QFN-32 8-bit Microcontrollers - MCU

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Qty. RoHS ECAD Model Core
Program Memory Size
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Maximum Clock Frequency
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Number of I/Os
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Supply Voltage - Max
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Microchip Technology 8-bit Microcontrollers - MCU 2K Flash;125B EEPROM 128B SRAM;16 IO Pins
Datasheet
1,124In Stock
Min.: 1
Mult.: 1

AVR 2 kB 128 B QFN-32 20 MHz 10 bit 16 I/O 1.8 V 5.5 V SMD/SMT 8 bit - 40 C + 85 C ATtinyx61A Tray
Microchip Technology 8-bit Microcontrollers - MCU 4K Flash 125B EEPROM 128B SRAM 16 IO Pins
Datasheet
184In Stock
1,470Expected 12-08-2026
Min.: 1
Mult.: 1

AVR 4 kB 256 B QFN-32 20 MHz 10 bit 16 I/O 1.8 V 5.5 V SMD/SMT 8 bit - 40 C + 85 C ATtinyx61A Tray
Silicon Labs 8-bit Microcontrollers - MCU USB-Flash-64k-ADC-QFN32 OTP available (T626-GM)
Datasheet
90In Stock
Min.: 1
Mult.: 1
: 1,500

8051 64 kB 4.25 kB QFN-32 48 MHz 10 bit 25 I/O 2.7 V 5.25 V SMD/SMT 8 bit - 40 C + 85 C C8051F381 Reel, Cut Tape
Silicon Labs 8-bit Microcontrollers - MCU 8051 50 MHz 32 kB 8-bit MCU
Datasheet
21In Stock
Min.: 1
Mult.: 1

8051 32 kB 2.25 kB QFN-32 48 MHz 10 bit 25 I/O 2.7 V 5.25 V SMD/SMT 8 bit - 40 C + 85 C C8051F383 Tube

Silicon Labs 8-bit Microcontrollers - MCU 8051 48 MHz 64 kB flash 4 kB RAM 8-bit Universal Bee MCU
Datasheet
163In Stock
Min.: 1
Mult.: 1
: 1,500

CIP-51 8051 64 kB 4.25 kB QFN-32 48 MHz 10 bit 25 I/O 3.3 V 3.3 V SMD/SMT 8 bit - 40 C + 85 C EFM8UB2 Reel, Cut Tape

Silicon Labs 8-bit Microcontrollers - MCU 8051 48 MHz 64 kB flash 4 kB RAM 8-bit Universal Bee MCU
Datasheet
325In Stock
Min.: 1
Mult.: 1

CIP-51 8051 64 kB 4.25 kB QFN-32 48 MHz 10 bit 25 I/O 3.3 V 3.3 V SMD/SMT 8 bit - 40 C + 85 C EFM8UB2 Tube
Infineon Technologies 8-bit Microcontrollers - MCU 2.4-5.25V 8K FLASH 512B LO PWR CAPSENSE
Datasheet
246In Stock
Min.: 1
Mult.: 1

M8C 8 kB 512 B QFN-32 12 MHz No ADC 28 I/O 2.4 V 5.25 V SMD/SMT 8 bit - 40 C + 85 C CY8C20434 Tray

Silicon Labs 8-bit Microcontrollers - MCU 32kB/4kB RAM, 10b ADC, DC-DC, 0.9V, QFN32
Datasheet
63In Stock
Min.: 1
Mult.: 1

8051 32 kB 4.25 kB QFN-32 25 MHz 10 bit 24 I/O 900 mV 3.6 V SMD/SMT 8 bit - 40 C + 85 C Tube

Silicon Labs 8-bit Microcontrollers - MCU 32kB/4kB RAM, 10b ADC, DC-DC, 0.9V, QFN32
Datasheet
1,318In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1,500

8051 32 kB 4.25 kB QFN-32 25 MHz 10 bit 24 I/O 900 mV 3.6 V SMD/SMT 8 bit - 40 C + 85 C Reel, Cut Tape, MouseReel
Silicon Labs 8-bit Microcontrollers - MCU 64kB/4kB RAM, 10b ADC, DC-DC, 0.9V, QFN32
Datasheet
1,278In Stock
Min.: 1
Mult.: 1

8051 64 kB 4.25 kB QFN-32 25 MHz 10 bit 24 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 64 kB flash 4.25 kB RAM 8-bit Busy Bee MCU
Datasheet
1,374In Stock
Min.: 1
Mult.: 1

CIP-51 8051 64 kB 4.35 kB QFN-32 50 MHz 10 bit, 12 bit 29 I/O 2.2 V 3.6 V SMD/SMT 8 bit - 40 C + 125 C Tube
Microchip Technology 8-bit Microcontrollers - MCU AVR 4KB FL 256B EE 512B SRAM 20MHz 105C
Datasheet
18In Stock
Min.: 1
Mult.: 1

