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
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Packaging

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

SMD/SMT QFN-32 CIP-51 8051 32 kB 8 bit 10 bit 25 MHz 24 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
63In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 500

SMD/SMT QFP-48 CIP-51 8051 64 kB 8 bit 10 bit 48 MHz 40 I/O 4.25 kB 2.65 V 3.6 V - 40 C + 85 C Reel, Cut Tape, MouseReel
Silicon Labs 8-bit Microcontrollers - MCU 8051 75 MHz 16 kB flash 1.25 kB RAM 8-bit Laser Bee MCU
Datasheet
53In Stock
Min.: 1
Mult.: 1

SMD/SMT QSOP-24 CIP-51 8051 16 kB 8 bit 10 bit/12 bit/14 bit 72 MHz 21 I/O 1.25 kB 2.2 V 3.6 V - 40 C + 105 C Tube
Silicon Labs 8-bit Microcontrollers - MCU 8051 75 MHz 16 kB flash 1.25 kB RAM 8-bit Laser Bee MCU
Datasheet
52In Stock
Min.: 1
Mult.: 1

SMD/SMT QSOP-24 CIP-51 8051 16 kB 8 bit 10 bit/12 bit/14 bit 72 MHz 21 I/O 1.25 kB 2.2 V 3.6 V - 40 C + 105 C Tube
Silicon Labs ARM Microcontrollers - MCU ARM Cortex-M0+ 48 MHz 64 kB flash 32 kB RAM MCU
Datasheet
250In Stock
Min.: 1
Mult.: 1

SMD/SMT QFP-48 ARM Cortex M0+ 64 kB 32 bit 12 bit 48 MHz 34 I/O 32 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
13In Stock
Min.: 1
Mult.: 1

SMD/SMT BGA-152 ARM Cortex M4 2.05 MB 32 bit 12 bit 72 MHz 121 I/O 512 kB 1.8 V 3.8 V - 40 C + 85 C Tray

Silicon Labs 8-bit Microcontrollers - MCU 8051 50 MHz 32 kB flash 2.25 kB RAM 8-bit Busy Bee MCU
Datasheet
475In Stock
Min.: 1
Mult.: 1

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 Tube
Silicon Labs ARM Microcontrollers - MCU ARM Cortex-M3 32-bit 40 MHz 128 kB MCU
Datasheet
165In Stock
Min.: 1
Mult.: 1

SMD/SMT QFN-32 ARM Cortex M3 128 kB 32 bit 12 bit 40 MHz 20 I/O 32 kB 1.85 V 3.8 V - 40 C + 85 C Tray
Silicon Labs 8-bit Microcontrollers - MCU 8051 75 MHz 32 kB flash 2.25 kB RAM 8-bit Laser Bee MCU
Datasheet
12In Stock
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
Silicon Labs 8-bit Microcontrollers - MCU 8051 75 MHz 32 kB flash 2.25 kB RAM 8-bit Laser Bee MCU
Datasheet
257In Stock
Min.: 1
Mult.: 1

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 Tube
Silicon Labs ARM Microcontrollers - MCU 128k Flash, 16k RAM, AES
Datasheet
3,624Expected 10/6/2026
Min.: 1
Mult.: 1

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 Tray

Silicon Labs 8-bit Microcontrollers - MCU 8051 75 MHz 64 kB flash 4.25 kB RAM 8-bit Laser Bee MCU
Datasheet
9,409On Order
Min.: 1
Mult.: 1

SMD/SMT QFP-32 CIP-51 8051 64 kB 8 bit 10 bit/12 bit/14 bit 72 MHz 28 I/O 4.25 kB 2.2 V 3.6 V - 40 C + 105 C Tray
Silicon Labs ARM Microcontrollers - MCU ARM Cortex-M0+ 48 MHz 128 kB flash 32 kB RAM MCU
Datasheet
800Expected 10/16/2026
Min.: 1
Mult.: 1

