Silicon Labs Microcontrollers - MCU

Results: 1,338
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Description Datasheet Availability Pricing (JPY) 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 8051 25 MHz 2 kB 8-bit MCU
Datasheet
375In Stock
Min.: 1
Mult.: 1

SMD/SMT SOIC-16 8051 8 kB 8 bit 12 bit 25 MHz 13 I/O 512 B 2.2 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
2,666In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 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 8 kB flash 0.5 kB RAM 8-bit Sleepy Bee MCU
Datasheet
3,480In Stock
12,500On Order
MouseReel Available
Min.: 1
Mult.: 1
: 2,500

SMD/SMT CSP-16 CIP-51 8051 8 kB 8 bit 12 bit 25 MHz 13 I/O 256 B 3.6 V 2.2 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
4,493In Stock
Min.: 1
Mult.: 1
: 1,500

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 Reel, Cut Tape

Silicon Labs 8-bit Microcontrollers - MCU 8051 25 MHz 8 kB flash 2 kB RAM 8-bit Universal Bee MCU
Datasheet
2,547In Stock
5,040Expected 1/8/2027
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 ARM Microcontrollers - MCU ARM Cortex-M4 32-bit 72 MHz 2048 kB MCU
Datasheet
411In Stock
800Expected 9/4/2026
Min.: 1
Mult.: 1

SMD/SMT QFP-64 ARM Cortex M4 2.05 MB 32 bit 12 bit 72 MHz 53 I/O 512 kB 1.8 V 3.8 V - 40 C + 85 C Tray
Silicon Labs ARM Microcontrollers - MCU ARM Cortex-M4 32-bit 72 MHz 2048 kB USB LCD MCU
Datasheet
218In Stock
Min.: 1
Mult.: 1

SMD/SMT BGA-120 ARM Cortex M4 2.05 MB 32 bit 12 bit 72 MHz 95 I/O 512 kB 1.8 V 3.8 V - 40 C + 85 C Tray
Silicon Labs ARM Microcontrollers - MCU ARM Cortex-M4 32-bit 72 MHz 2048 kB USB LCD MCU
Datasheet
788In Stock
Min.: 1
Mult.: 1

SMD/SMT BGA-192 ARM Cortex M4 2.05 MB 32 bit 12 bit 72 MHz 144 I/O 512 kB 1.8 V 3.8 V - 40 C + 85 C Tray
Silicon Labs ARM Microcontrollers - MCU ARM Cortex-M4 32-bit 72 MHz 2048 kB USB LCD MCU
Datasheet
723In Stock
450Expected 10/9/2026
Min.: 1
Mult.: 1

SMD/SMT QFP-100 ARM Cortex M4 2.05 MB 32 bit 12 bit 72 MHz 80 I/O 512 kB 1.8 V 3.8 V - 40 C + 85 C Tray
Silicon Labs 8-bit Microcontrollers - MCU 8051 25 MHz 16 kB 8-bit MCU
Datasheet
860In Stock
3,000Expected 12/18/2026
MouseReel Available
Min.: 1
Mult.: 1
: 1,500

SMD/SMT QFN-28 8051 16 kB 8 bit 10 bit 25 MHz 25 I/O 1.25 kB 2.7 V 3.6 V - 40 C + 85 C Reel, Cut Tape, MouseReel
Silicon Labs 8-bit Microcontrollers - MCU USB-Flash-16k-ADC-QFN28 OTP available (T321-GM)
Datasheet
208In Stock
1,533Expected 12/4/2026
Min.: 1
Mult.: 1

SMD/SMT QFN-28 CIP-51 8051 16 kB 8 bit 10 bit 25 MHz 21 I/O 2.3 kB 2.7 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
4,177In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2,500

SMD/SMT QFN-32 CIP-51 8051 16 kB 8 bit 10 bit, 12 bit 50 MHz 29 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 50 MHz 32 kB flash 2.25 kB RAM 8-bit Busy Bee MCU
Datasheet
1,520In Stock
Min.: 1
Mult.: 1
: 1,500

SMD/SMT QFN-24 CIP-51 8051 32 kB 8 bit 10 bit, 12 bit 50 MHz 20 I/O 2.3 kB 2.2 V 3.6 V - 40 C + 125 C Reel, Cut Tape

Silicon Labs 8-bit Microcontrollers - MCU 8051 50 MHz 64 kB flash 4.25 kB RAM 8-bit Busy Bee MCU
Datasheet
2,270In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1,500

