.hide-partial { max-height: none; } .show-more { display: none; }

QFN-40 Microcontrollers - MCU

.catnav-wrapper { height: auto; overflow: visible; } .catalog-nav-tabs ul { white-space: normal; }

Types of Microcontrollers - MCU

List Images

Results: 283

Applied Filters:

Package/Case = QFN-40

Manufacturer

Mounting Style

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

Reset All

Search within results

In Stock

Normally Stocked

Active

New Products

RoHS Compliant

.search-refine-wrapper { display: inline-block; min-width: 100%; } .scroll-body { overflow-x: visible; } .search-table-wrapper { overflow: visible; } .hide-partial { max-height: none; } .show-more { display: none; }

Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (SGD) 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 PSoC 4 S-Series CapSense CY8C4146LQI-S433 Infineon Technologies 1: $5.85 170In Stock 2,450Expected 3/12/2026	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 3/12/2026	$5.85 $4.43 $3.86 $3.69 View $3.39 $3.29 $3.26 $3.17	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: $3.81 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	$3.81 $3.50 $3.16	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: $2.91 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	$2.91 $2.67 $2.42	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
8-bit Microcontrollers - MCU 8-Bit MCU 56KB Flash 4KB RAM 256B EE CIP PIC16F18877-I/MV Microchip Technology 1: $2.77 60In 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	60In Stock	$2.77 $2.54 $2.30	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	+ 85 C	AEC-Q100	Tube
8-bit Microcontrollers - MCU 28KB Fl 1KB R 256B 1.8-5.5V PIC16LF1939-E/MV Microchip Technology 1: $4.37 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	$4.37 $4.01 $3.63	Min.: 1 Mult.: 1	SMD/SMT	QFN-40	PIC16	8 bit	32 MHz	28 kB	1 kB	10 bit	36 I/O	1.8 V	3.6 V	+ 125 C		Tube
8-bit Microcontrollers - MCU 28KB Fl 1KB R 256B 1.8-5.5V PIC16LF1939-I/MV Microchip Technology 1: $3.97 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 9/11/2026 511 Expected 12/11/2026 Factory Lead Time: 17 Weeks	$3.97 $3.64 $3.30	Min.: 1 Mult.: 1	SMD/SMT	QFN-40	PIC16	8 bit	32 MHz	28 kB	1 kB	10 bit	36 I/O	1.8 V	3.6 V	+ 85 C		Tube
8-bit Microcontrollers - MCU 64KB 3968b RAM 8bit familynanoWatt XLP PIC18F46K22-I/MV Microchip Technology 1: $5.24 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 7/1/2027 511 Expected 22/2/2027 Factory Lead Time: 17 Weeks	$5.24 $4.81 $4.34	Min.: 1 Mult.: 1	SMD/SMT	QFN-40	PIC18	8 bit	64 MHz	64 kB	3.8 kB	10 bit	36 I/O	1.8 V	5.5 V	+ 85 C		Tube
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: $2.88 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	$2.88 $2.65 $2.39	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	+ 125 C		Tube