AVR 4 kB 512 B QFN-32 20 MHz 10 bit 23 I/O 1.8 V 5.5 V SMD/SMT 8 bit - 40 C + 105 C ATmega48PA Tray
Microchip Technology 8-bit Microcontrollers - MCU AVR 8KB FLSH 512B EE 1KB SRAM-16MHz 105C
Datasheet
246In Stock
Min.: 1
Mult.: 1

AVR 8 kB 1 kB QFN-32 16 MHz 10 bit 23 I/O 2.7 V 5.5 V SMD/SMT 8 bit - 40 C + 85 C ATmega8A Tray
Microchip Technology 8-bit Microcontrollers - MCU AVR 8K FLASH 3PSC BALLAST 16 MHz
Datasheet
267In Stock
Min.: 1
Mult.: 1

AVR 8 kB 512 B QFN-32 16 MHz 10 bit 27 I/O 2.7 V 5.5 V SMD/SMT 8 bit - 40 C + 105 C AT90PWM3B Tray

Microchip Technology 8-bit Microcontrollers - MCU ATMEGA328PB 20MHZ Extd. Temp QFN
Datasheet
789In Stock
980Expected 31-08-2026
Min.: 1
Mult.: 1

AVR 32 kB 2 kB QFN-32 20 MHz 10 bit 27 I/O 1.8 V 5.5 V SMD/SMT 8 bit - 40 C + 105 C ATmega328PB AEC-Q100 Tray
Silicon Labs 8-bit Microcontrollers - MCU 8051 50 MHz 64 kB flash 4.25 kB RAM 8-bit Busy Bee MCU
Datasheet
218In Stock
9,800On Order
Min.: 1
Mult.: 1

CIP-51 8051 64 kB 4.35 kB QFN-32 50 MHz 10 bit, 12 bit 29 I/O 2.2 V 3.6 V SMD/SMT 8 bit - 40 C + 85 C Tray
Silicon Labs 8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 1.28 kB RAM 29 GPIO BB5 8-bit MCU
Datasheet
331In Stock
2,400Expected 04-09-2026
Min.: 1
Mult.: 1

16 kB 1.28 kB QFN-32 12 bit 29I/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 32 kB flash 2.304 kB RAM 29 GPIO BB5 8-bit MCU
Datasheet
1,696In Stock
Min.: 1
Mult.: 1

32 kB 2.25 kB QFN-32 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 32 kB flash 2.304 kB RAM 29 GPIO BB5 8-bit MCU
Datasheet
6In Stock
600On Order
Min.: 1
Mult.: 1

16 kB 1.28 kB QFN-32 16 I/O 1.8 V 5.5 V SMD/SMT - 40 C + 85 C Cut Tape
Silicon Labs 8-bit Microcontrollers - MCU
Datasheet
279In Stock
Min.: 1
Mult.: 1

CIP-51 8051 64 kB 4.25 kB QFN-32 72 MHz 10 bit/12 bit/14 bit 29 I/O 2.2 V 3.6 V SMD/SMT 8 bit - 40 C + 105 C EFM8LB1 Tray
Microchip Technology 8-bit Microcontrollers - MCU AVR 16KB FL 512B EE 1KB SRAM 20MHz 105C
Datasheet
10In Stock
Min.: 1
Mult.: 1

AVR 16 kB 1 kB QFN-32 20 MHz 10 bit 23 I/O 1.8 V 5.5 V SMD/SMT 8 bit - 40 C + 105 C ATmega168PA Tray
Microchip Technology 8-bit Microcontrollers - MCU AVR 16K Flash 3PSC, 16MHz
Datasheet
41In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 4,000

AVR 16 kB 1 kB QFN-32 16 MHz 10 bit 27 I/O 2.7 V 5.5 V SMD/SMT 8 bit - 40 C + 105 C AT90PWM316 Reel, Cut Tape, MouseReel
Silicon Labs 8-bit Microcontrollers - MCU 8051 50 MHz 32 kB 5 V CAN LIN 8-bit MCU
Datasheet
6In Stock
Min.: 1
Mult.: 1

8051 32 kB 4.25 kB QFN-32 50 MHz 12 bit 25 I/O 1.8 V 5.25 V SMD/SMT 8 bit - 40 C + 125 C C8051F506 AEC-Q100 Tube
Silicon Labs 8-bit Microcontrollers - MCU 8051 50 MHz 64 kB 5 V 8-bit MCU
Datasheet
44In Stock
Min.: 1
Mult.: 1

8051 64 kB 4.25 kB QFN-32 50 MHz 12 bit 25 I/O 1.8 V 5.25 V SMD/SMT 8 bit - 40 C + 125 C C8051F503 AEC-Q100 Tube

Silicon Labs 8-bit Microcontrollers - MCU 8051 25 MHz 32 kB flash 4 kB RAM 8-bit Sleepy Bee MCU
Datasheet
797In Stock
Min.: 1
Mult.: 1

CIP-51 8051 32 kB 4.25 kB QFN-32 25 MHz 10 bit 24 I/O 1.8 V 3.6 V SMD/SMT 8 bit - 40 C + 85 C EFM8SB Tube