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QFN-40 ARM 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.	Series	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 76 MHz 64 kB AES MCU EFM32PG22C200F64IM40-CR Silicon Labs 1: $1.84 3,106In Stock	Mfr. Part # EFM32PG22C200F64IM40-CR Mouser Part # 634-EFM32PG22C6440CR	Silicon Labs	ARM Microcontrollers - MCU ARM Cortex-M33 32-bit 76 MHz 64 kB AES MCU Learn More about Silicon Labs efm32pg22 mcus	Datasheet	3,106In Stock	Cut Tape $1.84 $1.35 $1.23 $1.09 Reel $0.918 View $1.03 $0.985 $0.98 $0.898	Min.: 1 Mult.: 1 : 2,500		SMD/SMT	QFN-40	ARM Cortex M33	64 kB	32 bit			26 I/O	32 kB			- 40 C	+ 125 C		Reel, Cut Tape
ARM Microcontrollers - MCU ARM Cortex-M33 32-bit 76 MHz 64 kB AES MCU EFM32PG22C200F64IM40-C Silicon Labs 1: $2.01 5,747In Stock	Mfr. Part # EFM32PG22C200F64IM40-C Mouser Part # 634-EFM32PG22C64M40C	Silicon Labs	ARM Microcontrollers - MCU ARM Cortex-M33 32-bit 76 MHz 64 kB AES MCU Learn More about Silicon Labs efm32pg22 mcus	Datasheet	5,747In Stock	$2.01 $1.54 $1.40 $1.25 View $1.18 $1.14 $1.09 $1.07 $1.03	Min.: 1 Mult.: 1		SMD/SMT	QFN-40	ARM Cortex M33	64 kB	32 bit	12 bit, 16 bit	76.8 MHz	26 I/O	32 kB	1.71 V	3.8 V	- 40 C	+ 125 C		Tray
ARM Microcontrollers - MCU ARM Cortex-M33 32-bit 80 MHz 64 kB AES MCU EFM32PG23B200F64IM40-C Silicon Labs 1: $3.09 1,900In Stock	Mfr. Part # EFM32PG23B200F64IM40-C Mouser Part # 634-PG23200F64IM40C	Silicon Labs	ARM Microcontrollers - MCU ARM Cortex-M33 32-bit 80 MHz 64 kB AES MCU Learn More about Silicon Labs efm32pg23 microcontrollers	Datasheet	1,900In Stock	$3.09 $2.38 $2.17 $1.95 View $1.84 $1.80 $1.72 $1.65 $1.63	Min.: 1 Mult.: 1	PG23	SMD/SMT	QFN-40	ARM Cortex M33	64 kB	32 bit	12 bit/16 bit/20 bit	80 MHz	29 I/O	32 kB	1.71 V	3.8 V	- 40 C	+ 125 C		Tray
ARM Microcontrollers - MCU PSOC4 - GENERAL CY8C4146LQE-S433 Infineon Technologies 1: $6.63 878In Stock	Mfr. Part # CY8C4146LQE-S433 Mouser Part # 727-8C4146LQES433	Infineon Technologies	ARM Microcontrollers - MCU PSOC4 - GENERAL Learn More about Infineon Technologies cypress semiconductor psoc4100s	Datasheet	878In Stock	$6.63 $4.87 $4.54 $3.99 View $3.77 $3.76 $3.11 $2.97 Quote	Min.: 1 Mult.: 1	PSOC 4100S	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	+ 125 C		Tray
ARM Microcontrollers - MCU PSOC4 - GENERAL CY8C4146LQE-S423 Infineon Technologies 1: $4.92 4,704In Stock	Mfr. Part # CY8C4146LQE-S423 Mouser Part # 727-8C4146LQES423	Infineon Technologies	ARM Microcontrollers - MCU PSOC4 - GENERAL Learn More about Infineon Technologies cypress automotive qualified parts	Datasheet	4,704In Stock	$4.92 $3.74 $3.27 $3.16 View $3.13 Quote	Min.: 1 Mult.: 1	PSOC 4100S	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	+ 125 C		Tray
ARM Microcontrollers - MCU PSoC 4 S-Series CapSense CY8C4125LQI-S413 Infineon Technologies 1: $3.79 2,039In Stock	Mfr. Part # CY8C4125LQI-S413 Mouser Part # 727-CY8C4125LQI-S413	Infineon Technologies	ARM Microcontrollers - MCU PSoC 4 S-Series CapSense Learn More about Infineon Technologies cypress psoc 4100 mcus	Datasheet	2,039In Stock	$3.79 $2.86 $2.48 $2.17 View $2.11 $1.96 $1.95	Min.: 1 Mult.: 1	PSOC 4100	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
