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QFN-40 Microcontrollers - MCU

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (CAD) 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
ARM Microcontrollers - MCU ARM Cortex-M33 32-bit 80 MHz 512 kB AES MCU EFM32PG23B200F512IM40-CR Silicon Labs 1: $6.02 769In Stock	Mfr. Part # EFM32PG23B200F512IM40-CR Mouser Part # 634-PG2320F512IM40CR	Silicon Labs	ARM Microcontrollers - MCU ARM Cortex-M33 32-bit 80 MHz 512 kB AES MCU Learn More about Silicon Labs efm32pg23 microcontrollers	Datasheet	769In Stock	Cut Tape $6.02 $4.54 $4.16 $3.76 View Reel $3.25 $3.57 $3.54 $3.33 $3.25 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	SMD/SMT	QFN-40	ARM Cortex M33	512 kB	32 bit	12 bit/16 bit/20 bit	80 MHz	29 I/O	64 kB	1.71 V	3.8 V	- 40 C	+ 125 C		Reel, Cut Tape, MouseReel
ARM Microcontrollers - MCU PSoC 4 S-Series CapSense CY8C4125LQI-S423 Infineon Technologies 1: $4.59 4,307In Stock	Mfr. Part # CY8C4125LQI-S423 Mouser Part # 727-CY8C4125LQI-S423	Infineon Technologies	ARM Microcontrollers - MCU PSoC 4 S-Series CapSense Learn More about Infineon Technologies cypress psoc 4100 mcus	Datasheet	4,307In Stock	$4.59 $3.44 $2.98 $2.84 View $2.59 $2.52 $2.02	Min.: 1 Mult.: 1	SMD/SMT	QFN-40	ARM Cortex M0+	32 kB	32 bit	10 bit, 12 bit	24 MHz	34 I/O	4 kB	1.71 V	5.5 V	- 40 C	+ 85 C		Tray
8-bit Microcontrollers - MCU 28KB Flash, 256EE, 2KB RAM, 10b ADC, PWM, CCP, HLT, WDT, PPS, EUSART, SPI/I2C PIC16F18076T-I/MP Microchip Technology 1: $1.89 3,229In Stock	Mfr. Part # PIC16F18076T-I/MP Mouser Part # 579-PIC16F18076T-IMP	Microchip Technology	8-bit Microcontrollers - MCU 28KB Flash, 256EE, 2KB RAM, 10b ADC, PWM, CCP, HLT, WDT, PPS, EUSART, SPI/I2C Learn More about Microchip Technology microchip pic16f18056 pic16f18076 mcus	Datasheet	3,229In Stock	Cut Tape $1.89 $1.86 Reel $1.57 MouseReel Available	Min.: 1 Mult.: 1 : 3,300	SMD/SMT	QFN-40	RISC	28 kB	8 bit	10 bit	32 MHz	36 I/O	2 kB	1.8 V	5.5 V	- 40 C	+ 85 C		Reel, Cut Tape, MouseReel
ARM Microcontrollers - MCU 48MHz, 5V Main Stream CM0+ MCU with NXP Touch (TSI) MKE15Z64VFP4 NXP Semiconductors 1: $6.61 1,412In Stock	Mfr. Part # MKE15Z64VFP4 Mouser Part # 771-MKE15Z64VFP4	NXP Semiconductors	ARM Microcontrollers - MCU 48MHz, 5V Main Stream CM0+ MCU with NXP Touch (TSI) Learn More about NXP Semiconductors nxp kinetis ke1xz microcontrollers	Datasheet	1,412In Stock	$6.61 $5.01 $4.38 $4.18 View $3.84 $3.73 Quote	Min.: 1 Mult.: 1	SMD/SMT	QFN-40	ARM Cortex M0+	64 kB	32 bit	12 bit	48 MHz	36 I/O	8 kB	2.7 V	5.5 V	- 40 C	+ 105 C		Tray
