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QFN-32 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 1.8V - 5.5V 20MHz 8KB Programmable ATMEGA88PA-MU Microchip Technology 1: $1.73 286In Stock 1,960Expected 3/1/2027	Mfr. Part # ATMEGA88PA-MU Mouser Part # 556-ATMEGA88PA-MU	Microchip Technology	8-bit Microcontrollers - MCU 1.8V - 5.5V 20MHz 8KB Programmable	Datasheet	286In Stock 1,960Expected 3/1/2027	$1.73 $1.59 $1.42	Min.: 1 Mult.: 1	AVR	8 kB	1 kB	QFN-32	20 MHz	10 bit	23 I/O	1.8 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	ATmega88PA		Tray
8-bit Microcontrollers - MCU 2K Flash;125B EEPROM 128B SRAM;16 IO Pins ATTINY261A-MU Microchip Technology 1: $1.10 214In Stock 980Expected 11/18/2026	Mfr. Part # ATTINY261A-MU Mouser Part # 556-ATTINY261A-MU	Microchip Technology	8-bit Microcontrollers - MCU 2K Flash;125B EEPROM 128B SRAM;16 IO Pins	Datasheet	214In Stock 980Expected 11/18/2026	$1.10 $1.03 $0.911	Min.: 1 Mult.: 1	AVR	2 kB	128 B	QFN-32	20 MHz	10 bit	16 I/O	1.8 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	ATtinyx61A		Tray
8-bit Microcontrollers - MCU 2.4-5.25V 8K FLASH 512B LO PWR CAPSENSE CY8C20434-12LQXI Infineon Technologies 1: $4.69 246In Stock	Mfr. Part # CY8C20434-12LQXI Mouser Part # 727-CY8C20434-12LQXI	Infineon Technologies	8-bit Microcontrollers - MCU 2.4-5.25V 8K FLASH 512B LO PWR CAPSENSE Learn More about Infineon Technologies cypress mid range capsense	Datasheet	246In Stock	$4.69 $3.56 $3.11 $2.97 View $2.66 $2.16	Min.: 1 Mult.: 1	M8C	8 kB	512 B	QFN-32	12 MHz	No ADC	28 I/O	2.4 V	5.25 V	SMD/SMT	8 bit	- 40 C	+ 85 C	CY8C20434		Tray
8-bit Microcontrollers - MCU AVR 4KB FL 256B EE 512B SRAM 20MHz 105C ATMEGA48PA-MN Microchip Technology 1: $1.62 18In Stock NRND	Mfr. Part # ATMEGA48PA-MN Mouser Part # 556-ATMEGA48PA-MN NRND	Microchip Technology	8-bit Microcontrollers - MCU AVR 4KB FL 256B EE 512B SRAM 20MHz 105C Learn More about Microchip Technology microchip automotive 8bit mcus	Datasheet	18In Stock	$1.62 $1.49 $1.34	Min.: 1 Mult.: 1	AVR	4 kB	512 B	QFN-32	20 MHz	10 bit	23 I/O	1.8 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 105 C	ATmega48PA		Tray
8-bit Microcontrollers - MCU ATMEGA328PB 20MHZ Extd. Temp QFN ATMEGA328PB-MN Microchip Technology 1: $1.56 134In Stock 1,960Expected 1/25/2027	Mfr. Part # ATMEGA328PB-MN Mouser Part # 556-ATMEGA328PB-MN	Microchip Technology	8-bit Microcontrollers - MCU ATMEGA328PB 20MHZ Extd. Temp QFN Learn More about Microchip Technology atmelatmega328	Datasheet	134In Stock 1,960Expected 1/25/2027	$1.56 $1.43 $1.29	Min.: 1 Mult.: 1	AVR	32 kB	2 kB	QFN-32	20 MHz	10 bit	27 I/O	1.8 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 105 C	ATmega328PB	AEC-Q100	Tray
