mfr. Part No. EFM8BB10F2A-A-QFN20 Mouser Part No 634-FM8BB10F2AAQFN20	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	Non-Stocked Lead-Time 12 Weeks	$1.30 $1.26	Min.: 2,520 Mult.: 2,520	CIP-51 8051	2 kB	256 B	QFN-20	25 MHz	12 bit	16 I/O	2.2 V	3.6 V	SMD/SMT	8 bit	- 40 C	+ 125 C	EFM8BB1	AEC-Q100	Tube
8-bit Microcontrollers - MCU 8051 25 MHz 2 kB Flash 0.25 kB RAM 8-bit Busy Bee MCU EFM8BB10F2A-A-QFN20R Silicon Labs 2,500: $1.30 Non-Stocked Lead-Time 12 Weeks	Mfr. Part No. EFM8BB10F2A-A-QFN20R Mouser Part No 634-M8BB10F2AAQFN20R	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	Non-Stocked Lead-Time 12 Weeks	Reel $1.30 $1.26	Min.: 2,500 Mult.: 2,500 : 2,500	CIP-51 8051	2 kB	256 B	QFN-20	25 MHz	12 bit	16 I/O	2.2 V	3.6 V	SMD/SMT	8 bit	- 40 C	+ 125 C	EFM8BB1	AEC-Q100	Reel
8-bit Microcontrollers - MCU 8051 25 MHz 2 kB flash 0.25 kB RAM 8-bit Busy Bee MCU EFM8BB10F2I-A-QFN20R Silicon Labs 2,500: $0.511 Non-Stocked Lead-Time 12 Weeks	Mfr. Part No. EFM8BB10F2I-A-QFN20R Mouser Part No 634-M8BB10F2IAQFN20R	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	Non-Stocked Lead-Time 12 Weeks	Reel $0.511 $0.499	Min.: 2,500 Mult.: 2,500 : 2,500	CIP-51 8051	2 kB	256 B	QFN-20	25 MHz	12 bit	16 I/O	2.2 V	3.6 V	SMD/SMT	8 bit	- 40 C	+ 125 C	EFM8BB1		Reel
8-bit Microcontrollers - MCU 8051 25 MHz 8 kB flash 0.5 kB RAM 8-bit Busy Bee MCU EFM8BB10F8A-A-QFN20R Silicon Labs 2,500: $1.33 Non-Stocked Lead-Time 12 Weeks	Mfr. Part No. EFM8BB10F8A-A-QFN20R Mouser Part No 634-M8BB10F8AAQFN20R	Silicon Labs	8-bit Microcontrollers - MCU 8051 25 MHz 8 kB flash 0.5 kB RAM 8-bit Busy Bee MCU Learn More about Silicon Labs siliconlabs efm8 busy bee	Datasheet	Non-Stocked Lead-Time 12 Weeks	Reel $1.33 $1.29	Min.: 2,500 Mult.: 2,500 : 2,500	CIP-51 8051	8 kB	512 B	QFN-20	25 MHz	12 bit	16 I/O	2.2 V	3.6 V	SMD/SMT	8 bit	- 40 C	+ 125 C	EFM8BB1	AEC-Q100	Reel
8-bit Microcontrollers - MCU 8051 25 MHz 8 kB flash 0.5 kB RAM 8-bit Busy Bee MCU EFM8BB10F8I-A-QFN20R Silicon Labs 1: $1.40 Non-Stocked Lead-Time 12 Weeks	Mfr. Part No. EFM8BB10F8I-A-QFN20R Mouser Part No 634-M8BB10F8IAQFN20R	Silicon Labs	8-bit Microcontrollers - MCU 8051 25 MHz 8 kB flash 0.5 kB RAM 8-bit Busy Bee MCU Learn More about Silicon Labs siliconlabs efm8 busy bee	Datasheet	Non-Stocked Lead-Time 12 Weeks	Cut Tape $1.40 $1.02 $0.923 $0.816 Reel $0.682 View $0.765 $0.734 $0.701 $0.665	Min.: 1 Mult.: 1 : 2,500	CIP-51 8051	8 kB	512 B	QFN-20	25 MHz	12 bit	16 I/O	2.2 V	3.6 V	SMD/SMT	8 bit	- 40 C	+ 125 C	EFM8BB1		Reel, Cut Tape
8-bit Microcontrollers - MCU AVR 4KB, 64B EE 8MHz 256B SRAM, 0.9V ATTINY43U-MU Microchip Technology 1: $2.56 Non-Stocked Lead-Time 10 Weeks NRND	Mfr. Part No. ATTINY43U-MU Mouser Part No 556-ATTINY43U-MU NRND	Microchip Technology	8-bit Microcontrollers - MCU AVR 4KB, 64B EE 8MHz 256B SRAM, 0.9V	Datasheet	Non-Stocked Lead-Time 10 Weeks	$2.56 $2.34 $2.12	Min.: 1 Mult.: 1	AVR	4 kB	256 B	QFN-20	8 MHz	10 bit	16 I/O	2.7 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	ATtiny43		Tray