8-bit Microcontrollers - MCU 16KB Flash, 1KB RAM, 2x OPA, 12-bit differential ADCC with computation, 8/10-bit Microchip Technology PIC18F44Q71T-I/MP PIC18F44Q71T-I/MP Microchip Technology 1: $2.38 3,280In Stock	Mfr. Part # PIC18F44Q71T-I/MP Mouser Part # 579-PC18F44Q71T-I/MP	Microchip Technology	8-bit Microcontrollers - MCU 16KB Flash, 1KB RAM, 2x OPA, 12-bit differential ADCC with computation, 8/10-bit Learn More about Microchip Technology microchip pic18 q71 mcus	Datasheet	3,280In Stock	Cut Tape $2.38 $2.32 Reel $1.97 MouseReel Available	Min.: 1 Mult.: 1 : 3,300	SMD/SMT	QFN-40	PIC18					37 I/O	1 kB	1.8 V	5.5 V	- 40 C	+ 85 C		Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU 32KB Flash, 2KB RAM, 2x OPA, 12-bit differential ADCC with computation, 8/10-bit Microchip Technology PIC18F45Q71T-I/MP PIC18F45Q71T-I/MP Microchip Technology 1: $2.48 3,180In Stock	Mfr. Part # PIC18F45Q71T-I/MP Mouser Part # 579-PC18F45Q71T-I/MP	Microchip Technology	8-bit Microcontrollers - MCU 32KB Flash, 2KB RAM, 2x OPA, 12-bit differential ADCC with computation, 8/10-bit Learn More about Microchip Technology microchip pic18 q71 mcus	Datasheet	3,180In Stock	Cut Tape $2.48 $2.43 Reel $2.06 MouseReel Available	Min.: 1 Mult.: 1 : 3,300	SMD/SMT	QFN-40	PIC18	32 kB				37 I/O	2 kB	1.8 V	5.5 V	- 40 C	+ 85 C		Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU 64KB Flash, 4KB RAM, 2x OPA, 12-bit differential ADCC with computation, 8/10-bit Microchip Technology PIC18F46Q71T-I/MP PIC18F46Q71T-I/MP Microchip Technology 1: $2.64 3,285In Stock	Mfr. Part # PIC18F46Q71T-I/MP Mouser Part # 579-PC18F46Q71T-I/MP	Microchip Technology	8-bit Microcontrollers - MCU 64KB Flash, 4KB RAM, 2x OPA, 12-bit differential ADCC with computation, 8/10-bit Learn More about Microchip Technology microchip pic18 q71 mcus	Datasheet	3,285In Stock	Cut Tape $2.64 $2.59 Reel $2.19 MouseReel Available	Min.: 1 Mult.: 1 : 3,300	SMD/SMT	QFN-40	PIC18	64 kB				37 I/O	4 kB	1.8 V	5.5 V	- 40 C	+ 85 C		Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU 7KB Flash, 512B RAM, 128B EEPROM, 12b Diff. ADCC, 1xOP-AMP, 2x16-bit dual PWM PIC16F17174-I/MP Microchip Technology 1: $1.71 501In Stock	Mfr. Part # PIC16F17174-I/MP Mouser Part # 579-PIC16F17174-I/MP	Microchip Technology	8-bit Microcontrollers - MCU 7KB Flash, 512B RAM, 128B EEPROM, 12b Diff. ADCC, 1xOP-AMP, 2x16-bit dual PWM Learn More about Microchip Technology microchip pic16f171 mcus	Datasheet	501In Stock	$1.71 $1.57 $1.41	Min.: 1 Mult.: 1	SMD/SMT	QFN-40	RISC	7 kB	8 bit	12 bit	32 MHz	36 I/O	512 B	1.8 V	5.5 V	- 40 C	+ 85 C		Tube
8-bit Microcontrollers - MCU 7KB Flash, 512B RAM, 128B EEPROM, 12b Diff. ADCC, 2x16-bit dual PWM PIC16F18174-I/MP Microchip Technology 1: $1.14 305In Stock	Mfr. Part # PIC16F18174-I/MP Mouser Part # 579-PIC16F18174-I/MP	Microchip Technology	8-bit Microcontrollers - MCU 7KB Flash, 512B RAM, 128B EEPROM, 12b Diff. ADCC, 2x16-bit dual PWM Learn More about Microchip Technology microchip pic16f18154 55 74 75 mcus	Datasheet	305In Stock	$1.14 $1.13	Min.: 1 Mult.: 1	SMD/SMT	QFN-40	RISC	7 kB	8 bit	12 bit	32 MHz	36 I/O	512 B	1.8 V	5.5 V	- 40 C	+ 85 C		Tube