SMD/SMT QFP-64 ARM Cortex M0+ 128 kB 32 bit 12 bit 48 MHz 50 I/O 32 kB 1.8 V 3.8 V - 40 C + 85 C Tray

Silicon Labs ARM Microcontrollers - MCU ARM Cortex-M4 32-bit 72 MHz 512 kB MCU
Datasheet
1,304Expected 8/28/2026
Min.: 1
Mult.: 1

SMD/SMT QFN-64 ARM Cortex M4 512 kB 32 bit 2 x 12 bit 72 MHz 56 I/O 192 kB 1.8 V 3.8 V - 40 C + 85 C Tray

Silicon Labs ARM Microcontrollers - MCU 1024k Flash, 128k RAM, AES
Datasheet
1,298Expected 8/18/2026
Min.: 1
Mult.: 1

SMD/SMT QFN-64 ARM Cortex M3 1.02 MB 32 bit 12 bit 48 MHz 56 I/O 128 kB 1.98 V 3.8 V - 40 C + 85 C Tray

Silicon Labs 8-bit Microcontrollers - MCU 8051 25 MHz 8 kB flash 0.5 kB RAM 8-bit Busy Bee MCU
Datasheet
4,991Expected 9/8/2026
MouseReel Available
Min.: 1
Mult.: 1
: 2,500

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 Reel, Cut Tape, MouseReel

Silicon Labs 8-bit Microcontrollers - MCU 8KB,24ADC,28Pin MCU
Datasheet
1,528Expected 8/11/2026
Min.: 1
Mult.: 1

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 Tube
Silicon Labs 8-bit Microcontrollers - MCU 8051 50 MHz 16 kB 8-bit MCU
Datasheet
1,862Expected 8/18/2026
Min.: 1
Mult.: 1

SMD/SMT QFN-24 8051 16 kB 8 bit 10 bit 50 MHz 21 I/O 1 kB 1.8 V 3.6 V - 40 C + 105 C Tube

Silicon Labs 8-bit Microcontrollers - MCU 8KB/512B RAM, ADC, SOIC16
Datasheet
3,674Expected 9/8/2026
MouseReel Available
Min.: 1
Mult.: 1
: 2,500

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 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
Datasheet
2,520Expected 10/16/2026
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 + 125 C Tube
Silicon Labs ARM Microcontrollers - MCU Secure Vault High, 512k Flash, 128k RAM, 20-bit ADC, MCU, QFN68
Datasheet
1,275Expected 10/16/2026
Min.: 1
Mult.: 1

SMD/SMT QFN-68 ARM Cortex M33 512 kB 32 bit 12 bit, 16 bit, 20 bit 80 MHz 48 I/O 128 kB 1.71 V 3.8 V - 40 C + 125 C Tray
Silicon Labs ARM Microcontrollers - MCU ARM Cortex-M4 32-bit 40 MHz 1024 kB MCU
Datasheet
1,300Expected 8/11/2026
Min.: 1
Mult.: 1

SMD/SMT QFN-48 ARM Cortex M4 1.02 MB 32 bit 12 bit 40 MHz 33 I/O 256 kB 1.8 V 3.8 V - 40 C + 85 C Tray

Silicon Labs 8-bit Microcontrollers - MCU 25 MIPS, 8 kB, 256, SPI, UART, LIN 2.1, TSSOP20
Datasheet
6,694Expected 1/1/2027
Min.: 1
Mult.: 1

SMD/SMT TSSOP-20 8051 8 kB 8 bit 12 bit 25 MHz 16 I/O 256 B 1.8 V 5.25 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
1In Stock
Min.: 1
Mult.: 1

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 + 125 C Tube
Silicon Labs ARM Microcontrollers - MCU ARM Cortex-M4 32-bit 72 MHz 2048 kB USB LCD MCU
Datasheet
779Expected 8/17/2026
Min.: 1
Mult.: 1

SMD/SMT QFP-64 ARM Cortex M4 2.05 MB 32 bit 12 bit 72 MHz 47 I/O 512 kB 1.8 V 3.8 V - 40 C + 85 C Tray