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 8051 25 MHz 2 kB flash 0.25 kB RAM 8-bit Sleepy Bee MCU
Datasheet
9,635In Stock
9,000Expected 8/14/2026
MouseReel Available
Min.: 1
Mult.: 1
: 1,500

SMD/SMT QFN-20 CIP-51 8051 2 kB 8 bit 12 bit 25 MHz 16 I/O 256 B 1.8 V 3.6 V - 40 C + 85 C Reel, Cut Tape, MouseReel

Silicon Labs 8-bit Microcontrollers - MCU 8051 25 MHz 8 kB flash 0.5 kB RAM 8-bit Sleepy Bee MCU
Datasheet
4,233In Stock
Min.: 1
Mult.: 1

SMD/SMT QFN-20 CIP-51 8051 8 kB 8 bit 12 bit 25 MHz 16 I/O 512 B 1.8 V 3.6 V - 40 C + 85 C Tube

Silicon Labs 8-bit Microcontrollers - MCU 8051 25 MHz 8 kB flash 0.5 kB RAM 8-bit Sleepy Bee MCU
Datasheet
8,908In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1,500

SMD/SMT QFN-20 CIP-51 8051 8 kB 8 bit 12 bit 25 MHz 16 I/O 512 B 1.8 V 3.6 V - 40 C + 85 C Reel, Cut Tape, MouseReel

Silicon Labs 8-bit Microcontrollers - MCU 8051 50 MHz 16 kB LFO 8-bit MCU
Datasheet
2,037In Stock
Min.: 1
Mult.: 1

SMD/SMT QFN-20 8051 16 kB 8 bit 10 bit 50 MHz 17 I/O 1 kB 1.8 V 3.6 V - 40 C + 105 C Tube
Microchip Technology 8-bit Microcontrollers - MCU 7KB, 512 B RAM, 4xPWMs, Comparator, DAC, ADC, CWG, 2xEUSART, SPI/I2C
Datasheet
612In Stock
Min.: 1
Mult.: 1

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

Microchip Technology 8-bit Microcontrollers - MCU 20MHz, Ind.Grade Grn,AVR,16KFl, USART
Datasheet
6,107In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 6,000

SMD/SMT QFN-20 AVR 16 kB 8 bit 10 bit 12 MHz 18 I/O 1 kB 1.8 V 5.5 V - 40 C + 85 C Reel, Cut Tape, MouseReel

Microchip Technology 8-bit Microcontrollers - MCU AVR 4K FLASH 256B EE & SRAM USI ADC 5V
Datasheet
623In Stock
Min.: 1
Mult.: 1

SMD/SMT QFN-20 AVR 4 kB 8 bit 10 bit 20 MHz 12 I/O 256 B 2.7 V 5.5 V - 40 C + 85 C Tray
Microchip Technology 8-bit Microcontrollers - MCU 1.8V, 20MHz Industrial Temp
Datasheet
571In Stock
Min.: 1
Mult.: 1

SMD/SMT QFN-20 AVR 4 kB 8 bit 10 bit 20 MHz 12 I/O 256 B 1.8 V 5.5 V - 40 C + 85 C Tray

STMicroelectronics 8-bit Microcontrollers - MCU 8-bit Ultralow MCU 2kb UFQFPN 20 pin
Datasheet
2,330In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3,000

SMD/SMT QFN-20 STM8 2 kB 8 bit No ADC 16 MHz 18 I/O 1.5 kB 1.65 V 3.6 V - 40 C + 85 C Reel, Cut Tape, MouseReel
Microchip Technology 8-bit Microcontrollers - MCU 20MHz, 8KB, VQFN20, Ind 125C, Green, T&R
Datasheet
9,592In Stock
Min.: 1
Mult.: 1
: 6,000

SMD/SMT QFN-20 AVR 8 kB 8 bit 10 bit 16 MHz 18 I/O 512 B 2.7 V 5.5 V - 40 C + 125 C Reel, Cut Tape
Microchip Technology 8-bit Microcontrollers - MCU 20MHz, 8KB, VQFN20, Ind 105C, Green, T&R
Datasheet
14,055In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 6,000

SMD/SMT QFN-20 AVR 8 kB 8 bit 10 bit 20 MHz 18 I/O 512 B 1.8 V 5.5 V - 40 C + 105 C Reel, Cut Tape, MouseReel