8-bit Microcontrollers - MCU 16KB Flash, 1KB RAM, 2x OPA, 12-bit differential ADCC with comp PIC18F45Q71-I/MP Microchip Technology 1: $2.45 428In Stock	Mfr. Part # PIC18F45Q71-I/MP Mouser Part # 579-PIC18F45Q71-IMP	Microchip Technology	8-bit Microcontrollers - MCU 16KB Flash, 1KB RAM, 2x OPA, 12-bit differential ADCC with comp Learn More about Microchip Technology microchip pic18 q71 mcus	Datasheet	428In Stock	$2.45 $2.25 $2.03	Min.: 1 Mult.: 1	SMD/SMT	QFN-40	PIC18	32 kB	8 bit	12 bit	64 MHz	37 I/O	2 kB	1.8 V	5.5 V	- 40 C	+ 85 C		Tube
8-bit Microcontrollers - MCU 14KB Flash 512B RAM 10-bit 1.8-5.5V PIC16F1517-I/MV Microchip Technology 1: $3.37 154In Stock	Mfr. Part # PIC16F1517-I/MV Mouser Part # 579-PIC16F1517-I/MV	Microchip Technology	8-bit Microcontrollers - MCU 14KB Flash 512B RAM 10-bit 1.8-5.5V Learn More about Microchip Technology microchip pic16f15xx microcontrollers	Datasheet	154In Stock	$3.37 $3.10 $2.81	Min.: 1 Mult.: 1	SMD/SMT	QFN-40	PIC16	8 kB	8 bit	10 bit	20 MHz	36 I/O	512 B	2.5 V	5.5 V	- 40 C	+ 85 C		Tube
8-bit Microcontrollers - MCU 28KB Flash, 2KB RAM 256B EEPROM PIC16F1789-I/MV Microchip Technology 1: $4.32 93In Stock	Mfr. Part # PIC16F1789-I/MV Mouser Part # 579-PIC16F1789-I/MV	Microchip Technology	8-bit Microcontrollers - MCU 28KB Flash, 2KB RAM 256B EEPROM Learn More about Microchip Technology microchip intelligent analog PIC	Datasheet	93In Stock	$4.32 $3.97 $3.60	Min.: 1 Mult.: 1	SMD/SMT	QFN-40	PIC16	28 kB	8 bit	12 bit	32 MHz	36 I/O	2 kB	2.3 V	5.5 V	- 40 C	+ 85 C	AEC-Q100	Tube
8-bit Microcontrollers - MCU 28KB Flash, 256EE, 2KB RAM, 10b ADC, PWM, CCP, HLT, WDT, PPS, EUSART, SPI/I2C PIC16F18076-I/MP Microchip Technology 1: $1.27 476In Stock	Mfr. Part # PIC16F18076-I/MP Mouser Part # 579-PIC16F18076-I/MP	Microchip Technology	8-bit Microcontrollers - MCU 28KB Flash, 256EE, 2KB RAM, 10b ADC, PWM, CCP, HLT, WDT, PPS, EUSART, SPI/I2C Learn More about Microchip Technology microchip pic16f18056 pic16f18076 mcus	Datasheet	476In Stock	$1.27 $1.26	Min.: 1 Mult.: 1	SMD/SMT	QFN-40	PIC16	28 kB	8 bit	10 bit	32 MHz	36 I/O	2 kB	1.8 V	5.5 V	- 40 C	+ 85 C		Tube
8-bit Microcontrollers - MCU 28KB FL 1024B RAM 10 bit1.8-3.6V PIC16LF1519-I/MV Microchip Technology 1: $3.53 292In Stock	Mfr. Part # PIC16LF1519-I/MV Mouser Part # 579-PIC16LF1519-I/MV	Microchip Technology	8-bit Microcontrollers - MCU 28KB FL 1024B RAM 10 bit1.8-3.6V Learn More about Microchip Technology microchip pic16f15xx microcontrollers	Datasheet	292In Stock	$3.53 $3.25 $2.95	Min.: 1 Mult.: 1	SMD/SMT	QFN-40	PIC16	28 kB	8 bit	10 bit	20 MHz	36 I/O	1 kB	2.5 V	3.6 V	- 40 C	+ 85 C		Tube
