QFN-20 Microcontrollers - MCU

Results: 307
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Description Datasheet Availability Pricing (TWD) Filter the results in the table by unit price based on your quantity.
Qty. RoHS 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
Silicon Labs 8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 8 kB flash 1.28 kB RAM 16 GPIO BB5 8-bit MCU
Datasheet
294In Stock
Min.: 1
Mult.: 1

SMD/SMT QFN-20 16 kB 16 I/O 1.28 kB 1.8 V 5.5 V - 40 C + 85 C Cut Tape

Silicon Labs 8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU
Datasheet
44In Stock
2,520Expected 9/1/2026
Min.: 1
Mult.: 1

SMD/SMT QFN-20 CIP-51 8051 16 kB 8 bit 12 bit 50 MHz 16 I/O 2.25 kB 2.2 V 3.6 V - 40 C + 125 C AEC-Q100 Tube

Silicon Labs 8-bit Microcontrollers - MCU 8kB/768B RAM, 10b ADC, 10b DAC, QFN20 OTP available (T630-GM)
Datasheet
24In Stock
1,500Expected 10/23/2026
MouseReel Available
Min.: 1
Mult.: 1
: 1,500

SMD/SMT QFN-20 8051 8 kB 8 bit 10 bit 25 MHz 17 I/O 768 B 2.7 V 3.6 V - 40 C + 85 C Reel, Cut Tape, MouseReel

Microchip Technology 8-bit Microcontrollers - MCU 7.1 KB 256 RAM 18I/O
Datasheet
37In Stock
Min.: 1
Mult.: 1

SMD/SMT QFN-20 PIC16 7 kB 8 bit 10 bit 20 MHz 18 I/O 256 B 4.5 V 5.5 V - 40 C + 125 C Tube
Microchip Technology 8-bit Microcontrollers - MCU 7 KB FLASH 256 B SRAM, 18 I/O
Datasheet
60In Stock
Min.: 1
Mult.: 1
: 3,300

SMD/SMT QFN-20 PIC16 7 kB 8 bit 8 bit 16 MHz 18 I/O 256 B 1.8 V 5.5 V - 40 C + 85 C Reel, Cut Tape

Silicon Labs 8-bit Microcontrollers - MCU 8051 25 MHz 8 kB flash 0.5 kB RAM 8-bit Busy Bee MCU
Datasheet
2,520Expected 9/1/2026
Min.: 1
Mult.: 1

SMD/SMT QFN-20 CIP-51 8051 8 kB 8 bit 12 bit 25 MHz 16 I/O 512 B 2.2 V 3.6 V - 40 C + 125 C Tube

STMicroelectronics 8-bit Microcontrollers - MCU 8-bit MCU Value Line 16 MHz 8kb FL 128EE
Datasheet
23,844On Order
MouseReel Available
Min.: 1
Mult.: 1
: 3,000

SMD/SMT QFN-20 STM8 8 kB 8 bit 10 bit 16 MHz 16 I/O 1 kB 2.95 V 5.5 V - 40 C + 85 C Reel, Cut Tape, MouseReel

Microchip Technology 8-bit Microcontrollers - MCU 14KB FL 1KBRAM 32MHz 12I/0 Enhanced XLP
Datasheet
3,143Expected 8/24/2026
MouseReel Available
Min.: 1
Mult.: 1
: 3,300

SMD/SMT QFN-20 PIC16 14 kB 8 bit 10 bit 32 MHz 18 I/O 1 kB 2.3 V 3.6 V - 40 C + 85 C Reel, Cut Tape, MouseReel
Silicon Labs 8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU
Datasheet
1,498Expected 9/1/2026
Min.: 1
Mult.: 1
: 1,500

SMD/SMT QFN-20 CIP-51 8051 16 kB 8 bit 12 bit 50 MHz 16 I/O 2.25 kB 2.2 V 3.6 V - 40 C + 125 C AEC-Q100 Reel, Cut Tape

Silicon Labs 8-bit Microcontrollers - MCU 8051 25 MHz 8 kB LFO 8-bit MCU
Datasheet
1,911Expected 10/16/2026
Min.: 1
Mult.: 1

SMD/SMT QFN-20 8051 8 kB 8 bit 10 bit 25 MHz 17 I/O 768 B 2.7 V 3.6 V - 40 C + 85 C Tube
Microchip Technology 8-bit Microcontrollers - MCU 8-Bit MCU, 7KB Flash 512 RAM 10bit DAC
Datasheet
363On Order
Min.: 1
Mult.: 1

SMD/SMT QFN-20 PIC16 7 kB 8 bit 10 bit 32 MHz 18 I/O 512 B 2.3 V 5.5 V - 40 C + 125 C AEC-Q100 Tube

Microchip Technology 8-bit Microcontrollers - MCU 14KB FL 1KBRAM 32MHz 12I/0 Enhanced XLP
Datasheet
453Expected 8/26/2026
Min.: 1
Mult.: 1

SMD/SMT QFN-20 PIC16 14 kB 8 bit 10 bit 32 MHz 18 I/O 1 kB 2.3 V 3.6 V - 40 C + 85 C Tube

Silicon Labs 8-bit Microcontrollers - MCU 8kB/768B RAM, QFN20 OTP available (T631-GM)
Datasheet
1,500Expected 10/16/2026
MouseReel Available
Min.: 1
Mult.: 1
: 1,500

