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QFN-40 Embedded Processors & Controllers

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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	Number of I/Os	Data Bus Width	ADC Resolution
ARM Microcontrollers - MCU PSoC 4 S-Series CapSense CY8C4146LQI-S433 Infineon Technologies 1: $4.30 170In Stock 2,450Expected 2026/12/03	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 2026/12/03	$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+	34 I/O	32 bit	10 bit, 12 bit
8-bit Microcontrollers - MCU 7Kb Flash 512b ROM PAmp FstCmp I2C/SPI PIC16F1784-I/MV Microchip Technology 1: $2.80 11In Stock 292On Order	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 292On Order	$2.80 $2.57 $2.33	Min.: 1 Mult.: 1	SMD/SMT	QFN-40	PIC16	36 I/O	8 bit	12 bit
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 $1.97 $1.78	Min.: 1 Mult.: 1	SMD/SMT	QFN-40	PIC16	36 I/O	8 bit	10 bit
8-bit Microcontrollers - MCU 8-Bit MCU 56KB Flash 4KB RAM 256B EE CIP PIC16F18877-I/MV Microchip Technology 1: $2.04 70In Stock	Mfr. Part No. PIC16F18877-I/MV Mouser Part No 579-PIC16F18877-I/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	70In Stock	$2.04 $1.87 $1.69	Min.: 1 Mult.: 1	SMD/SMT	QFN-40	PIC16	36 I/O	8 bit	10 bit
8-bit Microcontrollers - MCU 28KB Fl 1KB R 256B 1.8-5.5V PIC16LF1939-E/MV Microchip Technology 1: $3.21 47In Stock	Mfr. Part No. PIC16LF1939-E/MV Mouser Part No 579-PIC16LF1939-E/MV	Microchip Technology	8-bit Microcontrollers - MCU 28KB Fl 1KB R 256B 1.8-5.5V	Datasheet	47In Stock	$3.21 $2.95 $2.67	Min.: 1 Mult.: 1	SMD/SMT	QFN-40	PIC16	36 I/O	8 bit	10 bit
8-bit Microcontrollers - MCU 28KB Fl 1KB R 256B 1.8-5.5V PIC16LF1939-I/MV Microchip Technology 1: $2.92 131In Stock 876On Order	Mfr. Part No. PIC16LF1939-I/MV Mouser Part No 579-PIC16LF1939-I/MV	Microchip Technology	8-bit Microcontrollers - MCU 28KB Fl 1KB R 256B 1.8-5.5V	Datasheet	131In Stock 876On Order On Order Ship Dates Mfr. No: PIC16LF1939-I/MV Stock: 131 Can Dispatch Immediately On Order: 365 Expected 2026/11/09 511 Expected 2026/11/12 Factory Lead Time: 17 Weeks	$2.92 $2.67 $2.43	Min.: 1 Mult.: 1	SMD/SMT	QFN-40	PIC16	36 I/O	8 bit	10 bit
8-bit Microcontrollers - MCU 64KB 3968b RAM 8bit familynanoWatt XLP PIC18F46K22-I/MV Microchip Technology 1: $3.85 34In Stock 730On Order	Mfr. Part No. PIC18F46K22-I/MV Mouser Part No 579-PIC18F46K22-I/MV	Microchip Technology	8-bit Microcontrollers - MCU 64KB 3968b RAM 8bit familynanoWatt XLP Learn More about Microchip Technology microchip automotive 8bit mcus	Datasheet	34In Stock 730On Order On Order Ship Dates Mfr. No: PIC18F46K22-I/MV Stock: 34 Can Dispatch Immediately On Order: 219 Expected 2027/01/07 511 Expected 2027/02/25 Factory Lead Time: 17 Weeks	$3.85 $3.54 $3.19	Min.: 1 Mult.: 1	SMD/SMT	QFN-40	PIC18	36 I/O	8 bit	10 bit