ARM Microcontrollers - MCU PSoC 4 S-Series CapSense CY8C4125LQI-S433 Infineon Technologies 1: $4.08 5,763In Stock	Mfr. Part # CY8C4125LQI-S433 Mouser Part # 727-CY8C4125LQI-S433	Infineon Technologies	ARM Microcontrollers - MCU PSoC 4 S-Series CapSense Learn More about Infineon Technologies cypress psoc 4100 mcus	Datasheet	5,763In Stock	$4.08 $3.09 $2.68 $2.56 View $2.35 $2.29 $2.22 $2.09	Min.: 1 Mult.: 1	PSOC 4100	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
ARM Microcontrollers - MCU PSoC 4 S-Series CapSense CY8C4146LQI-S423 Infineon Technologies 1: $3.96 4,385In Stock	Mfr. Part # CY8C4146LQI-S423 Mouser Part # 727-CY8C4146LQI-S423	Infineon Technologies	ARM Microcontrollers - MCU PSoC 4 S-Series CapSense Learn More about Infineon Technologies cypress semiconductor psoc4100s	Datasheet	4,385In Stock	$3.96 $2.99 $2.60 $2.48 View $2.28 $2.21 $2.15 $2.11	Min.: 1 Mult.: 1	PSOC 4100	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
ARM Microcontrollers - MCU ARM Cortex-M33 32-bit 80 MHz 512 kB AES MCU EFM32PG23B200F512IM40-C Silicon Labs 1: $4.08 2,931In Stock	Mfr. Part # EFM32PG23B200F512IM40-C Mouser Part # 634-PG23200F512IM40C	Silicon Labs	ARM Microcontrollers - MCU ARM Cortex-M33 32-bit 80 MHz 512 kB AES MCU Learn More about Silicon Labs efm32pg23 microcontrollers	Datasheet	2,931In Stock	$4.08 $3.16 $2.90 $2.62 View $2.49 $2.47 $2.32 $2.26	Min.: 1 Mult.: 1	PG23	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		Tray
ARM Microcontrollers - MCU PSoC4 CY8C4024LQI-S413 Infineon Technologies 1: $3.22 2,747In Stock	Mfr. Part # CY8C4024LQI-S413 Mouser Part # 727-CY8C4024LQI-S413	Infineon Technologies	ARM Microcontrollers - MCU PSoC4 Learn More about Infineon Technologies cypress psoc 4000 socs	Datasheet	2,747In Stock	$3.22 $2.41 $2.09 $1.99 View $1.82 $1.77 $1.66 $1.65	Min.: 1 Mult.: 1	PSOC 4000	SMD/SMT	QFN-40	ARM Cortex M0+	16 kB	32 bit	10 bit	24 MHz	34 I/O	2 kB	1.71 V	5.5 V	- 40 C	+ 85 C		Tray
ARM Microcontrollers - MCU USB-C HV MCU CYPM1111-40LQXI Infineon Technologies 1: $3.57 4,063In Stock	Mfr. Part # CYPM1111-40LQXI Mouser Part # 727-CYPM1111-40LQXI	Infineon Technologies	ARM Microcontrollers - MCU USB-C HV MCU Learn More about Infineon Technologies infineon usb c ez pd pmg1 s1	Datasheet	4,063In Stock	$3.57 $2.46 $2.25 $2.06 View $1.96 $1.73 $1.72	Min.: 1 Mult.: 1	EZ-PD PMG1-S1	SMD/SMT	QFN-40	ARM Cortex M0	128 kB	32 bit	8 bit	48 MHz	17 I/O	12 kB	2.7 V	5.5 V	- 40 C	+ 85 C		Tray
ARM Microcontrollers - MCU ARM Cortex-M33 32-bit 80 MHz 64 kB AES MCU EFM32PG23B200F64IM40-CR Silicon Labs 1: $3.20 7,970In Stock	Mfr. Part # EFM32PG23B200F64IM40-CR Mouser Part # 634-PG23200F64IM40CR	Silicon Labs	ARM Microcontrollers - MCU ARM Cortex-M33 32-bit 80 MHz 64 kB AES MCU Learn More about Silicon Labs efm32pg23 microcontrollers	Datasheet	7,970In Stock	Cut Tape $3.20 $2.39 $2.18 $1.96 Reel $1.66 View $1.85 $1.81 $1.72 $1.63	Min.: 1 Mult.: 1 : 2,500	PG23	SMD/SMT	QFN-40	ARM Cortex M33	64 kB	32 bit	12 bit/16 bit/20 bit	80 MHz	29 I/O	32 kB	1.71 V	3.8 V	- 40 C	+ 125 C		Reel, Cut Tape