SMD/SMT QFN-24 CIP-51 8051 64 kB 8 bit 10 bit, 12 bit 50 MHz 20 I/O 4.35 kB 2.2 V 3.6 V - 40 C + 85 C Reel, Cut Tape, MouseReel

Silicon Labs 8-bit Microcontrollers - MCU 8051 50 MHz 64 kB flash 4.25 kB RAM 8-bit Busy Bee MCU
Datasheet
6,387In Stock
Min.: 1
Mult.: 1

SMD/SMT QFN-24 CIP-51 8051 64 kB 8 bit 10 bit, 12 bit 50 MHz 20 I/O 4.35 kB 2.2 V 3.6 V - 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
1,395In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1,500

SMD/SMT QFN-24 CIP-51 8051 64 kB 8 bit 10 bit, 12 bit 50 MHz 20 I/O 4.35 kB 2.2 V 3.6 V - 40 C + 125 C Reel, Cut Tape, MouseReel
Silicon Labs 8-bit Microcontrollers - MCU 8051 50 MHz 64 kB flash 4.25 kB RAM 8-bit Busy Bee MCU
Datasheet
1,599In Stock
Min.: 1
Mult.: 1

SMD/SMT QFN-32 CIP-51 8051 64 kB 8 bit 10 bit, 12 bit 50 MHz 29 I/O 4.35 kB 2.2 V 3.6 V - 40 C + 125 C Tray
Silicon Labs ARM Microcontrollers - MCU ARM Cortex-M0+ 48 MHz 128 kB flash 32 kB RAM MCU
Datasheet
860In Stock
Min.: 1
Mult.: 1
: 1,000

SMD/SMT QFP-48 ARM Cortex M0+ 128 kB 32 bit 12 bit 48 MHz 37 I/O 32 kB 1.8 V 3.8 V - 40 C + 85 C Reel, Cut Tape
Silicon Labs ARM Microcontrollers - MCU Tiny Gecko MCU IC
Datasheet
3,138In Stock
Min.: 1
Mult.: 1

SMD/SMT TQFP-48 ARM Cortex M3 32 kB 32 bit 12 bit 32 MHz 37 I/O 4 kB 1.98 V 3.8 V - 40 C + 85 C Tray
Silicon Labs ARM Microcontrollers - MCU ARM Cortex-M0+ 48 MHz 64 kB flash 32 kB RAM MCU
Datasheet
1,021In Stock
Min.: 1
Mult.: 1

SMD/SMT QFP-48 ARM Cortex M0+ 64 kB 32 bit 12 bit 48 MHz 37 I/O 32 kB 1.8 V 3.8 V - 40 C + 85 C Tray
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
14,898In 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 ARM Microcontrollers - MCU ARM Cortex-M3 32-bit 40 MHz 128 kB MCU
Datasheet
1,102In Stock
Min.: 1
Mult.: 1

SMD/SMT QFN-48 ARM Cortex M3 128 kB 32 bit 12 bit 40 MHz 32 I/O 32 kB 1.85 V 3.8 V - 40 C + 85 C Tray
Silicon Labs 8-bit Microcontrollers - MCU
Datasheet
1,500In Stock
Min.: 1
Mult.: 1
: 1,500

SMD/SMT QFN-24 CIP-51 8051 16 kB 8 bit 10 bit/12 bit/14 bit 72 MHz 20 I/O 1.25 kB 2.2 V 3.6 V - 40 C + 105 C Reel, Cut Tape
Silicon Labs 8-bit Microcontrollers - MCU 8051 75 MHz 32 kB flash 2.25 kB RAM 8-bit Laser Bee MCU
Datasheet
980In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1,500

SMD/SMT QFN-24 CIP-51 8051 32 kB 8 bit 10 bit/12 bit/14 bit 72 MHz 20 I/O 2.25 kB 2.2 V 3.6 V - 40 C + 105 C Reel, Cut Tape, MouseReel
Silicon Labs 8-bit Microcontrollers - MCU 8051 75 MHz 64 kB flash 4.25 kB RAM 8-bit Laser Bee MCU
Datasheet
4,091In Stock
Min.: 1
Mult.: 1
: 1,500

SMD/SMT QFN-24 CIP-51 8051 64 kB 8 bit 10 bit/12 bit/14 bit 72 MHz 20 I/O 4.25 kB 2.2 V 3.6 V - 40 C + 105 C Reel, Cut Tape