RF Microcontrollers - MCU SimpleLink 32bit Arm Cortex-M0+ 2.4GHz w CC2340R53N0RKPR Texas Instruments 1: $3.86 77In Stock 3,000Expected 13/11/2026 New Product	Mfr. Part No. CC2340R53N0RKPR Mouser Part No 595-CC2340R53N0RKPR New Product	Texas Instruments	RF Microcontrollers - MCU SimpleLink 32bit Arm Cortex-M0+ 2.4GHz w Learn More about Texas Instruments ti cc2340r5 wireless mcu	Datasheet	77In Stock 3,000Expected 13/11/2026	Cut Tape $3.86 $2.87 $2.62 $2.37 View Reel $2.16 $2.23 $2.18 $2.16	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	QFN-40	Arm Cortex-M0+	32 bit	12 MHz	512 kB	64 kB	12 bit	26 GPIO	2.2 V	3.8 V	+ 85 C		Reel, Cut Tape
ARM Microcontrollers - MCU PSOC4 - GENERAL CY8C4147LQE-S473 Infineon Technologies 1: $8.95 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	$8.95 $6.76 $6.04 $5.71 View $5.34 $5.20	Min.: 1 Mult.: 1	SMD/SMT	QFN-40	ARM Cortex M0+	32 bit	48 MHz	128 kB	16 kB	12 bit	34 I/O	1.71 V	5.5 V	+ 125 C	AEC-Q100	Tray
ARM Microcontrollers - MCU MCU RA4 ARM CM4 48MHZ 256K/32K QFN40 R7FA4M1AB3CNF#AA0 Renesas Electronics 1: $7.86 93In Stock 887Expected 22/1/2027	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	93In Stock 887Expected 22/1/2027	$7.86 $6.01 $5.28 $5.05 View $4.65 $4.52 $4.43 Quote	Min.: 1 Mult.: 1	SMD/SMT	QFN-40	ARM Cortex M4	32 bit	48 MHz	256 kB	32 kB	14 bit	28 I/O	1.6 V	5.5 V	+ 105 C		Tray
8-bit Microcontrollers - MCU 14KB FL 512B RAM 10 bit1.8-3.6V PIC16LF1517-I/MV Microchip Technology 1: $3.18 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	$3.18 $2.92 $2.65	Min.: 1 Mult.: 1	SMD/SMT	QFN-40	PIC16	8 bit	20 MHz	14 kB	512 B	10 bit	36 I/O	2.5 V	3.6 V	+ 85 C		Tube
8-bit Microcontrollers - MCU 14KB FL 512B RAM LCD nanoWatt XLP PIC16LF1907-I/MV Microchip Technology 1: $3.02 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	$3.02 $2.73 $2.49	Min.: 1 Mult.: 1	SMD/SMT	QFN-40	PIC16	8 bit	20 MHz	14 kB	512 B	10 bit	36 I/O	1.8 V	3.6 V	+ 85 C		Tube
ARM Microcontrollers - MCU PSOC4 - GENERAL CY8C4746LQS-S263 Infineon Technologies 1: $10.44 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	$10.44 $8.05 $7.09 $6.79 View $6.28 $6.09 $6.02 $5.75 Quote	Min.: 1 Mult.: 1	SMD/SMT	QFN-40	ARM Cortex M0+	32 bit	48 MHz	64 kB	8 kB	12 bit	34 I/O	1.71 V	5.5 V	+ 105 C		Tray
ARM Microcontrollers - MCU PSOC4 - GENERAL CY8C4747LQS-S453 Infineon Technologies 1: $11.95 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	$11.95 $9.41 $8.65 $8.00 View $7.59 $7.18 $6.99 Quote	Min.: 1 Mult.: 1	SMD/SMT	QFN-40	ARM Cortex M0+	32 bit	48 MHz	128 kB	8 kB	12 bit	34 I/O	1.71 V	5.5 V	+ 105 C		Tray
ARM Microcontrollers - MCU ARM Cortex-M33 32-bit 76 MHz 128 kB AES MCU EFM32PG22C200F128IM40-C Silicon Labs 1: $2.91 12,250Expected 25/12/2026	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 25/12/2026	$2.91 $2.27 $2.11 $1.94 View $1.89 $1.81 $1.78 $1.75 $1.73	Min.: 1 Mult.: 1	SMD/SMT	QFN-40	ARM Cortex M33	32 bit	76.8 MHz	128 kB	32 kB	12 bit, 16 bit	26 I/O	1.71 V	3.8 V	+ 125 C		Tray
ARM Microcontrollers - MCU PSOC4 - GENERAL CY8C4025LQSS413XQLA1 Infineon Technologies 1: $11.00 4,900Expected 5/11/2026	Mfr. Part No. CY8C4025LQSS413XQLA1 Mouser Part No 726-CY8C4025LQSS413X	Infineon Technologies	ARM Microcontrollers - MCU PSOC4 - GENERAL	Datasheet	4,900Expected 5/11/2026	$11.00 $8.08 $7.53 $6.62 View $6.28 $5.64 $5.18	Min.: 1 Mult.: 1	SMD/SMT	QFN-40	ARM Cortex M0+	32 bit	24 MHz	32 kB	4 kB	10 bit	34 I/O	1.71 V	5.5 V	+ 105 C	AEC-Q100	Tray