ARM Microcontrollers - MCU PSoC4 CY8C4146LQI-S433T Infineon Technologies 1: $4.30 1,375In Stock	Mfr. Part # CY8C4146LQI-S433T Mouser Part # 727-CY8C4146LQIS433T	Infineon Technologies	ARM Microcontrollers - MCU PSoC4 Learn More about Infineon Technologies cypress psoc 4100 mcus	Datasheet	1,375In Stock	Cut Tape $4.30 $3.26 $2.84 $2.71 Reel $2.32 View $2.70 $2.49 $2.46 $2.29 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	PSOC 4100	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		Reel, Cut Tape, MouseReel
ARM Microcontrollers - MCU ARM Cortex-M33 32-bit 80 MHz 256 kB AES MCU EFM32PG23B200F256IM40-CR Silicon Labs 1: $3.71 2,483In Stock	Mfr. Part # EFM32PG23B200F256IM40-CR Mouser Part # 634-PG2320F256IM40CR	Silicon Labs	ARM Microcontrollers - MCU ARM Cortex-M33 32-bit 80 MHz 256 kB AES MCU Learn More about Silicon Labs efm32pg23 microcontrollers	Datasheet	2,483In Stock	Cut Tape $3.71 $2.76 $2.52 $2.26 Reel $1.92 View $2.14 $2.09 $1.99 $1.89	Min.: 1 Mult.: 1 : 2,500	PG23	SMD/SMT	QFN-40	ARM Cortex M33	256 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
ARM Microcontrollers - MCU ARM Cortex-M33 32-bit 80 MHz 512 kB AES MCU EFM32PG23B200F512IM40-CR Silicon Labs 1: $4.19 779In 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	779In Stock	Cut Tape $4.19 $3.16 $2.90 $2.62 View Reel $2.26 $2.49 $2.47 $2.32 $2.26 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	PG23	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 PSOC4 - GENERAL CY8C4125LQS-S423 Infineon Technologies 1: $4.63 1,699In Stock	Mfr. Part # CY8C4125LQS-S423 Mouser Part # 727-8C4125LQSS423	Infineon Technologies	ARM Microcontrollers - MCU PSOC4 - GENERAL Learn More about Infineon Technologies cypress automotive qualified parts	Datasheet	1,699In Stock	$4.63 $3.51 $3.06 $2.93 View $2.69 $2.62 $2.61 Quote	Min.: 1 Mult.: 1	PSOC 4100S	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	+ 105 C		Tray
ARM Microcontrollers - MCU ARM Cortex-M33 32-bit 76 MHz 512 kB AES MCU EFM32PG22C200F512IM40-CR Silicon Labs 1: $4.25 3,203In Stock	Mfr. Part # EFM32PG22C200F512IM40-CR Mouser Part # 634-EFM32PG22C1240CR	Silicon Labs	ARM Microcontrollers - MCU ARM Cortex-M33 32-bit 76 MHz 512 kB AES MCU Learn More about Silicon Labs efm32pg22 mcus	Datasheet	3,203In Stock	Cut Tape $4.25 $2.81 $2.56 $2.18 Reel $1.73 View $2.07 $1.86 $1.85 $1.56 MouseReel Available	Min.: 1 Mult.: 1 : 2,500		SMD/SMT	QFN-40	ARM Cortex M33	512 kB	32 bit	12 bit	76.8 MHz	26 I/O	32 kB	3.8 V	1.71 V	- 40 C	+ 125 C		Reel, Cut Tape, MouseReel
ARM Microcontrollers - MCU ARM Cortex-M33 32-bit 76 MHz 512 kB AES MCU EFM32PG22C200F512IM40-C Silicon Labs 1: $2.98 2,451In Stock	Mfr. Part # EFM32PG22C200F512IM40-C Mouser Part # 634-EFM32PG22C51240C	Silicon Labs	ARM Microcontrollers - MCU ARM Cortex-M33 32-bit 76 MHz 512 kB AES MCU Learn More about Silicon Labs efm32pg22 mcus	Datasheet	2,451In Stock	$2.98 $2.22 $2.03 $1.82 View $1.72 $1.68 $1.59 $1.55 $1.52	Min.: 1 Mult.: 1		SMD/SMT	QFN-40	ARM Cortex M33	512 kB	32 bit	12 bit, 16 bit	76.8 MHz	26 I/O	32 kB	1.71 V	3.8 V	- 40 C	+ 125 C		Tray
