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QFN-40 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
ARM Microcontrollers - MCU ARM Cortex-M33 32-bit 80 MHz 512 kB AES MCU EFM32PG23B200F512IM40-CR Silicon Labs 1: $4.18 769In Stock	Mfr. Part No. EFM32PG23B200F512IM40-CR Mouser Part No 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 $4.18 $3.15 $2.89 $2.61 View Reel $2.26 $2.48 $2.46 $2.31 $2.26 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	SMD/SMT	QFN-40	ARM Cortex M33	32 bit	80 MHz	512 kB	64 kB	12 bit/16 bit/20 bit	29 I/O	1.71 V	3.8 V	+ 125 C		Reel, Cut Tape, MouseReel
ARM Microcontrollers - MCU PSoC4 CY8C4024LQI-S413 Infineon Technologies 1: $3.22 1,747In Stock	Mfr. Part No. CY8C4024LQI-S413 Mouser Part No 727-CY8C4024LQI-S413	Infineon Technologies	ARM Microcontrollers - MCU PSoC4 Learn More about Infineon Technologies cypress psoc 4000 socs	Datasheet	1,747In Stock	$3.22 $2.41 $2.09 $1.99 View $1.82 $1.77 $1.64	Min.: 1 Mult.: 1	SMD/SMT	QFN-40	ARM Cortex M0+	32 bit	24 MHz	16 kB	2 kB	10 bit	34 I/O	1.71 V	5.5 V	+ 85 C		Tray
ARM Microcontrollers - MCU PSoC 4 S-Series CapSense CY8C4125LQI-S423 Infineon Technologies 1: $3.19 4,307In Stock	Mfr. Part No. CY8C4125LQI-S423 Mouser Part No 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	$3.19 $2.39 $2.07 $1.97 View $1.80 $1.75 $1.40	Min.: 1 Mult.: 1	SMD/SMT	QFN-40	ARM Cortex M0+	32 bit	24 MHz	32 kB	4 kB	10 bit, 12 bit	34 I/O	1.71 V	5.5 V	+ 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: $1.31 3,229In Stock	Mfr. Part No. PIC16F18076T-I/MP Mouser Part No 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 $1.31 $1.29 Reel $1.09 MouseReel Available	Min.: 1 Mult.: 1 : 3,300	SMD/SMT	QFN-40	RISC	8 bit	32 MHz	28 kB	2 kB	10 bit	36 I/O	1.8 V	5.5 V	+ 85 C		Reel, Cut Tape, MouseReel
ARM Microcontrollers - MCU 48MHz, 5V Main Stream CM0+ MCU with NXP Touch (TSI) MKE15Z64VFP4 NXP Semiconductors 1: $4.59 1,412In Stock	Mfr. Part No. MKE15Z64VFP4 Mouser Part No 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	$4.59 $3.48 $3.04 $2.90 View $2.67 $2.59 Quote	Min.: 1 Mult.: 1	SMD/SMT	QFN-40	ARM Cortex M0+	32 bit	48 MHz	64 kB	8 kB	12 bit	36 I/O	2.7 V	5.5 V	+ 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: $1.65 3,280In Stock	Mfr. Part No. PIC18F44Q71T-I/MP Mouser Part No 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 $1.65 $1.61 Reel $1.37 MouseReel Available	Min.: 1 Mult.: 1 : 3,300	SMD/SMT	QFN-40	PIC18				1 kB		37 I/O	1.8 V	5.5 V	+ 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: $1.72 3,180In Stock	Mfr. Part No. PIC18F45Q71T-I/MP Mouser Part No 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 $1.72 $1.69 Reel $1.43 MouseReel Available	Min.: 1 Mult.: 1 : 3,300	SMD/SMT	QFN-40	PIC18			32 kB	2 kB		37 I/O	1.8 V	5.5 V	+ 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: $1.83 3,285In Stock	Mfr. Part No. PIC18F46Q71T-I/MP Mouser Part No 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 $1.83 $1.80 Reel $1.52 MouseReel Available	Min.: 1 Mult.: 1 : 3,300	SMD/SMT	QFN-40	PIC18			64 kB	4 kB		37 I/O	1.8 V	5.5 V	+ 