8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU EFM8BB31F16G-D-QFN32R Silicon Labs 1: $1.90 979In Stock 2,500Expected 5/14/2027	Mfr. Part # EFM8BB31F16G-D-QFN32R Mouser Part # 634-EF8BB31F16GDN32R	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	979In Stock 2,500Expected 5/14/2027	Cut Tape $1.90 $1.54 $1.33 $1.25 View Reel $0.996 $1.10 $1.06 $0.996 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	CIP-51 8051	16 kB	2.3 kB	QFN-32	50 MHz	10 bit, 12 bit	29 I/O	2.2 V	3.6 V	SMD/SMT	8 bit	- 40 C	+ 85 C			Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU EFM8BB31F16G-D-QFN32 Silicon Labs 1: $1.76 1,432In Stock	Mfr. Part # EFM8BB31F16G-D-QFN32 Mouser Part # 634-EF8BB31F16GDQN32	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	1,432In Stock	$1.76 $1.49 $1.31 $1.24 View $1.10 $1.05 $1.01 $0.968 $0.957	Min.: 1 Mult.: 1	CIP-51 8051	16 kB	2.3 kB	QFN-32	50 MHz	10 bit, 12 bit	29 I/O	2.2 V	3.6 V	SMD/SMT	8 bit	- 40 C	+ 85 C			Tray
8-bit Microcontrollers - MCU 8051 50 MHz 64 kB flash 4.25 kB RAM 8-bit Busy Bee MCU EFM8BB31F64G-D-QFN32R Silicon Labs 1: $2.67 5In Stock 2,500Expected 4/29/2027	Mfr. Part # EFM8BB31F64G-D-QFN32R Mouser Part # 634-EF8BB31F64GDN32R	Silicon Labs	8-bit Microcontrollers - MCU 8051 50 MHz 64 kB flash 4.25 kB RAM 8-bit Busy Bee MCU Learn More about Silicon Labs siliconlabs efm8 busy bee	Datasheet	5In Stock 2,500Expected 4/29/2027	Cut Tape $2.67 $1.98 $1.81 $1.62 $1.59 Reel $1.35	Min.: 1 Mult.: 1 : 2,500	CIP-51 8051	64 kB	4.35 kB	QFN-32	50 MHz	10 bit, 12 bit	29 I/O	2.2 V	3.6 V	SMD/SMT	8 bit	- 40 C	+ 85 C			Reel, Cut Tape
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 1.28 kB RAM 29 GPIO BB5 8-bit MCU EFM8BB52F16G-C-QFN32 Silicon Labs 1: $0.97 722In Stock 400On Order	Mfr. Part # EFM8BB52F16G-C-QFN32 Mouser Part # 634-EFM852F16GCQFN32	Silicon Labs	8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 1.28 kB RAM 29 GPIO BB5 8-bit MCU Learn More about Silicon Labs silabs efm8bb51 efm8bb52 busy bee mcus	Datasheet	722In Stock 400On Order	$0.97 $0.744 $0.726 $0.648 View $0.596 $0.486	Min.: 1 Mult.: 1		16 kB	1.28 kB	QFN-32		12 bit	29I/O	1.8 V	5.5 V	SMD/SMT		- 40 C	+ 85 C			Cut Tape
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 32 kB flash 2.304 kB RAM 29 GPIO BB5 8-bit MCU EFM8BB52F32I-C-QFN32 Silicon Labs 1: $1.20 606In Stock	Mfr. Part # EFM8BB52F32I-C-QFN32 Mouser Part # 634-EFM852F32ICQFN32	Silicon Labs	8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 32 kB flash 2.304 kB RAM 29 GPIO BB5 8-bit MCU Learn More about Silicon Labs silabs efm8bb51 efm8bb52 busy bee mcus	Datasheet	606In Stock	$1.20 $1.02 $0.895 $0.80 View $0.738 $0.598 $0.571 $0.557	Min.: 1 Mult.: 1		16 kB	1.28 kB	QFN-32			16 I/O	1.8 V	5.5 V	SMD/SMT		- 40 C	+ 85 C			Cut Tape