ARM Microcontrollers - MCU ARM Cortex-M33 32-bit 76 MHz 256 kB AES MCU EFM32PG22C200F256IM40-C Silicon Labs 1: $3.26 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	$3.26 $2.57 $2.30 $2.07 View $2.00 $1.90 $1.89 $1.88 $1.82	Min.: 1 Mult.: 1	SMD/SMT	QFN-40	ARM Cortex M33	32 bit	76.8 MHz	256 kB	32 kB	12 bit, 16 bit	26 I/O	1.71 V	3.8 V	+ 125 C		Tray
ARM Microcontrollers - MCU ARM Cortex-M33 32-bit 76 MHz 256 kB AES MCU EFM32PG22C200F256IM40-CR Silicon Labs 1: $3.18 7,500Expected 17/11/2026	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 17/11/2026	Cut Tape $3.18 $2.35 $2.15 $2.03 Reel $1.70	Min.: 1 Mult.: 1 : 2,500	SMD/SMT	QFN-40	ARM Cortex M33	32 bit	76.8 MHz	256 kB	32 kB	12 bit	26 I/O	3 V	3 V	+ 125 C		Reel, Cut Tape
ARM Microcontrollers - MCU ARM Cortex-M33 32-bit 80 MHz 128 kB AES MCU EFM32PG23B200F128IM40-CR Silicon Labs 1: $4.61 2,497Expected 4/12/2026	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 4/12/2026	Cut Tape $4.61 $3.44 $3.14 $2.82 View Reel $2.20 $2.67 $2.61 $2.20 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	SMD/SMT	QFN-40	ARM Cortex M33	32 bit	80 MHz	128 kB	64 kB	12 bit/16 bit/20 bit	29 I/O	1.71 V	3.8 V	+ 125 C		Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU 8051 50 MHz 64 kB 5 V CAN LIN 8-bit MCU C8051F508-IM Silicon Labs 1: $18.55 370Expected 16/4/2027 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 16/4/2027	$18.55 $14.54 $13.53 $12.43 View $12.31 $11.90	Min.: 1 Mult.: 1	SMD/SMT	QFN-40	8051	8 bit	50 MHz	64 kB	4.25 kB	12 bit	33 I/O	1.8 V	5.25 V	+ 125 C	AEC-Q100	Tube
8-bit Microcontrollers - MCU 8-Bit MCU 28KB Flash 2KB RAM 256B EE CIP PIC16F18876-I/MV Microchip Technology 1: $2.52 414Expected 25/12/2026	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 25/12/2026	$2.52 $2.30 $2.07	Min.: 1 Mult.: 1	SMD/SMT	QFN-40	PIC16	8 bit	32 MHz	28 kB	2 kB	10 bit	36 I/O	2.3 V	5.5 V	+ 85 C	AEC-Q100	Tube
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: $2.19 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 $2.19	Min.: 3,300 Mult.: 3,300 : 3,300	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		Reel
8-bit Microcontrollers - MCU 14KB Flash 512B RAM 10-bit 1.8-5.5V PIC16F1517-E/MV Microchip Technology 365: $2.92 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	$2.92	Min.: 365 Mult.: 73	SMD/SMT	QFN-40	PIC16	8 bit	20 MHz	8 kB	512 B	10 bit	36 I/O	2.5 V	5.5 V	+ 125 C		Tube
8-bit Microcontrollers - MCU 28KB Flash 1024B RAM 10-bit 1.8-5.5V PIC16F1519-I/MV Microchip Technology 1: $3.33 Non-Stocked Lead-Time 9 Weeks	Mfr. Part No. PIC16F1519-I/MV Mouser Part No 579-PIC16F1519-I/MV	Microchip Technology	8-bit Microcontrollers - MCU 28KB Flash 1024B RAM 10-bit 1.8-5.5V Learn More about Microchip Technology microchip pic16f15xx microcontrollers	Datasheet	Non-Stocked Lead-Time 9 Weeks	$3.33 $3.07 $2.79	Min.: 1 Mult.: 1	SMD/SMT	QFN-40	PIC16	8 bit	20 MHz	16 kB	1 kB	10 bit	36 I/O	2.5 V	5.5 V	+ 85 C		Tube