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: $1.19 501In Stock	Mfr. Part No. PIC16F17174-I/MP Mouser Part No 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	$1.19 $1.09 $0.98	Min.: 1 Mult.: 1	SMD/SMT	QFN-40	RISC	8 bit	32 MHz	7 kB	512 B	12 bit	36 I/O	1.8 V	5.5 V	+ 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: $0.79 305In Stock	Mfr. Part No. PIC16F18174-I/MP Mouser Part No 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	$0.79 $0.783	Min.: 1 Mult.: 1	SMD/SMT	QFN-40	RISC	8 bit	32 MHz	7 kB	512 B	12 bit	36 I/O	1.8 V	5.5 V	+ 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: $1.70 428In Stock	Mfr. Part No. PIC18F45Q71-I/MP Mouser Part No 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	$1.70 $1.56 $1.41	Min.: 1 Mult.: 1	SMD/SMT	QFN-40	PIC18	8 bit	64 MHz	32 kB	2 kB	12 bit	37 I/O	1.8 V	5.5 V	+ 85 C		Tube
8-bit Microcontrollers - MCU 14KB Flash 512B RAM 10-bit 1.8-5.5V PIC16F1517-I/MV Microchip Technology 1: $2.34 154In Stock	Mfr. Part No. PIC16F1517-I/MV Mouser Part No 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	$2.34 $2.15 $1.95	Min.: 1 Mult.: 1	SMD/SMT	QFN-40	PIC16	8 bit	20 MHz	8 kB	512 B	10 bit	36 I/O	2.5 V	5.5 V	+ 85 C		Tube
8-bit Microcontrollers - MCU 28KB Flash, 2KB RAM 256B EEPROM PIC16F1789-I/MV Microchip Technology 1: $3.00 93In Stock	Mfr. Part No. PIC16F1789-I/MV Mouser Part No 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	$3.00 $2.76 $2.50	Min.: 1 Mult.: 1	SMD/SMT	QFN-40	PIC16	8 bit	32 MHz	28 kB	2 kB	12 bit	36 I/O	2.3 V	5.5 V	+ 85 C	AEC-Q100	Tube
8-bit Microcontrollers - MCU 28KB FL 1024B RAM 10 bit1.8-3.6V PIC16LF1519-I/MV Microchip Technology 1: $2.45 292In Stock	Mfr. Part No. PIC16LF1519-I/MV Mouser Part No 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	$2.45 $2.26 $2.05	Min.: 1 Mult.: 1	SMD/SMT	QFN-40	PIC16	8 bit	20 MHz	28 kB	1 kB	10 bit	36 I/O	2.5 V	3.6 V	+ 85 C		Tube
8-bit Microcontrollers - MCU 32KB 1536b RAM 8bit familynanoWatt XLP PIC18F45K22-I/MV Microchip Technology 1: $3.35 241In Stock	Mfr. Part No. PIC18F45K22-I/MV Mouser Part No 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	$3.35 $3.08 $2.78	Min.: 1 Mult.: 1	SMD/SMT	QFN-40	PIC18	8 bit	64 MHz	32 kB	1.5 kB	10 bit	36 I/O	1.8 V	5.5 V	+ 85 C		Tube
8-bit Microcontrollers - MCU 32 KB Flash RAM, 48 MHz Int. PIC18F45K50-I/MV Microchip Technology 1: $3.56 277In Stock	Mfr. Part No. PIC18F45K50-I/MV Mouser Part No 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	$3.56 $3.26 $2.95	Min.: 1 Mult.: 1	SMD/SMT	QFN-40	PIC18	8 bit	48 MHz	32 kB	2 kB	10 bit	36 I/O	2.3 V	5.5 V	+ 85 C		Tube
8-bit Microcontrollers - MCU 32KB FL 4KBRM 16MIPS 12bit ADC CTMU PIC18F45K80-I/ML Microchip Technology 1: $4.03 338In Stock	Mfr. Part No. PIC18F45K80-I/ML Mouser Part No 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	$4.03 $3.69 $3.35	Min.: 1 Mult.: 1	SMD/SMT	QFN-40	PIC18	8 bit	64 MHz	32 kB	1 kB	12 bit	35 I/O	1.8 V	5.5 V	+ 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-I/MP Microchip Technology 1: $1.59 364In Stock	Mfr. Part No. PIC18F45Q43-I/MP Mouser Part No 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	$1.59 $1.46 $1.32	Min.: 1 Mult.: 1	SMD/SMT	QFN-40	PIC18	8 bit	64 MHz	32 kB	2 kB	12 bit	36 I/O	1.8 V	5.5 V	+ 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: $1.92 648In Stock	Mfr. Part No. PIC18F47Q43-I/MP Mouser Part No 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	$1.92 $1.76 $1.60	Min.: 1 Mult.: 1	SMD/SMT	QFN-40	PIC18	8 bit	64 MHz	128 kB	8 kB	12 bit	36 I/O	1.8 V	5.5 V	+ 85 C		Tube