8-bit Microcontrollers - MCU 4KB FLSH 256B EE256B SRAM-20MHz HI, 125C ATTINY44A-MFR Microchip Technology 6,000: $0.964 Non-Stocked Lead-Time 10 Weeks NRND	Mfr. Part No. ATTINY44A-MFR Mouser Part No 556-ATTINY44A-MFR 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	Non-Stocked Lead-Time 10 Weeks	Reel $0.964	Min.: 6,000 Mult.: 6,000 : 6,000	AVR	4 kB	256 B	QFN-20	20 MHz	10 bit	12 I/O	1.8 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 125 C	ATtiny44		Reel
8-bit Microcontrollers - MCU 8051 50 MHz 8 kB LFO 8-bit MCU C8051F396-A-GM Silicon Labs 1,911: $2.07 Non-Stocked Lead-Time 12 Weeks NRND	Mfr. Part No. C8051F396-A-GM Mouser Part No 634-C8051F396-A-GM NRND	Silicon Labs	8-bit Microcontrollers - MCU 8051 50 MHz 8 kB LFO 8-bit MCU Learn More about Silicon Labs siliconlabs c8051f37x	Datasheet	Non-Stocked Lead-Time 12 Weeks	$2.07 $2.04	Min.: 1,911 Mult.: 1,911	8051	8 kB	1 kB	QFN-20	50 MHz	10 bit	17 I/O	1.8 V	3.6 V	SMD/SMT	8 bit	- 40 C	+ 105 C	C8051F396		Tube
8-bit Microcontrollers - MCU 8051 50 MHz 8 kB LFO 8-bit MCU C8051F397-A-GM Silicon Labs 1,911: $1.98 Non-Stocked Lead-Time 12 Weeks NRND	Mfr. Part No. C8051F397-A-GM Mouser Part No 634-C8051F397-A-GM NRND	Silicon Labs	8-bit Microcontrollers - MCU 8051 50 MHz 8 kB LFO 8-bit MCU Learn More about Silicon Labs siliconlabs c8051f37x	Datasheet	Non-Stocked Lead-Time 12 Weeks	$1.98 $1.94	Min.: 1,911 Mult.: 1,911	8051	8 kB	1 kB	QFN-20	50 MHz			1.8 V	3.6 V	SMD/SMT	8 bit	- 40 C	+ 105 C	C8051F397		Tube
8-bit Microcontrollers - MCU 8051 50 MHz 8 kB LFO 8-bit MCU C8051F398-A-GM Silicon Labs 1,911: $1.80 Non-Stocked Lead-Time 12 Weeks NRND	Mfr. Part No. C8051F398-A-GM Mouser Part No 634-C8051F398-A-GM NRND	Silicon Labs	8-bit Microcontrollers - MCU 8051 50 MHz 8 kB LFO 8-bit MCU Learn More about Silicon Labs siliconlabs c8051f37x	Datasheet	Non-Stocked Lead-Time 12 Weeks	$1.80 $1.76	Min.: 1,911 Mult.: 1,911	8051	4 kB	1 kB	QFN-20	50 MHz	10 bit	17 I/O	1.8 V	3.6 V	SMD/SMT	8 bit	- 40 C	+ 105 C	C8051F398		Tube
8-bit Microcontrollers - MCU 8051 50 MHz 4 kB LFO 8-bit MCU C8051F399-A-GM Silicon Labs 1,911: $1.73 Non-Stocked Lead-Time 12 Weeks NRND	Mfr. Part No. C8051F399-A-GM Mouser Part No 634-C8051F399-A-GM NRND	Silicon Labs	8-bit Microcontrollers - MCU 8051 50 MHz 4 kB LFO 8-bit MCU Learn More about Silicon Labs siliconlabs c8051f37x	Datasheet	Non-Stocked Lead-Time 12 Weeks	$1.73 $1.70	Min.: 1,911 Mult.: 1,911	8051	4 kB	1 kB	QFN-20	50 MHz			1.8 V	3.6 V	SMD/SMT	8 bit	- 40 C	+ 105 C	C8051F399		Tube
8-bit Microcontrollers - MCU 8kB/512B RAM, ADC, QFN20 C8051F850-C-IM Silicon Labs 2,520: $1.73 Non-Stocked Lead-Time 12 Weeks NRND	Mfr. Part No. C8051F850-C-IM Mouser Part No 634-C8051F850-C-IM NRND	Silicon Labs	8-bit Microcontrollers - MCU 8kB/512B RAM, ADC, QFN20 Learn More about Silicon Labs silabs c8051f85 c8051f86 mcus	Datasheet	Non-Stocked Lead-Time 12 Weeks	$1.73 $1.70	Min.: 2,520 Mult.: 2,520	8051	8 kB	512 B	QFN-20	25 MHz	12 bit	16 I/O	2.2 V	3.6 V	SMD/SMT	8 bit	- 40 C	+ 125 C	C8051F850		Tube
