QFN-20 8-bit Microcontrollers - MCU

Results: 260
Select Image Part # Mfr. Description Datasheet Availability Pricing (USD) 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
Silicon Labs 8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU 298In Stock
Cut Tape
$3.33
$2.48
$2.27
$2.04
Reel
$1.73
Min.: 1
Mult.: 1
: 2,500
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 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU 331In Stock
Cut Tape
$1.85
$1.57
$1.38
$1.30
Reel
$0.904
Min.: 1
Mult.: 1
: 2,500
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 151In Stock
$1.08
$0.78
$0.702
$0.618
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 1,016In Stock
7,500On Order
Cut Tape
$0.93
$0.669
$0.604
$0.53
Reel
$0.475
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 194In Stock
$1.14
$0.825
$0.742
$0.654
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 234In Stock
$0.92
$0.733
$0.522
$0.499
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 874In Stock
Cut Tape
$0.961
$0.691
$0.622
$0.547
Reel
$0.454
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 8 kB flash 1.28 kB RAM 16 GPIO BB5 8-bit MCU 294In Stock
$0.99
$0.713
$0.642
$0.564
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

Microchip Technology 8-bit Microcontrollers - MCU 7.1 KB 256 RAM 18I/O 37In Stock
$2.78
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 60In Stock
Cut Tape
$1.52
$1.47
Reel
$1.26
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

Microchip Technology 8-bit Microcontrollers - MCU 7KB FLASH 256B RAM 12In Stock
$1.63
$1.51
$1.37
Min.: 1
Mult.: 1
PIC16 7 kB 256 B QFN-20 20 MHz 10 bit 18 I/O 1.8 V 3.6 V SMD/SMT 8 bit - 40 C + 125 C PIC16(L)F150x Tube

Silicon Labs 8-bit Microcontrollers - MCU 8051 25 MHz 4 kB Flash 0.5 kB RAM 8-bit Busy Bee MCU 218In Stock
$1.22
$0.89
$0.805
$0.712
Min.: 1
Mult.: 1
CIP-51 8051 4 kB 512 B QFN-20 25 MHz 12 bit 16 I/O 2.2 V 3.6 V SMD/SMT 8 bit - 40 C + 85 C EFM8BB1 Tube

Silicon Labs 8-bit Microcontrollers - MCU 8051 25 MHz 8 kB flash 0.5 kB RAM 8-bit Sleepy Bee MCU
17,031On Order
$1.64
$1.22
$1.11
$0.979
Min.: 1
Mult.: 1
CIP-51 8051 8 kB 512 B QFN-20 25 MHz 12 bit 16 I/O 1.8 V 3.6 V SMD/SMT 8 bit - 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
93,467Expected 2027/01/08
Cut Tape
$1.60
$1.17
$1.06
$0.943
Reel
$0.789
Min.: 1
Mult.: 1
: 2,500
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 Reel, Cut Tape, MouseReel
Silicon Labs 8-bit Microcontrollers - MCU 8051 25 MHz 16 kB flash 2 kB RAM 8-bit Universal Bee MCU
49,037On Order
Cut Tape
$2.64
$2.21
$1.94
$1.84
Reel
$1.51
Min.: 1
Mult.: 1
: 2,500
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 Reel, Cut Tape, MouseReel

Silicon Labs 8-bit Microcontrollers - MCU 8kB/768B RAM, 10b ADC, 10b DAC, QFN20 OTP available (T630-GM)
4,063On Order
Cut Tape
$10.51
$8.35
$7.54
$7.04
Reel
$6.32
Min.: 1
Mult.: 1
: 2,500
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 16KBFlash 512byteRAM 256bytesEEPROM
5,061On Order
Cut Tape
$2.35
$2.33
Reel
$1.97
Min.: 1
Mult.: 1
: 3,300
PIC18 16 kB 512 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 Reel, Cut Tape, MouseReel

Silicon Labs 8-bit Microcontrollers - MCU 8051 25 MHz 8 kB flash 0.5 kB RAM 8-bit Busy Bee MCU
2,519Expected 2026/11/20
$1.20
$0.869
$0.787
$0.695
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 + 85 C EFM8BB1 Tube

Silicon Labs 8-bit Microcontrollers - MCU 8051 25 MHz 8 kB flash 0.5 kB RAM 8-bit Busy Bee MCU
7,560Expected 2026/12/25
$1.35
$0.978
$0.885
$0.783
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
9,000On Order
Cut Tape
$0.87
$0.622
$0.521
$0.49
$0.437
Reel
$0.40
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 2kB Flash 0.128kB EEPROM 12 I/O Pins
668Expected 2026/11/10
$2.16
$2.00
$1.97
$1.81
Min.: 1
Mult.: 1
AVR 2 kB 128 B QFN-20 20 MHz 10 bit 12 I/O 2.7 V 5.5 V SMD/SMT 8 bit - 40 C + 85 C ATtiny24 Tray

STMicroelectronics 8-bit Microcontrollers - MCU Access line, 16 MHz STM8S 8-bit 8 Kbyte
2,995Expected 2027/02/26
Cut Tape
$1.80
$1.10
$0.921
$0.699
Reel
$0.454
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 STM8S103F3 Reel, Cut Tape, MouseReel
Microchip Technology 8-bit Microcontrollers - MCU AVR 2KB FLSH 128B EE USI ADC 20MHz 125C Non-Stocked Lead-Time 10 Weeks
$1.26
$1.13
$1.04
Min.: 1
Mult.: 1
AVR 2 kB 128 B QFN-20 20 MHz 10 bit 12 I/O 1.8 V 5.5 V SMD/SMT 8 bit - 40 C + 125 C ATtiny24 Tray

Microchip Technology 8-bit Microcontrollers - MCU 14KB Fl 1kB R 48MHz Int. Oc 18 I0 Non-Stocked Lead-Time 7 Weeks
Reel
$1.84
Min.: 3,300
Mult.: 3,300
: 3,300
PIC16 1 kB QFN-20 48 MHz 2.5 V 5.5 V SMD/SMT 8 bit PIC16(L)F145x Reel

Microchip Technology 8-bit Microcontrollers - MCU 3.5KB Flash 128B RAM 18I/O 10bit ADC Non-Stocked Lead-Time 7 Weeks
$1.23
Min.: 546
Mult.: 91
PIC16 2 kB 128 B QFN-20 20 MHz 10 bit 18 I/O 2.5 V 5.5 V SMD/SMT 8 bit - 40 C + 125 C PIC16(L)F150x Tube