Silicon Labs Microcontrollers - MCU

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Description Datasheet Availability Pricing (JPY) Filter the results in the table by unit price based on your quantity.
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Core
Program Memory Size
Data Bus Width
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Supply Voltage - Max
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Silicon Labs ARM Microcontrollers - MCU 128k Flash, 16k RAM, AES
Datasheet
132In Stock
3,000Expected 10/23/2026
MouseReel Available
Min.: 1
Mult.: 1
: 3,000

SMD/SMT QFN-32 ARM Cortex M3 128 kB 32 bit 12 bit 32 MHz 24 I/O 16 kB 1.98 V 3.8 V - 40 C + 85 C Reel, Cut Tape, MouseReel
Silicon Labs ARM Microcontrollers - MCU 128k Flash, 16k RAM, 4x40 LCD, AES
Datasheet
24In Stock
Min.: 1
Mult.: 1

SMD/SMT LQFP-100 ARM Cortex M3 128 kB 32 bit 12 bit 32 MHz 86 I/O 16 kB 1.98 V 3.8 V - 40 C + 85 C Tray
Silicon Labs ARM Microcontrollers - MCU 1024k Flash, 128k RAM, AES
Datasheet
22In Stock
Min.: 1
Mult.: 1
: 1,000

SMD/SMT LQFP-100 ARM Cortex M3 1.02 MB 32 bit 12 bit 48 MHz 85 I/O 128 kB 1.98 V 3.8 V - 40 C + 85 C Reel, Cut Tape

Silicon Labs ARM Microcontrollers - MCU 1024k Flash, 128k RAM, USB, 8x18 LCD, AES
Datasheet
322In Stock
Min.: 1
Mult.: 1

SMD/SMT QFN-64 ARM Cortex M3 1.02 MB 32 bit 12 bit 48 MHz 52 I/O 128 kB 1.98 V 3.8 V - 40 C + 85 C Tray

Silicon Labs ARM Microcontrollers - MCU Leopard Gecko MCU IC 256KB
Datasheet
57In Stock
2,600Expected 8/21/2026
Min.: 1
Mult.: 1

SMD/SMT QFN-64 ARM Cortex M3 256 kB 32 bit 12 bit 48 MHz 53 I/O 32 kB 1.98 V 3.8 V - 40 C + 85 C Tray

Silicon Labs 8-bit Microcontrollers - MCU 8051 25 MHz 4 kB Flash 0.5 kB RAM 8-bit Busy Bee MCU
Datasheet
218In Stock
Min.: 1
Mult.: 1

SMD/SMT QFN-20 CIP-51 8051 4 kB 8 bit 12 bit 25 MHz 16 I/O 512 B 2.2 V 3.6 V - 40 C + 85 C Tube

Silicon Labs 8-bit Microcontrollers - MCU 8051 25 MHz 8 kB flash 0.5 kB RAM 8-bit Busy Bee MCU
Datasheet
141In Stock
Min.: 1
Mult.: 1

SMD/SMT QFN-20 CIP-51 8051 8 kB 8 bit 12 bit 25 MHz 16 I/O 512 B 2.2 V 3.6 V - 40 C + 85 C Tube

Silicon Labs 8-bit Microcontrollers - MCU 8051 25 MHz 8 kB flash 0.5 kB RAM 8-bit Busy Bee MCU
Datasheet
1,572In Stock
Min.: 1
Mult.: 1

SMD/SMT SOIC-16 CIP-51 8051 8 kB 8 bit 12 bit 25 MHz 13 I/O 512 B 2.2 V 3.6 V - 40 C + 85 C Tube

Silicon Labs 8-bit Microcontrollers - MCU 8051 25 MHz 2 kB flash 0.25 kB RAM 8-bit Sleepy Bee MCU
Datasheet
709In Stock
18,000On Order
MouseReel Available
Min.: 1
Mult.: 1
: 1,500

SMD/SMT QFN-20 CIP-51 8051 2 kB 8 bit 12 bit 25 MHz 16 I/O 256 B 1.8 V 3.6 V - 40 C + 85 C Reel, Cut Tape, MouseReel

Silicon Labs 8-bit Microcontrollers - MCU 8051 25 MHz 4 kB flash 0.5 kB RAM 8-bit Sleepy Bee MCU
Datasheet
23In Stock
Min.: 1
Mult.: 1

SMD/SMT QFN-20 CIP-51 8051 4 kB 8 bit 12 bit 25 MHz 16 I/O 512 B 1.8 V 3.6 V - 40 C + 85 C Tube
Silicon Labs 8-bit Microcontrollers - MCU 8051 25 MHz 8 kB flash 0.5 kB RAM 8-bit Sleepy Bee MCU
Datasheet
31In Stock
3,000Expected 8/4/2026
MouseReel Available
Min.: 1
Mult.: 1
: 1,500