8-bit Microcontrollers - MCU 128KB Flash, 8KB RAM, 1KB EEPROM, 12-bit ADC2, 8-bit DAC, Comp, 16-bit PWM, PIC18F47Q43-E/MP Microchip Technology 1: $2.12 523In Stock	Mfr. Part No. PIC18F47Q43-E/MP Mouser Part No 579-PIC18F47Q43-E/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	523In Stock	$2.12 $1.95 $1.76	Min.: 1 Mult.: 1	SMD/SMT	QFN-40	PIC18	36 I/O	8 bit	12 bit
ARM Microcontrollers - MCU PSOC4 - GENERAL CY8C4147LQE-S473 Infineon Technologies 1: $6.58 67In Stock	Mfr. Part No. CY8C4147LQE-S473 Mouser Part No 727-CY8C4147LQE-S473	Infineon Technologies	ARM Microcontrollers - MCU PSOC4 - GENERAL Learn More about Infineon Technologies cypress psoc 4100 mcus	Datasheet	67In Stock	$6.58 $4.97 $4.44 $4.20 View $3.93 $3.83	Min.: 1 Mult.: 1	SMD/SMT	QFN-40	ARM Cortex M0+	34 I/O	32 bit	12 bit
8-bit Microcontrollers - MCU 14KB FL 512B RAM 10 bit1.8-3.6V PIC16LF1517-I/MV Microchip Technology 1: $2.34 283In Stock	Mfr. Part No. PIC16LF1517-I/MV Mouser Part No 579-PIC16LF1517-I/MV	Microchip Technology	8-bit Microcontrollers - MCU 14KB FL 512B RAM 10 bit1.8-3.6V Learn More about Microchip Technology microchipxlp	Datasheet	283In Stock	$2.34 $2.15 $1.95	Min.: 1 Mult.: 1	SMD/SMT	QFN-40	PIC16	36 I/O	8 bit	10 bit
8-bit Microcontrollers - MCU 14KB FL 512B RAM LCD nanoWatt XLP PIC16LF1907-I/MV Microchip Technology 1: $2.22 30In Stock	Mfr. Part No. PIC16LF1907-I/MV Mouser Part No 579-PIC16LF1907-I/MV	Microchip Technology	8-bit Microcontrollers - MCU 14KB FL 512B RAM LCD nanoWatt XLP Learn More about Microchip Technology microchip automotive 8bit mcus	Datasheet	30In Stock	$2.22 $2.01 $1.83	Min.: 1 Mult.: 1	SMD/SMT	QFN-40	PIC16	36 I/O	8 bit	10 bit
ARM Microcontrollers - MCU PSOC4 - GENERAL CY8C4746LQS-S263 Infineon Technologies 1: $7.68 100In Stock	Mfr. Part No. CY8C4746LQS-S263 Mouser Part No 727-CY8C4746LQS-S263	Infineon Technologies	ARM Microcontrollers - MCU PSOC4 - GENERAL Learn More about Infineon Technologies infineon 4700s microcontrollers	Datasheet	100In Stock	$7.68 $5.92 $5.21 $4.99 View $4.62 $4.48 $4.43 $4.23 Quote	Min.: 1 Mult.: 1	SMD/SMT	QFN-40	ARM Cortex M0+	34 I/O	32 bit	12 bit
ARM Microcontrollers - MCU PSOC4 - GENERAL CY8C4747LQS-S453 Infineon Technologies 1: $8.79 100In Stock	Mfr. Part No. CY8C4747LQS-S453 Mouser Part No 727-CY8C4747LQS-S453	Infineon Technologies	ARM Microcontrollers - MCU PSOC4 - GENERAL Learn More about Infineon Technologies infineon 4700s microcontrollers	Datasheet	100In Stock	$8.79 $6.92 $6.36 $5.88 View $5.58 $5.28 $5.14 $5.12 Quote	Min.: 1 Mult.: 1	SMD/SMT	QFN-40	ARM Cortex M0+	34 I/O	32 bit	12 bit