8-bit Microcontrollers - MCU 32KB 1536b RAM 8bit familynanoWatt XLP PIC18F45K22-I/MV Microchip Technology 1: $4.82 241In Stock	Mfr. Part # PIC18F45K22-I/MV Mouser Part # 579-PIC18F45K22-I/MV	Microchip Technology	8-bit Microcontrollers - MCU 32KB 1536b RAM 8bit familynanoWatt XLP Learn More about Microchip Technology microchip pic18f45k22 mcus	Datasheet	241In Stock	$4.82 $4.44 $4.00	Min.: 1 Mult.: 1	SMD/SMT	QFN-40	PIC18	32 kB	8 bit	10 bit	64 MHz	36 I/O	1.5 kB	1.8 V	5.5 V	- 40 C	+ 85 C		Tube
8-bit Microcontrollers - MCU 32 KB Flash RAM, 48 MHz Int. PIC18F45K50-I/MV Microchip Technology 1: $5.13 277In Stock	Mfr. Part # PIC18F45K50-I/MV Mouser Part # 579-PIC18F45K50-I/MV	Microchip Technology	8-bit Microcontrollers - MCU 32 KB Flash RAM, 48 MHz Int. Learn More about Microchip Technology microchip pic18f45k50 mcus	Datasheet	277In Stock	$5.13 $4.69 $4.25	Min.: 1 Mult.: 1	SMD/SMT	QFN-40	PIC18	32 kB	8 bit	10 bit	48 MHz	36 I/O	2 kB	2.3 V	5.5 V	- 40 C	+ 85 C		Tube
8-bit Microcontrollers - MCU 32KB FL 4KBRM 16MIPS 12bit ADC CTMU PIC18F45K80-I/ML Microchip Technology 1: $5.80 338In Stock	Mfr. Part # PIC18F45K80-I/ML Mouser Part # 579-PIC18F45K80-I/ML	Microchip Technology	8-bit Microcontrollers - MCU 32KB FL 4KBRM 16MIPS 12bit ADC CTMU Learn More about Microchip Technology microchip pic18f45k80 mcus	Datasheet	338In Stock	$5.80 $5.31 $4.82	Min.: 1 Mult.: 1	SMD/SMT	QFN-40	PIC18	32 kB	8 bit	12 bit	64 MHz	35 I/O	1 kB	1.8 V	5.5 V	- 40 C	+ 85 C		Tube
8-bit Microcontrollers - MCU 32KB Flash, 2KB RAM, 3x 16-bit PWMs, 6 ch DMA Comparator, 8-bit DAC, 12-bit ADCC PIC18F45Q43-E/MP Microchip Technology 1: $2.53 407In Stock	Mfr. Part # PIC18F45Q43-E/MP Mouser Part # 579-PIC18F45Q43-E/MP	Microchip Technology	8-bit Microcontrollers - MCU 32KB Flash, 2KB RAM, 3x 16-bit PWMs, 6 ch DMA Comparator, 8-bit DAC, 12-bit ADCC	Datasheet	407In Stock	$2.53 $2.32 $2.10	Min.: 1 Mult.: 1	SMD/SMT	QFN-40	PIC18	32 kB	8 bit	12 bit	64 MHz	36 I/O	2 kB	1.8 V	5.5 V	- 40 C	+ 125 C		Tube
8-bit Microcontrollers - MCU 32KB Flash, 2KB RAM, 3x 16-bit PWMs, 6 ch DMA Comparator, 8-bit DAC, 12-bit ADCC PIC18F45Q43-I/MP Microchip Technology 1: $2.29 364In Stock	Mfr. Part # PIC18F45Q43-I/MP Mouser Part # 579-PIC18F45Q43-I/MP	Microchip Technology	8-bit Microcontrollers - MCU 32KB Flash, 2KB RAM, 3x 16-bit PWMs, 6 ch DMA Comparator, 8-bit DAC, 12-bit ADCC	Datasheet	364In Stock	$2.29 $2.10 $1.90	Min.: 1 Mult.: 1	SMD/SMT	QFN-40	PIC18	32 kB	8 bit	12 bit	64 MHz	36 I/O	2 kB	1.8 V	5.5 V	- 40 C	+ 125 C		Tube