ARM Microcontrollers - MCU ARM Cortex-M33 32-bit 80 MHz 128 kB AES MCU EFM32PG23B200F128IM40-C Silicon Labs 1: $3.38 1,601In Stock	Mfr. Part # EFM32PG23B200F128IM40-C Mouser Part # 634-PG23200F128IM40C	Silicon Labs	ARM Microcontrollers - MCU ARM Cortex-M33 32-bit 80 MHz 128 kB AES MCU Learn More about Silicon Labs efm32pg23 microcontrollers	Datasheet	1,601In Stock	$3.38 $2.52 $2.30 $2.06 View $1.95 $1.91 $1.81 $1.76 $1.72	Min.: 1 Mult.: 1	PG23	SMD/SMT	QFN-40	ARM Cortex M33	128 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		Tray
ARM Microcontrollers - MCU ARM Cortex-M33 32-bit 80 MHz 256 kB AES MCU EFM32PG23B200F256IM40-C Silicon Labs 1: $3.71 3,374In Stock	Mfr. Part # EFM32PG23B200F256IM40-C Mouser Part # 634-PG23200F256IM40C	Silicon Labs	ARM Microcontrollers - MCU ARM Cortex-M33 32-bit 80 MHz 256 kB AES MCU Learn More about Silicon Labs efm32pg23 microcontrollers	Datasheet	3,374In Stock	$3.71 $2.76 $2.52 $2.26 View $2.14 $2.09 $1.99 $1.93 $1.89	Min.: 1 Mult.: 1	PG23	SMD/SMT	QFN-40	ARM Cortex M33	256 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		Tray
ARM Microcontrollers - MCU PSoC 4 S-Series CapSense CY8C4125LQI-S423 Infineon Technologies 1: $3.19 1,857In Stock 2,450Expected 11/13/2026	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	1,857In Stock 2,450Expected 11/13/2026	$3.19 $2.39 $2.07 $1.97 View $1.80 $1.75 $1.40	Min.: 1 Mult.: 1	PSOC 4100	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
ARM Microcontrollers - MCU 48MHz, 5V Main Stream CM0+ MCU with NXP Touch (TSI) MKE15Z64VFP4 NXP Semiconductors 1: $4.59 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	$4.59 $3.48 $3.04 $2.90 View $2.67 $2.59 Quote	Min.: 1 Mult.: 1	KE1xZ	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
ARM Microcontrollers - MCU PSoC 4 S-Series CapSense CY8C4124LQI-S413 Infineon Technologies 1: $3.54 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	$3.54 $2.66 $2.31 $2.20 View $2.02 $1.99 $1.95 $1.93	Min.: 1 Mult.: 1	PSOC 4100	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: $4.30 170In Stock 2,450Expected 1/28/2027	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 1/28/2027	$4.30 $3.26 $2.84 $2.71 View $2.49 $2.42 $2.40 $2.33	Min.: 1 Mult.: 1	PSOC 4100	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
ARM Microcontrollers - MCU PSOC4 - GENERAL CY8C4147LQE-S473 Infineon Technologies 1: $7.93 67In Stock	Mfr. Part # CY8C4147LQE-S473 Mouser Part # 727-CY8C4147LQE-S473	Infineon Technologies	ARM Microcontrollers - MCU PSOC4 - GENERAL Learn More about Infineon Technologies cypress psoc 4100 mcus	Datasheet	67In Stock	$7.93 $5.54 $5.28 $4.59 View $4.38 $3.99 $3.92 $3.74 Quote	Min.: 1 Mult.: 1		SMD/SMT	QFN-40	ARM Cortex M0+	128 kB	32 bit	12 bit	48 MHz	34 I/O	16 kB	1.71 V	5.5 V	- 40 C	+ 125 C	AEC-Q100	Tray

QFN-40 ARM Microcontrollers - MCU

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