8-bit Microcontrollers - MCU 32 KB Flash RAM, 48 MHz Int. PIC18LF45K50-I/MV Microchip Technology 1: $3.56 177In Stock	Mfr. Part No. PIC18LF45K50-I/MV Mouser Part No 579-PIC18LF45K50I/MV	Microchip Technology	8-bit Microcontrollers - MCU 32 KB Flash RAM, 48 MHz Int.	Datasheet	177In Stock	$3.56 $3.26 $2.95	Min.: 1 Mult.: 1	SMD/SMT	QFN-40	PIC18	8 bit	48 MHz	32 kB	2 kB	10 bit	36 I/O	2.3 V	5.5 V	+ 85 C		Tube
8-bit Microcontrollers - MCU 32KB FL 4KBRM 16MIPS 12bit ADC CTMU XLP PIC18LF45K80-I/ML Microchip Technology 1: $4.03 136In Stock	Mfr. Part No. PIC18LF45K80-I/ML Mouser Part No 579-PIC18LF45K80I/ML	Microchip Technology	8-bit Microcontrollers - MCU 32KB FL 4KBRM 16MIPS 12bit ADC CTMU XLP	Datasheet	136In Stock	$4.03 $3.69 $3.35	Min.: 1 Mult.: 1	SMD/SMT	QFN-40	PIC18	8 bit	64 MHz	32 kB	1 kB	12 bit	35 I/O	1.8 V	3.6 V	+ 85 C		Tube
ARM Microcontrollers - MCU PSoC 4 S-Series CapSense CY8C4124LQI-S413 Infineon Technologies 1: $3.54 405In Stock	Mfr. Part No. CY8C4124LQI-S413 Mouser Part No 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	$3.54 $2.66 $2.31 $2.20 View $2.02 $1.96 $1.95 $1.91	Min.: 1 Mult.: 1	SMD/SMT	QFN-40	ARM Cortex M0+	32 bit	24 MHz	16 kB	4 kB	10 bit	34 I/O	1.71 V	5.5 V	+ 85 C		Tray
ARM Microcontrollers - MCU PSoC 4 S-Series CapSense CY8C4146LQI-S433 Infineon Technologies 1: $4.30 170In Stock 2,450Expected 03/12/2026	Mfr. Part No. CY8C4146LQI-S433 Mouser Part No 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 03/12/2026	$4.30 $3.26 $2.84 $2.71 View $2.49 $2.42 $2.40 $2.33	Min.: 1 Mult.: 1	SMD/SMT	QFN-40	ARM Cortex M0+	32 bit	48 MHz	64 kB	8 kB	10 bit, 12 bit	34 I/O	1.71 V	5.5 V	+ 85 C		Tray
8-bit Microcontrollers - MCU 7Kb Flash 512b ROM PAmp FstCmp I2C/SPI PIC16F1784-I/MV Microchip Technology 1: $2.80 11In Stock 292Expected 17/11/2026	Mfr. Part No. PIC16F1784-I/MV Mouser Part No 579-PIC16F1784-I/MV	Microchip Technology	8-bit Microcontrollers - MCU 7Kb Flash 512b ROM PAmp FstCmp I2C/SPI Learn More about Microchip Technology microchip intelligent analog PIC	Datasheet	11In Stock 292Expected 17/11/2026	$2.80 $2.57 $2.32	Min.: 1 Mult.: 1	SMD/SMT	QFN-40	PIC16	8 bit	32 MHz	7 kB	512 B	12 bit	36 I/O	2.3 V	5.5 V	+ 85 C		Tube
8-bit Microcontrollers - MCU 8-Bit MCU 56KB Flash 4KB RAM 256B EE CIP PIC16F18877-E/MV Microchip Technology 1: $2.14 441In Stock	Mfr. Part No. PIC16F18877-E/MV Mouser Part No 579-PIC16F18877-E/MV	Microchip Technology	8-bit Microcontrollers - MCU 8-Bit MCU 56KB Flash 4KB RAM 256B EE CIP Learn More about Microchip Technology microchip pic16f188xx microcontrollers	Datasheet	441In Stock	$2.14 $1.96 $1.78	Min.: 1 Mult.: 1	SMD/SMT	QFN-40	PIC16	8 bit	32 MHz	56 kB	4 kB	10 bit	36 I/O	2.3 V	5.5 V	+ 125 C	AEC-Q100	Tube