ARM Microcontrollers - MCU ARM Cortex-M33 32-bit 76 MHz 128 kB AES MCU EFM32PG22C200F128IM40-C Silicon Labs 1: $2.14 12,250Expected 2026/11/10	Mfr. Part No. EFM32PG22C200F128IM40-C Mouser Part No 634-EFM32PG22C12840C	Silicon Labs	ARM Microcontrollers - MCU ARM Cortex-M33 32-bit 76 MHz 128 kB AES MCU Learn More about Silicon Labs efm32pg22 mcus	Datasheet	12,250Expected 2026/11/10	$2.14 $1.67 $1.55 $1.43 View $1.40 $1.33 $1.31 $1.29 $1.27	Min.: 1 Mult.: 1	SMD/SMT	QFN-40	ARM Cortex M33	26 I/O	32 bit	12 bit, 16 bit
ARM Microcontrollers - MCU PSOC4 - GENERAL CY8C4025LQSS413XQLA1 Infineon Technologies 1: $8.09 4,900Expected 2026/11/05	Mfr. Part No. CY8C4025LQSS413XQLA1 Mouser Part No 726-CY8C4025LQSS413X	Infineon Technologies	ARM Microcontrollers - MCU PSOC4 - GENERAL	Datasheet	4,900Expected 2026/11/05	$8.09 $5.94 $5.54 $4.87 View $4.62 $4.15 $3.81	Min.: 1 Mult.: 1	SMD/SMT	QFN-40	ARM Cortex M0+	34 I/O	32 bit	10 bit
ARM Microcontrollers - MCU ARM Cortex-M33 32-bit 76 MHz 256 kB AES MCU EFM32PG22C200F256IM40-C Silicon Labs 1: $2.40 2,450On Order	Mfr. Part No. EFM32PG22C200F256IM40-C Mouser Part No 634-EFM32PG22C25640C	Silicon Labs	ARM Microcontrollers - MCU ARM Cortex-M33 32-bit 76 MHz 256 kB AES MCU Learn More about Silicon Labs efm32pg22 mcus	Datasheet	2,450On Order	$2.40 $1.90 $1.69 $1.52 View $1.47 $1.40 $1.38 $1.34	Min.: 1 Mult.: 1	SMD/SMT	QFN-40	ARM Cortex M33	26 I/O	32 bit	12 bit, 16 bit
ARM Microcontrollers - MCU ARM Cortex-M33 32-bit 76 MHz 256 kB AES MCU EFM32PG22C200F256IM40-CR Silicon Labs 1: $2.34 7,500Expected 2026/11/17	Mfr. Part No. EFM32PG22C200F256IM40-CR Mouser Part No 634-EFM32PG22C5640CR	Silicon Labs	ARM Microcontrollers - MCU ARM Cortex-M33 32-bit 76 MHz 256 kB AES MCU Learn More about Silicon Labs efm32pg22 mcus	Datasheet	7,500Expected 2026/11/17	Cut Tape $2.34 $1.73 $1.58 $1.49 Reel $1.26	Min.: 1 Mult.: 1 : 2,500	SMD/SMT	QFN-40	ARM Cortex M33	26 I/O	32 bit	12 bit
ARM Microcontrollers - MCU ARM Cortex-M33 32-bit 80 MHz 128 kB AES MCU EFM32PG23B200F128IM40-CR Silicon Labs 1: $3.40 2,497Expected 2026/12/11	Mfr. Part No. EFM32PG23B200F128IM40-CR Mouser Part No 634-PG2320F128IM40CR	Silicon Labs	ARM Microcontrollers - MCU ARM Cortex-M33 32-bit 80 MHz 128 kB AES MCU Learn More about Silicon Labs efm32pg23 microcontrollers	Datasheet	2,497Expected 2026/12/11	Cut Tape $3.40 $2.54 $2.31 $2.07 View Reel $1.63 $1.97 $1.92 $1.63 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	SMD/SMT	QFN-40	ARM Cortex M33	29 I/O	32 bit	12 bit/16 bit/20 bit
ARM Microcontrollers - MCU MCU RA4 ARM CM4 48MHZ 256K/32K QFN40 R7FA4M1AB3CNF#AA0 Renesas Electronics 1: $5.78 980On Order	Mfr. Part No. R7FA4M1AB3CNF#AA0 Mouser Part No 968-R7FA4M1AB3CNFAA0	Renesas Electronics	ARM Microcontrollers - MCU MCU RA4 ARM CM4 48MHZ 256K/32K QFN40 Learn More about Renesas Electronics renesas ra4m1 mcu	Datasheet	980On Order On Order Ship Dates Mfr. No: R7FA4M1AB3CNF#AA0 Stock: 0 On Order: 93 Expected 2026/11/10 887 Expected 2027/02/18 Factory Lead Time: 18 Weeks	$5.78 $4.42 $3.88 $3.71 View $3.42 $3.33 $3.26 Quote	Min.: 1 Mult.: 1	SMD/SMT	QFN-40	ARM Cortex M4	28 I/O	32 bit	14 bit