8-bit Microcontrollers - MCU 8051 48 MHz 64 kB flash 4 kB RAM 8-bit Universal Bee MCU EFM8UB20F64G-B-QFN32R Silicon Labs 1: $3.98 69In Stock	Mfr. Part # EFM8UB20F64G-B-QFN32R Mouser Part # 634-EFM8UB64GBQFN32R	Silicon Labs	8-bit Microcontrollers - MCU 8051 48 MHz 64 kB flash 4 kB RAM 8-bit Universal Bee MCU	Datasheet	69In Stock	Cut Tape $3.98 $2.96 $2.71 $2.43 Reel $2.07 View $2.30 $2.24 $2.13 $2.03	Min.: 1 Mult.: 1 : 2,500	CIP-51 8051	64 kB	4.25 kB	QFN-32	48 MHz	10 bit	25 I/O	3.3 V	3.3 V	SMD/SMT	8 bit	- 40 C	+ 85 C	EFM8UB2		Reel, Cut Tape
8-bit Microcontrollers - MCU 8051 48 MHz 64 kB flash 4 kB RAM 8-bit Universal Bee MCU EFM8UB20F64G-B-QFN32 Silicon Labs 1: $3.72 284In Stock	Mfr. Part # EFM8UB20F64G-B-QFN32 Mouser Part # 634-EFM8UBF64GBQFN32	Silicon Labs	8-bit Microcontrollers - MCU 8051 48 MHz 64 kB flash 4 kB RAM 8-bit Universal Bee MCU	Datasheet	284In Stock	$3.72 $2.92 $2.58 $2.38 View $2.21 $2.13 $2.09 $2.08	Min.: 1 Mult.: 1	CIP-51 8051	64 kB	4.25 kB	QFN-32	48 MHz	10 bit	25 I/O	3.3 V	3.3 V	SMD/SMT	8 bit	- 40 C	+ 85 C	EFM8UB2		Tube
8-bit Microcontrollers - MCU AVR 16KB FL 512B EE 1KB SRAM 20MHz 105C ATMEGA168PA-MN Microchip Technology 1: $2.15 5In Stock NRND	Mfr. Part # ATMEGA168PA-MN Mouser Part # 556-ATMEGA168PA-MN NRND	Microchip Technology	8-bit Microcontrollers - MCU AVR 16KB FL 512B EE 1KB SRAM 20MHz 105C Learn More about Microchip Technology microchip automotive 8bit mcus	Datasheet	5In Stock	$2.15 $1.97 $1.79	Min.: 1 Mult.: 1	AVR	16 kB	1 kB	QFN-32	20 MHz	10 bit	23 I/O	1.8 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 105 C	ATmega168PA		Tray
8-bit Microcontrollers - MCU 8051 50 MHz 32 kB 8-bit MCU C8051F387-GM Silicon Labs 1: $5.75 158In Stock NRND	Mfr. Part # C8051F387-GM Mouser Part # 634-C8051F387-GM NRND	Silicon Labs	8-bit Microcontrollers - MCU 8051 50 MHz 32 kB 8-bit MCU Learn More about Silicon Labs silabs usb mcus	Datasheet	158In Stock	$5.75 $4.45 $4.08 $3.72 View $3.53 $3.42 $3.41 $3.39 Quote	Min.: 1 Mult.: 1	8051	32 kB	2.3 kB	QFN-32	48 MHz		25 I/O	2.7 V	5.25 V	SMD/SMT	8 bit	- 40 C	+ 85 C	C8051F387		Tube
8-bit Microcontrollers - MCU AVR 16K Flash 3PSC, 16MHz AT90PWM316-16MUR Microchip Technology 1: $3.73 41In Stock	Mfr. Part # AT90PWM316-16MUR Mouser Part # 556-AT90PWM316-16MUR	Microchip Technology	8-bit Microcontrollers - MCU AVR 16K Flash 3PSC, 16MHz	Datasheet	41In Stock	Cut Tape $3.73 $3.65 Reel $3.09 MouseReel Available	Min.: 1 Mult.: 1 : 4,000	AVR	16 kB	1 kB	QFN-32	16 MHz	10 bit	27 I/O	2.7 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 