8-bit Microcontrollers - MCU 8051 25 MHz 2 kB 8-bit MCU C8051F853-C-GM Silicon Labs 2,520: $1.47 Non-Stocked Lead-Time 12 Weeks NRND	Mfr. Part No. C8051F853-C-GM Mouser Part No 634-C8051F853-C-GM NRND	Silicon Labs	8-bit Microcontrollers - MCU 8051 25 MHz 2 kB 8-bit MCU	Datasheet	Non-Stocked Lead-Time 12 Weeks	$1.47 $1.43	Min.: 2,520 Mult.: 2,520	8051	8 kB	512 B	QFN-20	25 MHz	No ADC	16 I/O	2.2 V	3.6 V	SMD/SMT	8 bit	- 40 C	+ 85 C	C8051F853	AEC-Q100	Tube
8-bit Microcontrollers - MCU 16KB Flash ROM, 1KB SRAM, 4KB LDROM MG51XB9AE Nuvoton 1: $1.60 Non-Stocked Lead-Time 40 Weeks	Mfr. Part No. MG51XB9AE Mouser Part No 503-MG51XB9AE	Nuvoton	8-bit Microcontrollers - MCU 16KB Flash ROM, 1KB SRAM, 4KB LDROM Learn More about Nuvoton mg51 numicro mcus	Datasheet	Non-Stocked Lead-Time 40 Weeks	Cut Tape $1.60 $0.973 $0.818 $0.62 $0.412 Reel $0.412	Min.: 1 Mult.: 1 : 490	8051	16 kB	1 kB	QFN-20	24 MHz	12 bit	18 I/O	2.4 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 105 C			Reel, Cut Tape
8-bit Microcontrollers - MCU 16KB Flash ROM, 1KB SRAM, 4KB LDROM MG51XB9AE TR Nuvoton 3,000: $0.393 Non-Stocked Lead-Time 40 Weeks	Mfr. Part No. MG51XB9AE TR Mouser Part No 503-MG51XB9AETR	Nuvoton	8-bit Microcontrollers - MCU 16KB Flash ROM, 1KB SRAM, 4KB LDROM Learn More about Nuvoton mg51 numicro mcus	Datasheet	Non-Stocked Lead-Time 40 Weeks	Reel $0.393	Min.: 3,000 Mult.: 3,000 : 3,000	8051	16 kB	1 kB	QFN-20	24 MHz	12 bit	18 I/O	2.4 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 105 C			Reel
8-bit Microcontrollers - MCU 32KB Flash ROM, 1KB SRAM, 4KB LDROM MG51XC9AE Nuvoton 1: $1.88 Non-Stocked Lead-Time 40 Weeks	Mfr. Part No. MG51XC9AE Mouser Part No 503-MG51XC9AE	Nuvoton	8-bit Microcontrollers - MCU 32KB Flash ROM, 1KB SRAM, 4KB LDROM Learn More about Nuvoton mg51 numicro mcus	Datasheet	Non-Stocked Lead-Time 40 Weeks	Cut Tape $1.88 $1.15 $0.961 $0.728 $0.483 Reel $0.483	Min.: 1 Mult.: 1 : 490	8051	32 kB	1 kB	QFN-20	24 MHz	12 bit	18 I/O	2.4 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 105 C			Reel, Cut Tape
8-bit Microcontrollers - MCU 32KB Flash ROM, 1KB SRAM, 4KB LDROM MG51XC9AE TR Nuvoton 3,000: $0.449 Non-Stocked Lead-Time 40 Weeks	Mfr. Part No. MG51XC9AE TR Mouser Part No 503-MG51XC9AETR	Nuvoton	8-bit Microcontrollers - MCU 32KB Flash ROM, 1KB SRAM, 4KB LDROM Learn More about Nuvoton mg51 numicro mcus	Datasheet	Non-Stocked Lead-Time 40 Weeks	Reel $0.449	Min.: 3,000 Mult.: 3,000 : 3,000	8051	32 kB	1 kB	QFN-20	24 MHz	12 bit	18 I/O	2.4 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 105 C			Reel
8-bit Microcontrollers - MCU 16KB Flash ROM, 1KB SRAM, 1 CHs of SPI,1T/8051 ML51XB9AE Nuvoton 1: $1.05 Non-Stocked Lead-Time 40 Weeks	Mfr. Part No. ML51XB9AE Mouser Part No 503-ML51XB9AE	Nuvoton	8-bit Microcontrollers - MCU 16KB Flash ROM, 1KB SRAM, 1 CHs of SPI,1T/8051 Learn More about Nuvoton ml51 numicro mcus	Datasheet	Non-Stocked Lead-Time 40 Weeks	$1.05 $0.898 $0.79 $0.745 View $0.659 $0.627	Min.: 1 Mult.: 1	8051	16 kB	1 kB	QFN-20	24 MHz	12 bit	17 I/O	1.8 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 105 C			Tray