SMD/SMT CIP-51 8051 8 kB 8 bit 12 bit 25 MHz 17 I/O 512 B 1.8 V 3.6 V - 40 C + 85 C Reel, Cut Tape, MouseReel
Silicon Labs 8-bit Microcontrollers - MCU 8KB,24ADC,28Pin MCU
Datasheet
97In Stock
Min.: 1
Mult.: 1
: 1,500

SMD/SMT QFN-28 8051 8 kB 8 bit 24 bit 50 MHz 17 I/O 768 B 2.7 V 3.6 V - 40 C + 85 C Reel, Cut Tape
Silicon Labs 8-bit Microcontrollers - MCU USB-Flash-64k-ADC-QFN32 OTP available (T626-GM)
Datasheet
90In Stock
Min.: 1
Mult.: 1
: 1,500

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

SMD/SMT QFN-32 8051 32 kB 8 bit 10 bit 48 MHz 25 I/O 2.25 kB 2.7 V 5.25 V - 40 C + 85 C Tube
Silicon Labs 8-bit Microcontrollers - MCU 16kB/1kB RAM, 10b ADC, 10b 2xDAC, QFN20
Datasheet
72In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1,500

SMD/SMT QFN-20 8051 16 kB 8 bit 10 bit 50 MHz 17 I/O 1 kB 1.8 V 3.6 V - 40 C + 105 C Reel, Cut Tape, MouseReel

Silicon Labs 8-bit Microcontrollers - MCU 8kB/512B RAM, ADC, QFN20
Datasheet
559In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1,500

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 + 85 C Reel, Cut Tape, MouseReel
Silicon Labs ARM Microcontrollers - MCU ARM Cortex-M33 32-bit 76 MHz 128 kB AES MCU
Datasheet
480In Stock
4,410Expected 8/7/2026
Min.: 1
Mult.: 1

SMD/SMT QFN-40 ARM Cortex M33 128 kB 32 bit 12 bit, 16 bit 76.8 MHz 26 I/O 32 kB 1.71 V 3.8 V - 40 C + 125 C Tray
Silicon Labs ARM Microcontrollers - MCU ARM Cortex-M33 32-bit 76 MHz 256 kB AES MCU
Datasheet
157In Stock
Min.: 1
Mult.: 1
: 2,500

SMD/SMT QFN-32 ARM Cortex M33 256 kB 32 bit 18 I/O 32 kB - 40 C + 125 C Reel, Cut Tape

Silicon Labs ARM Microcontrollers - MCU Tiny Gecko MCU IC
Datasheet
256In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1,000

SMD/SMT QFN-24 ARM Cortex M3 32 kB 32 bit 12 bit 32 MHz 17 I/O 4 kB 1.98 V 3.8 V - 40 C + 85 C Reel, Cut Tape, MouseReel

Silicon Labs ARM Microcontrollers - MCU ARM Cortex -M0+ Zero Gecko Microcontroller IC 32-Bit 24MHz 32KB Flash QFN24
Datasheet
52In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1,000

SMD/SMT QFN-24 ARM Cortex M0+ 32 kB 32 bit 12 bit 24 MHz 17 I/O 4 kB 1.98 V 3.8 V - 40 C + 85 C Reel, Cut Tape, MouseReel

Silicon Labs ARM Microcontrollers - MCU ARM Cortex -M0+ Zero Gecko Microcontroller IC 32-Bit 24MHz 32KB Flash QFN32
Datasheet
101In Stock
Min.: 1
Mult.: 1

SMD/SMT QFN-32 ARM Cortex M0+ 32 kB 32 bit 12 bit 24 MHz 24 I/O 4 kB 1.98 V 3.8 V - 40 C + 85 C Tray

Silicon Labs 8-bit Microcontrollers - MCU 8051 25 MHz 16 kB flash 4 kB RAM 8-bit Sleepy Bee MCU
Datasheet
364In Stock
Min.: 1
Mult.: 1

SMD/SMT QFN-24 CIP-51 8051 16 kB 8 bit 10 bit 25 MHz 16 I/O 4.25 kB 1.8 V 3.6 V - 40 C + 85 C 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

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

SMD/SMT QFN-32 CIP-51 8051 64 kB 8 bit 10 bit 48 MHz 25 I/O 4.25 kB 3.3 V 3.3 V - 40 C + 85 C Tube
Silicon Labs 8-bit Microcontrollers - MCU 8051 25 MHz 8 kB flash 0.5 kB RAM 8-bit Busy Bee MCU
Datasheet
20In Stock
Min.: 1
Mult.: 1

SMD/SMT CIP-51 8051 8 kB 8 bit 12 bit 25 MHz 16 I/O 512 B 2.2 V 3.6 V - 40 C + 125 C AEC-Q100 Tube