105 C	AT90PWM316		Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU 8051 50 MHz 64 kB 5 V 8-bit MCU C8051F503-IM Silicon Labs 1: $11.01 44In Stock End of Life	Mfr. Part # C8051F503-IM Mouser Part # 634-C8051F503-IM End of Life	Silicon Labs	8-bit Microcontrollers - MCU 8051 50 MHz 64 kB 5 V 8-bit MCU	Datasheet	44In Stock	$11.01 $8.59 $7.99 $7.33 View $6.96 $6.82 $6.47	Min.: 1 Mult.: 1	8051	64 kB	4.25 kB	QFN-32	50 MHz	12 bit	25 I/O	1.8 V	5.25 V	SMD/SMT	8 bit	- 40 C	+ 125 C	C8051F503	AEC-Q100	Tube
8-bit Microcontrollers - MCU 8051 50 MHz 32 kB 5 V CAN LIN 8-bit MCU C8051F506-IM Silicon Labs 1: $11.53 6In Stock NRND	Mfr. Part # C8051F506-IM Mouser Part # 634-C8051F506-IM NRND	Silicon Labs	8-bit Microcontrollers - MCU 8051 50 MHz 32 kB 5 V CAN LIN 8-bit MCU	Datasheet	6In Stock	$11.53 $9.03 $8.41 $7.72 View $7.64 $7.19 $7.03 Quote	Min.: 1 Mult.: 1	8051	32 kB	4.25 kB	QFN-32	50 MHz	12 bit	25 I/O	1.8 V	5.25 V	SMD/SMT	8 bit	- 40 C	+ 125 C	C8051F506	AEC-Q100	Tube
8-bit Microcontrollers - MCU USB-Flash-64k-ADC-QFN32 OTP available (T626-GM) C8051F381-GMR Silicon Labs 1: $7.26 60In Stock	Mfr. Part # C8051F381-GMR Mouser Part # 634-C8051F381-GMR	Silicon Labs	8-bit Microcontrollers - MCU USB-Flash-64k-ADC-QFN32 OTP available (T626-GM)	Datasheet	60In Stock	Cut Tape $7.26 $5.60 $5.18 $4.72 View Reel $4.04 $4.38 $4.37 $4.24 $4.04	Min.: 1 Mult.: 1 : 2,500	8051	64 kB	4.25 kB	QFN-32	48 MHz	10 bit	25 I/O	2.7 V	5.25 V	SMD/SMT	8 bit	- 40 C	+ 85 C	C8051F381		Reel, Cut Tape
8-bit Microcontrollers - MCU EFM8LB12F64ES1-C-QFN32 Silicon Labs 1: $3.71 279In Stock	Mfr. Part # EFM8LB12F64ES1-C-QFN32 Mouser Part # 634-LB12F64ES1CQFN32	Silicon Labs	8-bit Microcontrollers - MCU Learn More about Silicon Labs silabs efm8 laser bee	Datasheet	279In Stock	$3.71 $2.76 $2.52 $2.26 View $2.14 $2.09 $1.99 $1.93 $1.89	Min.: 1 Mult.: 1	CIP-51 8051	64 kB	4.25 kB	QFN-32	72 MHz	10 bit/12 bit/14 bit	29 I/O	2.2 V	3.6 V	SMD/SMT	8 bit	- 40 C	+ 105 C	EFM8LB1		Tray
8-bit Microcontrollers - MCU 8051 50 MHz 32 kB 8-bit MCU C8051F383-GM Silicon Labs 1: $6.03 3In Stock NRND	Mfr. Part # C8051F383-GM Mouser Part # 634-C8051F383-GM NRND	Silicon Labs	8-bit Microcontrollers - MCU 8051 50 MHz 32 kB 8-bit MCU Learn More about Silicon Labs silabs usb mcus	Datasheet	3In Stock	$6.03 $4.62 $4.27 $3.88 View $3.70 $3.59 $3.54	Min.: 1 Mult.: 1	8051	32 kB	2.25 kB	QFN-32	48 MHz	10 bit	25 I/O	2.7 V	5.25 V	SMD/SMT	8 bit	- 40 C	+ 85 C	C8051F383		Tube