8-bit Microcontrollers - MCU 16K Bytes Shared with LDROM 0.5mm Pitch width MS51XB9BE Nuvoton 1: $1.60 Non-Stocked Lead-Time 40 Weeks	Mfr. Part No. MS51XB9BE Mouser Part No 503-MS51XB9BE	Nuvoton	8-bit Microcontrollers - MCU 16K Bytes Shared with LDROM 0.5mm Pitch width Learn More about Nuvoton ms51 industrial mcus	Datasheet	Non-Stocked Lead-Time 40 Weeks	$1.60 $0.973 $0.818 $0.62 View $0.537 $0.47 $0.402 $0.378	Min.: 1 Mult.: 1	8051	16 kB	1 kB	QFN-20	24 MHz	12 bit	18 I/O	2.4 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 105 C			Tray
8-bit Microcontrollers - MCU 32K Bytes Shared with LDROM 0.5mm Pitch width MS51XC0BE Nuvoton 1: $1.54 Non-Stocked Lead-Time 40 Weeks	Mfr. Part No. MS51XC0BE Mouser Part No 503-MS51XC0BE	Nuvoton	8-bit Microcontrollers - MCU 32K Bytes Shared with LDROM 0.5mm Pitch width	Datasheet	Non-Stocked Lead-Time 40 Weeks	$1.54 $0.982 $0.876 $0.721 View $0.628 $0.594 $0.511 $0.471	Min.: 1 Mult.: 1	1T 8051	32 kB	2 kB	QFN-20	24 MHz	12 bit	18 I/O	1.62 V	1.98 V	SMD/SMT	8 bit	- 40 C	+ 105 C			Tray
8-bit Microcontrollers - MCU 8-Bit UL PWR MCU 4Kbytes -40 to 85 STM8L101F2U6ATR STMicroelectronics 1: $1.76 Non-Stocked Lead-Time 40 Weeks	Mfr. Part No. STM8L101F2U6ATR Mouser Part No 511-STM8L101F2U6ATR	STMicroelectronics	8-bit Microcontrollers - MCU 8-Bit UL PWR MCU 4Kbytes -40 to 85 Learn More about STMicroelectronics stm8l	Datasheet	Non-Stocked Lead-Time 40 Weeks	Cut Tape $1.76 $1.27 $1.09 $0.989 View Reel $0.808 $0.956 $0.839 $0.811 $0.808 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	STM8	4 kB	1.5 kB	QFN-20	16 MHz	No ADC	18 I/O	1.65 V	3.6 V	SMD/SMT	8 bit	- 40 C	+ 85 C	STM8L101F2		Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU 8-Bit UL PWR MCU 4Kbytes -40 to 85 STM8L101F2U6TR STMicroelectronics 3,000: $0.814 Non-Stocked Lead-Time 40 Weeks	Mfr. Part No. STM8L101F2U6TR Mouser Part No 511-STM8L101F2U6TR	STMicroelectronics	8-bit Microcontrollers - MCU 8-Bit UL PWR MCU 4Kbytes -40 to 85 Learn More about STMicroelectronics stm8l	Datasheet	Non-Stocked Lead-Time 40 Weeks	Reel $0.814	Min.: 3,000 Mult.: 3,000 : 3,000	STM8	4 kB	1.5 kB	QFN-20	16 MHz	No ADC	18 I/O	1.65 V	3.6 V	SMD/SMT	8 bit	- 40 C	+ 85 C	STM8L101F2		Reel
8-bit Microcontrollers - MCU 8-Bit UL PWR MCU 8Kbytes -40 to 85 STM8L101F3U6TR STMicroelectronics 3,000: $0.89 Non-Stocked Lead-Time 40 Weeks	Mfr. Part No. STM8L101F3U6TR Mouser Part No 511-STM8L101F3U6TR	STMicroelectronics	8-bit Microcontrollers - MCU 8-Bit UL PWR MCU 8Kbytes -40 to 85 Learn More about STMicroelectronics stm8l	Datasheet	Non-Stocked Lead-Time 40 Weeks	Reel $0.89	Min.: 3,000 Mult.: 3,000 : 3,000	STM8	8 kB	1.5 kB	QFN-20	16 MHz	No ADC	18 I/O	1.65 V	3.6 V	SMD/SMT	8 bit	- 40 C	+ 85 C	STM8L101F3		Reel