QFN-20 Microcontrollers - MCU

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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 16kB/1kB RAM, 10b ADC, 10b 2xDAC, QFN20
Datasheet
72In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1,500

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 Reel, Cut Tape, MouseReel

Silicon Labs 8-bit Microcontrollers - MCU 8kB/512B RAM, ADC, QFN20
Datasheet
559In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1,500

SMD/SMT QFN-20 8051 8 kB 8 bit 12 bit 25 MHz 16 I/O 512 B 2.2 V 3.6 V - 40 C + 85 C Reel, Cut Tape, MouseReel

Silicon Labs 8-bit Microcontrollers - MCU 8051 25 MHz 4 kB flash 0.5 kB RAM 8-bit Busy Bee MCU
Datasheet
244In Stock
Min.: 1
Mult.: 1

SMD/SMT QFN-20 CIP-51 8051 4 kB 8 bit 12 bit 25 MHz 16 I/O 512 B 2.2 V 3.6 V - 40 C + 125 C Tube

Microchip Technology 8-bit Microcontrollers - MCU 20MHz, Ind.Grade Grn,AVR,16KFl, USART
Datasheet
151In Stock
Min.: 1
Mult.: 1

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 Tray

Microchip Technology 8-bit Microcontrollers - MCU 2K FLASH 128B EE 128B SRAM 1 UART
Datasheet
1,071In Stock
Min.: 1
Mult.: 1

SMD/SMT QFN-20 AVR 2 kB 8 bit No ADC 20 MHz 18 I/O 128 B 1.8 V 5.5 V - 40 C + 85 C Tray
Microchip Technology 8-bit Microcontrollers - MCU 4KB FLSH 256B EE256B SRAM-20MHz HI, 125C
Datasheet
345In 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 + 125 C Tray

Microchip Technology 8-bit Microcontrollers - MCU AVR 8K FLASH EE
Datasheet
63In Stock
Min.: 1
Mult.: 1

SMD/SMT QFN-20 AVR 8 kB 8 bit 10 bit 16 MHz 12 I/O 512 B 1.7 V 5.5 V - 40 C + 85 C Tray
Nuvoton 8-bit Microcontrollers - MCU 16KB Flash ROM, 1KB SRAM, 1 CHs of SPI,1T/8051
Datasheet
980In Stock
Min.: 1
Mult.: 1

SMD/SMT QFN-20 8051 16 kB 8 bit 12 bit 24 MHz 17 I/O 1 kB 1.8 V 5.5 V - 40 C + 105 C Tray
Nuvoton 8-bit Microcontrollers - MCU 16K Bytes Shared with LDROM 0.4mm Pitch width
Datasheet
658In Stock
Min.: 1
Mult.: 1

SMD/SMT QFN-20 8051 16 kB 8 bit 12 bit 24 MHz 18 I/O 1 kB 2.4 V 5.5 V - 40 C + 105 C Tray

STMicroelectronics 8-bit Microcontrollers - MCU 8-Bit UL PWR MCU 8Kbytes -40 to 85
Datasheet
78In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3,000

SMD/SMT QFN-20 STM8 8 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 32-bit Microcontrollers - MCU 8KB RAM 79 Power microMIPS
Datasheet
608In Stock
Min.: 1
Mult.: 1

SMD/SMT QFN-20 MIPS32 microAptiv UC 64 kB 32 bit 10 bit/12 bit 25 MHz 16 I/O 8 kB 2 V 3.6 V - 40 C + 85 C AEC-Q100 Tube

Microchip Technology 8-bit Microcontrollers - MCU 7KB FLASH 256B RAM 18 I/O 10-BIT ADC
Datasheet
152In 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 + 85 C Tube
Microchip Technology 8-bit Microcontrollers - MCU 8 Bit MCU 14KB Flash 1K RAM, 10-bit ADC
Datasheet
808In Stock
Min.: 1
Mult.: 1

SMD/SMT QFN-20 PIC16 14 kB 8 bit 10 bit 32 MHz 18 I/O 1 kB 2.5 V 5.5 V - 40 C + 85 C Tube

Microchip Technology 8-bit Microcontrollers - MCU 4K Wrd Flsh 512B RAM Hi-Spd Comp 10B ADC
Datasheet
461In Stock
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 + 85 C AEC-Q100 Tube
Microchip Technology 16-bit Microcontrollers - MCU 16KB FLASH 1KB RAM 512B 3V 10-BIT ADC
Datasheet
36In Stock
3,300Expected 10/20/2026
MouseReel Available
Min.: 1
Mult.: 1
: 3,300

SMD/SMT QFN-20 PIC24F 16 kB 16 bit 10 bit 32 MHz 18 I/O 1 kB 1.8 V 3.6 V - 40 C + 85 C AEC-Q100 Reel, Cut Tape, MouseReel
Microchip Technology 16-bit Microcontrollers - MCU 16KB FLASH 1KB RAM 3V 10-BIT ADC
Datasheet
409In Stock
Min.: 1
Mult.: 1

SMD/SMT QFN-20 PIC24F 16 kB 16 bit 10 bit 32 MHz 18 I/O 1 kB 1.8 V 3.6 V - 40 C + 85 C AEC-Q100 Tube
Silicon Labs 8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU
Datasheet
278In Stock
2,520Expected 2/19/2027
Min.: 1
Mult.: 1

SMD/SMT QFN-20 CIP-51 8051 16 kB 8 bit 12 bit 50 MHz 16 I/O 2.3 kB 2.2 V 3.6 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
281In Stock
Min.: 1
Mult.: 1

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 Tube
Silicon Labs 8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU
Datasheet
179In Stock
MouseReel Available
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 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
151In 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 5 Volt 8051 50 Mhz 16 kB flash 1.28 kB RAM 16 GPIO BB5 8-bit MCU
Datasheet
1,060In Stock
7,500Expected 1/4/2027
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
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
194In 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 5 Volt 8051 50 Mhz 16 kB flash 1.28 kB RAM 16 GPIO BB5 8-bit MCU
Datasheet
246In 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 5 Volt 8051 50 Mhz 16 kB flash 1.28 kB RAM 16 GPIO BB5 8-bit MCU
Datasheet
2,499In 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
Silicon Labs 8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 32 kB flash 2.304 kB RAM 16 GPIO BB5 8-bit MCU
Datasheet
2,189In 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