QFN-20 8-bit 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 ECAD Model Core
Program Memory Size
Data RAM Size
Package / Case
Maximum Clock Frequency
ADC Resolution
Number of I/Os
Supply Voltage - Min
Supply Voltage - Max
Mounting Style
Data Bus Width
Minimum Operating Temperature
Maximum Operating Temperature
Series
Qualification
Packaging
Nuvoton 8-bit Microcontrollers - MCU 16K Bytes Shared with LDROM 0.4mm Pitch width
Datasheet
648In Stock
Min.: 1
Mult.: 1

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

STM8 8 kB 1.5 kB QFN-20 16 MHz No ADC 18 I/O 1.65 V 3.6 V SMD/SMT 8 bit - 40 C + 85 C STM8L101F3 Reel, Cut Tape, MouseReel

Microchip Technology 8-bit Microcontrollers - MCU 7KB FLASH 256B RAM 18 I/O 10-BIT ADC
Datasheet
152In Stock
Min.: 1
Mult.: 1

PIC16 4 kB 256 B QFN-20 20 MHz 10 bit 18 I/O 2.3 V 5.5 V SMD/SMT 8 bit - 40 C + 85 C PIC16(L)F150x Tube
Microchip Technology 8-bit Microcontrollers - MCU 8 Bit MCU 14KB Flash 1K RAM, 10-bit ADC
Datasheet
808In Stock
Min.: 1
Mult.: 1

PIC16 14 kB 1 kB QFN-20 32 MHz 10 bit 18 I/O 2.5 V 5.5 V SMD/SMT 8 bit - 40 C + 85 C PIC16(L)F161x Tube

Microchip Technology 8-bit Microcontrollers - MCU 4K Wrd Flsh 512B RAM Hi-Spd Comp 10B ADC
Datasheet
461In Stock
Min.: 1
Mult.: 1

PIC16 7 kB 512 B QFN-20 32 MHz 10 bit 18 I/O 2.3 V 5.5 V SMD/SMT 8 bit - 40 C + 85 C PIC16(L)F170x AEC-Q100 Tube

Microchip Technology 8-bit Microcontrollers - MCU 8KBFlash 256bytesRAM 256bytesEEPROM
Datasheet
603In Stock
Min.: 1
Mult.: 1

PIC18 8 kB 256 B QFN-20 64 MHz 10 bit 17 I/O 2.3 V 5.5 V SMD/SMT 8 bit - 40 C + 85 C PIC18(L)F1xK22 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 1/15/2027
Min.: 1
Mult.: 1

CIP-51 8051 16 kB 2.3 kB QFN-20 50 MHz 12 bit 16 I/O 2.2 V 3.6 V SMD/SMT 8 bit - 40 C + 85 C EFM8BB2 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

CIP-51 8051 16 kB 2.25 kB QFN-20 50 MHz 12 bit 13 I/O 2.2 V 3.6 V SMD/SMT 8 bit - 40 C + 85 C EFM8UB Tube
Silicon Labs 8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU
Datasheet
166In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1,500

CIP-51 8051 16 kB 2.25 kB QFN-20 50 MHz 12 bit 16 I/O 2.2 V 3.6 V SMD/SMT 8 bit - 40 C + 125 C EFM8BB2 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

16 kB 1.28 kB QFN-20 16 I/O 1.8 V 5.5 V SMD/SMT - 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
16 kB 1.28 kB QFN-20 16 I/O 1.8 V 5.5 V SMD/SMT - 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

16 kB 1.28 kB QFN-20 16 I/O 1.8 V 5.5 V SMD/SMT - 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
236In Stock
Min.: 1
Mult.: 1

16 kB 1.28 kB QFN-20 16 I/O 1.8 V 5.5 V SMD/SMT - 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

16 kB 1.28 kB QFN-20 16 I/O 1.8 V 5.5 V SMD/SMT - 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

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

16 kB 1.28 kB QFN-20 16 I/O 1.8 V 5.5 V SMD/SMT - 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

CIP-51 8051 16 kB 2.25 kB QFN-20 50 MHz 12 bit 16 I/O 2.2 V 3.6 V SMD/SMT 8 bit - 40 C + 125 C EFM8BB2 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

8051 8 kB 768 B QFN-20 25 MHz 10 bit 17 I/O 2.7 V 3.6 V SMD/SMT 8 bit - 40 C + 85 C C8051F330 Reel, Cut Tape, MouseReel

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

PIC16 7 kB 256 B QFN-20 20 MHz 10 bit 18 I/O 4.5 V 5.5 V SMD/SMT 8 bit - 40 C + 125 C PIC16F685 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

PIC16 7 kB 256 B QFN-20 16 MHz 8 bit 18 I/O 1.8 V 5.5 V SMD/SMT 8 bit - 40 C + 85 C PIC16(L)F72x 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

CIP-51 8051 8 kB 512 B QFN-20 25 MHz 12 bit 16 I/O 2.2 V 3.6 V SMD/SMT 8 bit - 40 C + 125 C EFM8BB1 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

STM8 8 kB 1 kB QFN-20 16 MHz 10 bit 16 I/O 2.95 V 5.5 V SMD/SMT 8 bit - 40 C + 85 C STM8S003F3 Reel, Cut Tape, MouseReel

Microchip Technology 8-bit Microcontrollers - MCU 14KB FL 1KBRAM 32MHz 12I/0 Enhanced XLP
Datasheet
3,143Expected 8/28/2026
MouseReel Available
Min.: 1
Mult.: 1
: 3,300

PIC16 14 kB 1 kB QFN-20 32 MHz 10 bit 18 I/O 2.3 V 3.6 V SMD/SMT 8 bit - 40 C + 85 C PIC16(L)F182x 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

CIP-51 8051 16 kB 2.25 kB QFN-20 50 MHz 12 bit 16 I/O 2.2 V 3.6 V SMD/SMT 8 bit - 40 C + 125 C EFM8BB2 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

8051 8 kB 768 B QFN-20 25 MHz 10 bit 17 I/O 2.7 V 3.6 V SMD/SMT 8 bit - 40 C + 85 C C8051F330 Tube