Silicon Labs Microcontrollers - MCU

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Description Datasheet Availability Pricing (EUR) 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 5 Volt 8051 50 Mhz 16 kB flash 0.5 kB RAM 9 GPIO BB5 8-bit MCU
Datasheet
48In Stock
Min.: 1
Mult.: 1

SMD/SMT QFN-12 16 kB 8 bit 12 bit 50 MHz 9 I/O 512 B 1.8 V 5.5 V - 40 C + 125 C Cut Tape
Silicon Labs 8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 0.5 kB RAM 12 GPIO BB5 8-bit MCU
Datasheet
109In Stock
Min.: 1
Mult.: 1

SMD/SMT QFN-16 16 kB 8 bit 12 bit 50 MHz 12 I/O 512 B 1.8 V 5.5 V - 40 C + 125 C Cut Tape
Silicon Labs 8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 4 kB flash 0.5 kB RAM 9 GPIO BB5 8-bit MCU
Datasheet
130In Stock
Min.: 1
Mult.: 1

SMD/SMT QFN-12 4 kB 8 bit 12 bit 50 MHz 9 I/O 512 B 1.8 V 5.5 V - 40 C + 85 C Cut Tape
Silicon Labs 8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 4 kB flash 0.5 kB RAM 12 GPIO BB5 8-bit MCU
Datasheet
180In Stock
Min.: 1
Mult.: 1

SMD/SMT QFN-16 4 kB 8 bit 12 bit 50 MHz 12 I/O 512 B 1.8 V 5.5 V - 40 C + 85 C Cut Tape
Silicon Labs ARM Microcontrollers - MCU ARM Cortex-M33 32-bit 80 MHz 512 kB AES MCU
Datasheet
2In Stock
2,450Expected 20/04/2026
Min.: 1
Mult.: 1

SMD/SMT QFN-48 ARM Cortex M33 512 kB 32 bit 12 bit/16 bit/20 bit 80 MHz 32 I/O 64 kB 1.71 V 3.8 V - 40 C + 125 C Tray
Silicon Labs 8-bit Microcontrollers - MCU 8051 50 MHz 128 kB 5 V CAN LIN 8-bit MCU
Datasheet
1,005In Stock
Min.: 1
Mult.: 1

SMD/SMT QFP-32 8051 128 kB 8 bit 12 bit 50 MHz 25 I/O 8.25 kB 1.8 V 5.25 V - 40 C + 125 C AEC-Q100 Tray
Silicon Labs 8-bit Microcontrollers - MCU 8051 50 MHz 128 kB 5 V 8-bit MCU
Datasheet
558In Stock
Min.: 1
Mult.: 1

SMD/SMT QFP-32 8051 128 kB 8 bit 12 bit 50 MHz 25 I/O 8.25 kB 1.8 V 5.25 V - 40 C + 125 C AEC-Q100 Tray

Silicon Labs 8-bit Microcontrollers - MCU 8051 25 MHz 32 kB 8-bit MCU
Datasheet
27In Stock
800Expected 20/04/2026
Min.: 1
Mult.: 1

SMD/SMT TQFP-64 8051 32 kB 8 bit 12 bit 25 MHz 32 I/O 2.25 kB 2.7 V 3.6 V - 40 C + 85 C Tray

Silicon Labs 8-bit Microcontrollers - MCU 8051 25 MHz 2 kB LFO 8-bit MCU
Datasheet
47In Stock
Min.: 1
Mult.: 1

SMD/SMT QFN-20 8051 2 kB 8 bit 10 bit 25 MHz 17 I/O 768 B 2.7 V 3.6 V - 40 C + 85 C Tube

Silicon Labs 8-bit Microcontrollers - MCU 8kB/512B RAM, ADC, QFN20
Datasheet
93In Stock
Min.: 1
Mult.: 1

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 + 125 C Tube
Silicon Labs 8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU
Datasheet
1,610In Stock
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 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU
Datasheet
2,786In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1,500

SMD/SMT QFN-28 CIP-51 8051 16 kB 8 bit 12 bit 50 MHz 22 I/O 2.3 kB 2.2 V 3.6 V - 40 C + 85 C Reel, Cut Tape, MouseReel
Silicon Labs 8-bit Microcontrollers - MCU 8051 25 MHz 16 kB flash 2 kB RAM 8-bit Universal Bee MCU
Datasheet
475In Stock
Min.: 1
Mult.: 1

SMD/SMT QFN-28 CIP-51 8051 16 kB 8 bit 12 bit 50 MHz 22 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 8 kB flash 2 kB RAM 8-bit Universal Bee MCU
Datasheet
777In Stock
2,520Expected 03/03/2026
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 50 MHz 128 kB 5 V 8-bit MCU
Datasheet
274In Stock
Min.: 1
Mult.: 1

SMD/SMT QFN-48 8051 128 kB 8 bit 12 bit 50 MHz 40 I/O 8.25 kB 1.8 V 5.25 V - 40 C + 125 C AEC-Q100 Tube
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
500In Stock
Min.: 1
Mult.: 1

SMD/SMT TSSOP-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
156In 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
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
148In Stock
Min.: 1
Mult.: 1

SMD/SMT TSSOP-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 8 kB flash 1.28 kB RAM 16 GPIO BB5 8-bit MCU
Datasheet
297In Stock
Min.: 1
Mult.: 1

SMD/SMT TSSOP-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 29 GPIO BB5 8-bit MCU
Datasheet
1,597In Stock
Min.: 1
Mult.: 1

SMD/SMT QFN-32 16 kB 12 bit 29I/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
410In Stock
Min.: 1
Mult.: 1

SMD/SMT TSSOP-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 29 GPIO BB5 8-bit MCU
Datasheet
2,500In Stock
Min.: 1
Mult.: 1
Reel: 2,500

SMD/SMT QFN-32 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
6In Stock
Min.: 1
Mult.: 1

SMD/SMT TSSOP-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 32 kB flash 2.304 kB RAM 16 GPIO BB5 8-bit MCU
Datasheet
30In Stock
Min.: 1
Mult.: 1

SMD/SMT QFN-20 32 kB 16 I/O 2.3 kB 1.8 V 5.5 V - 40 C + 125 C Cut Tape