8-bit Microcontrollers - MCU ATMEGA328PB QFN/MFL T&R ATMEGA328PB-MNR Microchip Technology 1: $1.65 10,299Expected 2/15/2027	Mfr. Part # ATMEGA328PB-MNR Mouser Part # 556-ATMEGA328PB-MNR	Microchip Technology	8-bit Microcontrollers - MCU ATMEGA328PB QFN/MFL T&R Learn More about Microchip Technology atmelatmega328	Datasheet	10,299Expected 2/15/2027	Cut Tape $1.65 $1.61 Reel $1.61 MouseReel Available	Min.: 1 Mult.: 1 : 6,000	AVR	32 kB	2 kB	QFN-32	20 MHz	10 bit	27 I/O	1.8 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 105 C	ATmega328PB	AEC-Q100	Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU ATMEGA328PB IND TEMP QFN/MLF ATMEGA328PB-MU Microchip Technology 1: $1.52 18,651On Order	Mfr. Part # ATMEGA328PB-MU Mouser Part # 556-ATMEGA328PB-MU	Microchip Technology	8-bit Microcontrollers - MCU ATMEGA328PB IND TEMP QFN/MLF Learn More about Microchip Technology atmelatmega328	Datasheet	18,651On Order On Order Ship Dates Mfr. #: ATMEGA328PB-MU Stock: 0 On Order: 3,461 Expected 11/13/2026 7,840 Expected 1/7/2027 7,350 Expected 1/15/2027 Factory Lead-Time: 21 Weeks	$1.52 $1.39 $1.26	Min.: 1 Mult.: 1	AVR	32 kB	2 kB	QFN-32	20 MHz	10 bit	27 I/O	1.8 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	ATmega328PB	AEC-Q100	Tray
8-bit Microcontrollers - MCU ATMEGA328PB IND TEMP QFN T&R ATMEGA328PB-MUR Microchip Technology 1: $1.61 17,893Expected 3/12/2027	Mfr. Part # ATMEGA328PB-MUR Mouser Part # 556-ATMEGA328PB-MUR	Microchip Technology	8-bit Microcontrollers - MCU ATMEGA328PB IND TEMP QFN T&R Learn More about Microchip Technology atmelatmega328	Datasheet	17,893Expected 3/12/2027	Cut Tape $1.61 $1.58 Reel $1.58 MouseReel Available	Min.: 1 Mult.: 1 : 6,000	AVR	32 kB	2 kB	QFN-32	20 MHz	10 bit	27 I/O	1.8 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	ATmega328PB	AEC-Q100	Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU 64kB/4kB RAM, 10b ADC, DC-DC, 0.9V, QFN32 C8051F930-G-GM Silicon Labs 1: $5.60 10,632Expected 4/2/2027 End of Life	Mfr. Part # C8051F930-G-GM Mouser Part # 634-C8051F930-G-GM End of Life	Silicon Labs	8-bit Microcontrollers - MCU 64kB/4kB RAM, 10b ADC, DC-DC, 0.9V, QFN32 Learn More about Silicon Labs Silicon_Labs_C8051F9xx_MCU	Datasheet	10,632Expected 4/2/2027	$5.60 $4.44 $3.96 $3.67 View $3.58 $3.40 $3.39 $3.38	Min.: 1 Mult.: 1	8051	64 kB	4.25 kB	QFN-32	25 MHz	10 bit	24 I/O	1.8 V	3.6 V	SMD/SMT	8 bit	- 40 C	+ 85 C			Tube
8-bit Microcontrollers - MCU AVR 8K FLASH 3PSC BALLAST 16 MHz AT90PWM3B-16MU Microchip Technology 1: $3.69 779Expected 12/14/2026	Mfr. Part # AT90PWM3B-16MU Mouser Part # 556-A90PWM3B16MU	Microchip Technology	8-bit Microcontrollers - MCU AVR 8K FLASH 3PSC BALLAST 16 MHz	Datasheet	779Expected 12/14/2026	$3.69 $3.39 $3.07	Min.: 1 Mult.: 1	AVR	8 kB	512 B	QFN-32	16 MHz	10 bit	27 I/O	2.7 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 105 C	AT90PWM3B		Tray