QFN-40 Microcontrollers - MCU

Results: 281
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Description Datasheet Availability Pricing (SGD) Filter the results in the table by unit price based on your quantity.
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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
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Packaging
Microchip Technology 8-bit Microcontrollers - MCU 8-Bit MCU 28KB Flash 2KB RAM 256B EE CIP
Datasheet
343In Stock
Min.: 1
Mult.: 1

SMD/SMT QFN-40 PIC16 28 kB 8 bit 10 bit 32 MHz 36 I/O 2 kB 2.3 V 5.5 V - 40 C + 85 C AEC-Q100 Tube
Microchip Technology 8-bit Microcontrollers - MCU 8-Bit MCU 56KB Flash 4KB RAM 256B EE CIP
Datasheet
170In Stock
Min.: 1
Mult.: 1

SMD/SMT QFN-40 PIC16 56 kB 8 bit 10 bit 32 MHz 36 I/O 4 kB 2.3 V 5.5 V - 40 C + 85 C AEC-Q100 Tube
Microchip Technology 8-bit Microcontrollers - MCU 14KB FL 512B RAM 10 bit1.8-3.6V
Datasheet
283In Stock
Min.: 1
Mult.: 1

SMD/SMT QFN-40 PIC16 14 kB 8 bit 10 bit 20 MHz 36 I/O 512 B 2.5 V 3.6 V - 40 C + 85 C Tube
Microchip Technology 8-bit Microcontrollers - MCU 14KB FL 512B RAM LCD nanoWatt XLP
Datasheet
30In Stock
Min.: 1
Mult.: 1

SMD/SMT QFN-40 PIC16 14 kB 8 bit 10 bit 20 MHz 36 I/O 512 B 1.8 V 3.6 V - 40 C + 85 C Tube
Microchip Technology 8-bit Microcontrollers - MCU 28KB Fl 1KB R 256B 1.8-5.5V
Datasheet
47In Stock
Min.: 1
Mult.: 1

SMD/SMT QFN-40 PIC16 28 kB 8 bit 10 bit 32 MHz 36 I/O 1 kB 1.8 V 3.6 V - 40 C + 125 C Tube
Microchip Technology 8-bit Microcontrollers - MCU 32 KB Flash RAM, 48 MHz Int.
Datasheet
412In Stock
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

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
433In Stock
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
Microchip Technology 8-bit Microcontrollers - MCU 64KB 3968b RAM 8bit familynanoWatt XLP
Datasheet
327In Stock
Min.: 1
Mult.: 1

SMD/SMT QFN-40 PIC18 64 kB 8 bit 10 bit 64 MHz 36 I/O 3.8 kB 1.8 V 5.5 V - 40 C + 85 C Tube
Microchip Technology 8-bit Microcontrollers - MCU 64KB FL 4KBRM 16MIPS 12bit ADC CTMU
Datasheet
58In Stock
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

Microchip Technology 8-bit Microcontrollers - MCU 64KB Flash, 4KB RAM, 3x 16-bit PWMs, 6 ch DMA Comparator, 8-bit DAC, 12-bit ADCC
Datasheet
602In Stock
Min.: 1
Mult.: 1

SMD/SMT QFN-40 PIC18 64 kB 8 bit 12 bit 64 MHz 36 I/O 4 kB 1.8 V 5.5 V - 40 C + 85 C Tube
Microchip Technology 8-bit Microcontrollers - MCU 32KB FL 4KBRM 16MIPS 12bit ADC CTMU XLP
Datasheet
171In Stock
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
Silicon Labs ARM Microcontrollers - MCU ARM Cortex-M33 32-bit 76 MHz 512 kB AES MCU
Datasheet
769In Stock
2,500Expected 9/6/2026
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
Silicon Labs 8-bit Microcontrollers - MCU 8051 50 MHz 64 kB 5 V CAN LIN 8-bit MCU
Datasheet
951In Stock
Min.: 1
Mult.: 1

SMD/SMT QFN-40 8051 64 kB 8 bit 12 bit 50 MHz 33 I/O 4.25 kB 1.8 V 5.25 V - 40 C + 125 C AEC-Q100 Tube

Microchip Technology 8-bit Microcontrollers - MCU 128KB Flash, 8KB RAM, 1KB EEPROM, 12-bit ADC2, 8-bit DAC, Comp, 16-bit PWM,
Datasheet
623In Stock
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 + 125 C Tube

Microchip Technology 8-bit Microcontrollers - MCU 128KB Flash, 8KB RAM, 1KB EEPROM, 12-bit ADC2, 8-bit DAC, Comp, 16-bit PWM,
Datasheet
764In Stock
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
Infineon Technologies ARM Microcontrollers - MCU PSOC4 - GENERAL
Datasheet
59In Stock
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

Renesas Electronics ARM Microcontrollers - MCU MCU RA4 ARM CM4 48MHZ 256K/32K QFN40
Datasheet
167In Stock
490On Order
Min.: 1
Mult.: 1

SMD/SMT QFN-40 ARM Cortex M4 256 kB 32 bit 14 bit 48 MHz 28 I/O 32 kB 1.6 V 5.5 V - 40 C + 105 C Tray

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
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
Infineon Technologies ARM Microcontrollers - MCU PSOC4 - GENERAL
Datasheet
100In Stock
Min.: 1
Mult.: 1

SMD/SMT QFN-40 ARM Cortex M0+ 64 kB 32 bit 12 bit 48 MHz 34 I/O 8 kB 1.71 V 5.5 V - 40 C + 105 C Tray
Infineon Technologies ARM Microcontrollers - MCU PSOC4 - GENERAL
Datasheet
100In Stock
Min.: 1
Mult.: 1

SMD/SMT QFN-40 ARM Cortex M0+ 128 kB 32 bit 12 bit 48 MHz 34 I/O 8 kB 1.71 V 5.5 V - 40 C + 105 C Tray
NXP Semiconductors ARM Microcontrollers - MCU 48MHz, 5V Main Stream CM0+ MCU
Datasheet
490In Stock
Min.: 1
Mult.: 1
SMD/SMT QFN-40 ARM Cortex M0+ 32 kB 32 bit 12 bit 48 MHz 36 I/O 8 kB 2.7 V 5.5 V - 40 C + 105 C Tray
NXP Semiconductors ARM Microcontrollers - MCU 48MHz, 5V Main Stream CM0+ MCU
Datasheet
490In Stock
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
Microchip Technology 8-bit Microcontrollers - MCU 32KB 1536b RAM 8bit familynanoWatt XLP
Datasheet
540Expected 9/6/2026
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
Microchip Technology 8-bit Microcontrollers - MCU 32KB FL 4KBRM 16MIPS 12bit ADC CTMU
Datasheet
580Expected 8/6/2026
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
Silicon Labs ARM Microcontrollers - MCU ARM Cortex-M33 32-bit 76 MHz 128 kB AES MCU
Datasheet
4,500Expected 9/6/2026
Min.: 1
Mult.: 1

SMD/SMT QFN-40 ARM Cortex M33 128 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