Microchip Technology 8-bit Microcontrollers - MCU 4K Wrd Flsh 512B RAM Hi-Spd Comp 10B ADC
Datasheet
1,098In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3,300

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 + 85 C AEC-Q100 Reel, Cut Tape, MouseReel

Microchip Technology 8-bit Microcontrollers - MCU 14KB FL 1KBRAM 32MHz 18I/0 Enhanced Mid
Datasheet
6,436In Stock
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 5.5 V - 40 C + 85 C Tube

Microchip Technology 8-bit Microcontrollers - MCU 14KB FL 1KBRAM 32MHz 18I/0 Enhanced Mid
Datasheet
6,706In Stock
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 5.5 V - 40 C + 85 C Reel, Cut Tape, MouseReel

Microchip Technology 8-bit Microcontrollers - MCU 7.1 KB 256 RAM 18I/O
Datasheet
525In 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 + 85 C Tube
Silicon Labs 8-bit Microcontrollers - MCU 8051 25 MHz 16 kB flash 2 kB RAM 8-bit Universal Bee MCU
Datasheet
1,394In Stock
49,500On Order
MouseReel Available
Min.: 1
Mult.: 1
: 1,500

SMD/SMT QFN-20 CIP-51 8051 16 kB 8 bit 12 bit 50 MHz 13 I/O 2.25 kB 2.2 V 3.6 V - 40 C + 85 C Reel, Cut Tape, MouseReel

Silicon Labs 8-bit Microcontrollers - MCU 8051 25 MHz 8 kB flash 2 kB RAM 8-bit Universal Bee MCU
Datasheet
2,547In Stock
5,040Expected 9/11/2026
Min.: 1
Mult.: 1

SMD/SMT QFN-20 CIP-51 8051 8 kB 8 bit 12 bit 50 MHz 13 I/O 2.25 kB 2.2 V 3.6 V - 40 C + 85 C Tube

Silicon Labs 8-bit Microcontrollers - MCU 8051 25 MHz 16 kB LFO 8-bit MCU
Datasheet
1,458In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1,500

SMD/SMT QFN-20 8051 16 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
Silicon Labs 8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 1.28 kB RAM 16 GPIO BB5 8-bit MCU
Datasheet
12,398In Stock
Min.: 1
Mult.: 1
: 2,500
SMD/SMT QFN-20 16 kB 16 I/O 1.28 kB 1.8 V 5.5 V - 40 C + 85 C Reel, Cut Tape
Microchip Technology 8-bit Microcontrollers - MCU 14KB Flash, 128EE, 1KB RAM, 10b ADC, PWM, CCP, HLT, WDT, PPS, EUSART, SPI/I2C
Datasheet
878In Stock
Min.: 1
Mult.: 1

SMD/SMT QFN-20 PIC16 14 kB 8 bit 10 bit 32 MHz 18 I/O 1 kB 1.8 V 5.5 V - 40 C + 85 C Tube
Microchip Technology 8-bit Microcontrollers - MCU 20MHz, Ind Temp 1.8-5.5V, Green
Datasheet
1,207In Stock
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 + 85 C Tray

Microchip Technology 8-bit Microcontrollers - MCU 14KB Fl 1kB R 48MHz Int. Oc 18 I0
Datasheet
339In Stock
Min.: 1
Mult.: 1

SMD/SMT QFN-20 PIC16 14 kB 8 bit 10 bit 48 MHz 17 I/O 1 kB 2.3 V 5.5 V - 40 C + 85 C Tube

Microchip Technology 8-bit Microcontrollers - MCU 3.5KB Flash 128B RAM 18I/O 10bit ADC
Datasheet
82In Stock
Min.: 1
Mult.: 1

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 Tube

Microchip Technology 8-bit Microcontrollers - MCU 7KB FLASH 256B RAM 18 I/O 10-BIT ADC
Datasheet
190In Stock
Min.: 1
Mult.: 1

SMD/SMT QFN-20 PIC16 4 kB 8 bit 10 bit 20 MHz 18 I/O 256 B 2.3 V 5.5 V - 40 C + 125 C Tube

Microchip Technology 8-bit Microcontrollers - MCU 7KB FLASH 256B RAM 18 I/O 10-BIT ADC 3V
Datasheet
778In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3,300

SMD/SMT QFN-20 PIC16 4 kB 8 bit 10 bit 20 MHz 18 I/O 256 B 2.3 V 5.5 V - 40 C + 125 C Reel, Cut Tape, MouseReel