SMD/SMT QFN-20 8051 8 kB 8 bit No ADC 25 MHz 17 I/O 768 B 2.7 V 3.6 V - 40 C + 85 C Reel, Cut Tape, MouseReel

STMicroelectronics 8-bit Microcontrollers - MCU Access line, 16 MHz STM8S 8-bit 8 Kbyte
Datasheet
2,995Expected 11/30/2026
MouseReel Available
Min.: 1
Mult.: 1
: 3,000

SMD/SMT QFN-20 STM8 8 kB 8 bit 10 bit 16 MHz 16 I/O 1 kB 2.95 V 5.5 V - 40 C + 85 C Reel, Cut Tape, MouseReel
Microchip Technology 8-bit Microcontrollers - MCU AVR 2KB FLSH 128B EE USI ADC 20MHz 125C
Datasheet
Lead-Time 10 Weeks
Min.: 1
Mult.: 1

SMD/SMT QFN-20 AVR 2 kB 8 bit 10 bit 20 MHz 12 I/O 128 B 1.8 V 5.5 V - 40 C + 125 C Tray
Microchip Technology 16-bit Microcontrollers - MCU 8KB Flash 1KB RAM 16-bit PIC24F Family
Datasheet
Non-Stocked Lead-Time 8 Weeks
Min.: 3,300
Mult.: 3,300
: 3,300

SMD/SMT QFN-20 PIC24F 8 kB 16 bit 10 bit 32 MHz 18 I/O 1.5 kB 1.8 V 3.6 V - 40 C + 85 C AEC-Q100 Reel

Microchip Technology 8-bit Microcontrollers - MCU 14KB Fl 1kB R 48MHz Int. Oc 18 I0
Datasheet
Non-Stocked Lead-Time 7 Weeks
Min.: 3,300
Mult.: 3,300
: 3,300

SMD/SMT QFN-20 PIC16 8 bit 48 MHz 1 kB 2.5 V 5.5 V Reel

Microchip Technology 8-bit Microcontrollers - MCU 3.5KB Flash 128B RAM 18I/O 10bit ADC
Datasheet
Non-Stocked Lead-Time 7 Weeks
Min.: 546
Mult.: 91

SMD/SMT QFN-20 PIC16 2 kB 8 bit 10 bit 20 MHz 18 I/O 128 B 2.5 V 5.5 V - 40 C + 125 C Tube

Microchip Technology 8-bit Microcontrollers - MCU 3.5KB Flash 128B RAM 18I/O 10bit ADC
Datasheet
Non-Stocked Lead-Time 8 Weeks
Min.: 3,300
Mult.: 3,300
: 3,300

SMD/SMT QFN-20 PIC16 3.5 kB 8 bit 10 bit 20 MHz 18 I/O 128 B 2.5 V 5.5 V - 40 C + 85 C Reel
Microchip Technology 8-bit Microcontrollers - MCU 8 Bit MCU, 7KB Flash 512 RAM, 10bit ADC
Datasheet
Non-Stocked Lead-Time 9 Weeks
Min.: 3,300
Mult.: 3,300
: 3,300

SMD/SMT QFN-20 PIC16 Reel
Microchip Technology 8-bit Microcontrollers - MCU 2K Word Flash, 256B RAM, 10-bit ADC
Datasheet
Non-Stocked Lead-Time 9 Weeks
Min.: 1
Mult.: 1

SMD/SMT QFN-20 PIC16 3.75 kB 8 bit 10 bit 32 MHz 18 I/O 256 B 2.3 V 5.5 V - 40 C + 125 C AEC-Q100 Tube
Microchip Technology 8-bit Microcontrollers - MCU 2K Word Flash, 256B RAM, 10-bit ADC
Datasheet
Non-Stocked Lead-Time 9 Weeks
Min.: 637
Mult.: 91

SMD/SMT QFN-20 PIC16 3.75 kB 8 bit 10 bit 32 MHz 18 I/O 256 B 2.3 V 5.5 V - 40 C + 85 C AEC-Q100 Tube
Microchip Technology 8-bit Microcontrollers - MCU 8K Word Flash 1024B RAM,10-bit ADC
Datasheet
Non-Stocked Lead-Time 10 Weeks
Min.: 3,300
Mult.: 3,300
: 3,300

SMD/SMT QFN-20 PIC16 14 kB 8 bit 10 bit 32 MHz 1 kB 2.3 V 5.5 V - 40 C + 85 C AEC-Q100 Reel
Microchip Technology 8-bit Microcontrollers - MCU 8-Bit MCU 14KB Flash 1KB RAM 10bit DAC
Datasheet
Non-Stocked Lead-Time 9 Weeks
Min.: 3,300
Mult.: 3,300
: 3,300

SMD/SMT QFN-20 PIC16 AEC-Q100 Reel
Microchip Technology 8-bit Microcontrollers - MCU 7 KB Flash 256b RAM 32 MHz Int. Osc
Datasheet
Non-Stocked Lead-Time 8 Weeks
Min.: 455
Mult.: 91

SMD/SMT QFN-20 PIC16 7 kB 8 bit 10 bit 32 MHz 18 I/O 256 B 2.3 V 5.5 V - 40 C + 125 C Tube