8-bit Microcontrollers - MCU 64KB FL 4KBRM 16MIPS 12bit ADC CTMU PIC18F46K80-E/ML Microchip Technology 1: $7.16 45In Stock	Mfr. Part # PIC18F46K80-E/ML Mouser Part # 579-PIC18F46K80-E/ML	Microchip Technology	8-bit Microcontrollers - MCU 64KB FL 4KBRM 16MIPS 12bit ADC CTMU Learn More about Microchip Technology microchip automotive 8bit mcus	Datasheet	45In Stock	$7.16 $6.58 $5.95	Min.: 1 Mult.: 1	SMD/SMT	QFN-40	PIC18	64 kB	8 bit	12 bit	64 MHz	35 I/O	3.6 kB	1.8 V	5.5 V	- 40 C	+ 125 C		Tube
8-bit Microcontrollers - MCU 128KB Flash, 8KB RAM, 1KB EEPROM, 12-bit ADC2, 8-bit DAC, Comp, 16-bit PWM, PIC18F47Q43-I/MP Microchip Technology 1: $2.76 648In Stock	Mfr. Part # PIC18F47Q43-I/MP Mouser Part # 579-PIC18F47Q43-I/MP	Microchip Technology	8-bit Microcontrollers - MCU 128KB Flash, 8KB RAM, 1KB EEPROM, 12-bit ADC2, 8-bit DAC, Comp, 16-bit PWM, Learn More about Microchip Technology microchip pic18 q43 microcontroller	Datasheet	648In Stock	$2.76 $2.53 $2.30	Min.: 1 Mult.: 1	SMD/SMT	QFN-40	PIC18	128 kB	8 bit	12 bit	64 MHz	36 I/O	8 kB	1.8 V	5.5 V	- 40 C	+ 85 C		Tube
8-bit Microcontrollers - MCU 32 KB Flash RAM, 48 MHz Int. PIC18LF45K50-I/MV Microchip Technology 1: $5.13 177In Stock	Mfr. Part # PIC18LF45K50-I/MV Mouser Part # 579-PIC18LF45K50I/MV	Microchip Technology	8-bit Microcontrollers - MCU 32 KB Flash RAM, 48 MHz Int.	Datasheet	177In Stock	$5.13 $4.69 $4.25	Min.: 1 Mult.: 1	SMD/SMT	QFN-40	PIC18	32 kB	8 bit	10 bit	48 MHz	36 I/O	2 kB	2.3 V	5.5 V	- 40 C	+ 85 C		Tube
8-bit Microcontrollers - MCU 32KB FL 4KBRM 16MIPS 12bit ADC CTMU XLP PIC18LF45K80-I/ML Microchip Technology 1: $5.80 136In Stock	Mfr. Part # PIC18LF45K80-I/ML Mouser Part # 579-PIC18LF45K80I/ML	Microchip Technology	8-bit Microcontrollers - MCU 32KB FL 4KBRM 16MIPS 12bit ADC CTMU XLP	Datasheet	136In Stock	$5.80 $5.31 $4.82	Min.: 1 Mult.: 1	SMD/SMT	QFN-40	PIC18	32 kB	8 bit	12 bit	64 MHz	35 I/O	1 kB	1.8 V	3.6 V	- 40 C	+ 85 C		Tube
ARM Microcontrollers - MCU PSoC 4 S-Series CapSense CY8C4124LQI-S413 Infineon Technologies 1: $5.10 405In Stock	Mfr. Part # CY8C4124LQI-S413 Mouser Part # 727-CY8C4124LQI-S413	Infineon Technologies	ARM Microcontrollers - MCU PSoC 4 S-Series CapSense Learn More about Infineon Technologies cypress psoc 4100 mcus	Datasheet	405In Stock	$5.10 $3.83 $3.33 $3.17 View $2.91 $2.82 $2.81 $2.75	Min.: 1 Mult.: 1	SMD/SMT	QFN-40	ARM Cortex M0+	16 kB	32 bit	10 bit	24 MHz	34 I/O	4 kB	1.71 V	5.5 V	- 40 C	+ 85 C		Tray
ARM Microcontrollers - MCU PSoC 4 S-Series CapSense CY8C4146LQI-S433 Infineon Technologies 1: $6.19 170In Stock 2,450Expected 2026-12-03	Mfr. Part # CY8C4146LQI-S433 Mouser Part # 727-CY8C4146LQI-S433	Infineon Technologies	ARM Microcontrollers - MCU PSoC 4 S-Series CapSense Learn More about Infineon Technologies cypress semiconductor psoc4100s	Datasheet	170In Stock 2,450Expected 2026-12-03	$6.19 $4.69 $4.09 $3.90 View $3.59 $3.48 $3.46 $3.36	Min.: 1 Mult.: 1	SMD/SMT	QFN-40	ARM Cortex M0+	64 kB	32 bit	10 bit, 12 bit	48 MHz	34 I/O	8 kB	1.71 V	5.5 V	- 40 C	+ 85 C		Tray