8-bit Microcontrollers - MCU 8051 50 MHz 64 kB 5 V CAN LIN 8-bit MCU C8051F508-IM Silicon Labs 1: $13.64 370Expected 2027/06/25 End of Life	Mfr. Part No. C8051F508-IM Mouser Part No 634-C8051F508-IM End of Life	Silicon Labs	8-bit Microcontrollers - MCU 8051 50 MHz 64 kB 5 V CAN LIN 8-bit MCU Learn More about Silicon Labs silicon c8051f58x automotive industrial mcus	Datasheet	370Expected 2027/06/25	$13.64 $10.69 $9.96 $9.14 View $9.05 $8.76	Min.: 1 Mult.: 1	SMD/SMT	QFN-40	8051	33 I/O	8 bit	12 bit
8-bit Microcontrollers - MCU 8-Bit MCU 28KB Flash 2KB RAM 256B EE CIP PIC16F18876-I/MV Microchip Technology 1: $1.85 414Expected 2026/12/25	Mfr. Part No. PIC16F18876-I/MV Mouser Part No 579-PIC16F18876-I/MV	Microchip Technology	8-bit Microcontrollers - MCU 8-Bit MCU 28KB Flash 2KB RAM 256B EE CIP Learn More about Microchip Technology microchip pic16f188xx microcontrollers	Datasheet	414Expected 2026/12/25	$1.85 $1.69 $1.52	Min.: 1 Mult.: 1	SMD/SMT	QFN-40	PIC16	36 I/O	8 bit	10 bit
8-bit Microcontrollers - MCU 128KB Flash, 8KB RAM, 1KB EEPROM, 12-bit ADC2, 8-bit DAC, Comp, 16-bit PWM, PIC18F47Q43T-I/MP Microchip Technology 3,300: $1.62 Non-Stocked Lead-Time 9 Weeks	Mfr. Part No. PIC18F47Q43T-I/MP Mouser Part No 579-IC18F47Q43T-I/MP	Microchip Technology	8-bit Microcontrollers - MCU 128KB Flash, 8KB RAM, 1KB EEPROM, 12-bit ADC2, 8-bit DAC, Comp, 16-bit PWM,	Datasheet	Non-Stocked Lead-Time 9 Weeks	Reel $1.62	Min.: 3,300 Mult.: 3,300 : 3,300	SMD/SMT	QFN-40	PIC18	36 I/O	8 bit	12 bit
8-bit Microcontrollers - MCU 14KB Flash 512B RAM 10-bit 1.8-5.5V PIC16F1517-E/MV Microchip Technology 365: $2.15 Non-Stocked Lead-Time 9 Weeks	Mfr. Part No. PIC16F1517-E/MV Mouser Part No 579-PIC16F1517-E/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	Non-Stocked Lead-Time 9 Weeks	$2.15	Min.: 365 Mult.: 73	SMD/SMT	QFN-40	PIC16	36 I/O	8 bit	10 bit
8-bit Microcontrollers - MCU 7KB Flash, 512B RAM, 10b ADC, 2xPWM, 2xCCP, HLT, WDT, PPS, EUSART, SPI/I2C, XLP PIC16F15274-E/MP Microchip Technology 803: $0.83 Non-Stocked Lead-Time 10 Weeks	Mfr. Part No. PIC16F15274-E/MP Mouser Part No 579-PIC16F15274-E/MP	Microchip Technology	8-bit Microcontrollers - MCU 7KB Flash, 512B RAM, 10b ADC, 2xPWM, 2xCCP, HLT, WDT, PPS, EUSART, SPI/I2C, XLP	Datasheet	Non-Stocked Lead-Time 10 Weeks	$0.83	Min.: 803 Mult.: 73		QFN-40
8-bit Microcontrollers - MCU 7KB Flash, 512B RAM, 10b ADC, 2xPWM, 2xCCP, HLT, WDT, PPS, EUSART, SPI/I2C, XLP PIC16F15274-I/MP Microchip Technology 876: $0.755 Non-Stocked Lead-Time 10 Weeks	Mfr. Part No. PIC16F15274-I/MP Mouser Part No 579-PIC16F15274-I/MP	Microchip Technology	8-bit Microcontrollers - MCU 7KB Flash, 512B RAM, 10b ADC, 2xPWM, 2xCCP, HLT, WDT, PPS, EUSART, SPI/I2C, XLP	Datasheet	Non-Stocked Lead-Time 10 Weeks	$0.755	Min.: 876 Mult.: 73		QFN-40