Silicon Labs 8-bit Microcontrollers - MCU

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Description Datasheet Availability Pricing (JPY) Filter the results in the table by unit price based on your quantity.
Qty. RoHS ECAD Model Core
Program Memory Size
Data RAM Size
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Maximum Clock Frequency
ADC Resolution
Number of I/Os
Supply Voltage - Min
Supply Voltage - Max
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Silicon Labs 8-bit Microcontrollers - MCU 8051 50 MHz 64 kB 5 V CAN LIN 8-bit MCU
Datasheet
548In 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 C8051F502 AEC-Q100 Tube
Silicon Labs 8-bit Microcontrollers - MCU 50 MIPS, 64 kB, 4 kB, CAN2.0, LIN 2.1, SPI, UART, I2C, QFN32
Datasheet
296In Stock
Min.: 1
Mult.: 1
: 1,500

8051 1.8 V 5.25 V 8 bit C8051F502 Reel, Cut Tape
Silicon Labs 8-bit Microcontrollers - MCU 8051 50 MHz 32 kB 5 V CAN LIN 8-bit MCU
Datasheet
323In Stock
1,911Expected 10/2/2026
Min.: 1
Mult.: 1

8051 32 kB 2.25 kB QFN-24 50 MHz 12 bit 18 I/O 1.8 V 5.25 V SMD/SMT 8 bit - 40 C + 125 C C8051F550 AEC-Q100 Tube
Silicon Labs 8-bit Microcontrollers - MCU 8051 50 MHz 32 kB 5 V 8-bit MCU
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 1
Mult.: 1

8051 32 kB 2.25 kB QFN-24 50 MHz 12 bit 18 I/O 1.8 V 5.25 V SMD/SMT 8 bit - 40 C + 125 C C8051F553 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
3,126In Stock
Min.: 1
Mult.: 1

CIP-51 8051 16 kB 2.3 kB QSOP-24 50 MHz 12 bit 21 I/O 2.2 V 3.6 V SMD/SMT 8 bit - 40 C + 125 C EFM8BB2 Tube

Silicon Labs 8-bit Microcontrollers - MCU 8051 25 MHz 64 kB CAN 8-bit MCU
Datasheet
246In Stock
Min.: 1
Mult.: 1
: 250

8051 64 kB 4.25 kB TQFP-100 25 MHz 10 bit 64 I/O 2.7 V 3.6 V SMD/SMT 8 bit - 40 C + 85 C C8051F042 Reel, Cut Tape
Silicon Labs 8-bit Microcontrollers - MCU 64KB,16ADC,CAN,64Pin MCU
Datasheet
2,939In Stock
Min.: 1
Mult.: 1

8051 64 kB 4.25 kB TQFP-64 25 MHz 10 bit, 2 x 16 bit 24 I/O 2.7 V 3.6 V SMD/SMT 8 bit - 40 C + 85 C C8051F061 Tray
Silicon Labs 8-bit Microcontrollers - MCU 100MIPS,128KB,12ADC,100Pin MCU
Datasheet
469In Stock
Min.: 1
Mult.: 1
: 250

8051 128 kB 8.25 kB TQFP-100 100 MHz 8 bit, 12 bit 64 I/O 3 V 3.6 V SMD/SMT 8 bit - 40 C + 85 C C8051F120 Reel, Cut Tape
Silicon Labs 8-bit Microcontrollers - MCU 8051 50 MHz 64 kB 8-bit MCU
Datasheet
5,532In Stock
Min.: 1
Mult.: 1

8051 64 kB 4.25 kB TQFP-48 48 MHz 10 bit 40 I/O 2.7 V 5.25 V SMD/SMT 8 bit - 40 C + 85 C C8051F380 Tray
Silicon Labs 8-bit Microcontrollers - MCU USB-Flash-64k-ADC-TQFP48
Datasheet
8,043In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 500

8051 64 kB 4.25 kB TQFP-48 48 MHz 10 bit 40 I/O 2.7 V 5.25 V SMD/SMT 8 bit - 40 C + 85 C C8051F380 Reel, Cut Tape, MouseReel
Silicon Labs 8-bit Microcontrollers - MCU 8051 50 MHz 64 kB 5 V 8-bit MCU
Datasheet
600In Stock
Min.: 1
Mult.: 1

8051 64 kB 4.25 kB QFN-48 50 MHz 12 bit 40 I/O 1.8 V 5.25 V SMD/SMT 8 bit - 40 C + 125 C C8051F501 AEC-Q100 Tube
Silicon Labs 8-bit Microcontrollers - MCU 50 MIPS, 128 kB, 8 kB, CAN2.0, LIN 2.1, SPI, 2xUART, I2C, QFP48
Datasheet
2,150In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 500

8051 128 kB 8.25 kB TQFP-48 50 MHz 12 bit 40 I/O 1.8 V 5.25 V SMD/SMT 8 bit - 40 C + 125 C C8051F580 Reel, Cut Tape, MouseReel
Silicon Labs 8-bit Microcontrollers - MCU 8051 50 MHz 128 kB 5 V CAN LIN 8-bit MCU
Datasheet
4,694In Stock
Min.: 1
Mult.: 1

8051 128 kB 8.25 kB QFN-32 50 MHz 12 bit 25 I/O 1.8 V 5.25 V SMD/SMT 8 bit - 40 C + 125 C C8051F582 AEC-Q100 Tube

Silicon Labs 8-bit Microcontrollers - MCU 8051 25 MHz 64 kB flash 4 kB RAM 8-bit Sleepy Bee MCU
Datasheet
1,111In Stock
Min.: 1
Mult.: 1

CIP-51 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 EFM8SB Tube

Silicon Labs 8-bit Microcontrollers - MCU 8051 25 MHz 2 kB 8-bit MCU
Datasheet
375In Stock
Min.: 1
Mult.: 1

8051 8 kB 512 B SOIC-16 25 MHz 12 bit 13 I/O 2.2 V 3.6 V SMD/SMT 8 bit - 40 C + 85 C C8051F860 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
3,268In Stock
Min.: 1
Mult.: 1

CIP-51 8051 16 kB 2.3 kB QFN-20 50 MHz 12 bit 16 I/O 2.2 V 3.6 V SMD/SMT 8 bit - 40 C + 125 C EFM8BB2 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

CIP-51 8051 16 kB 2.3 kB QFN-28 50 MHz 12 bit 22 I/O 2.2 V 3.6 V SMD/SMT 8 bit - 40 C + 85 C EFM8BB2 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
2,137In Stock
49,500On Order
MouseReel Available
Min.: 1
Mult.: 1
: 1,500

CIP-51 8051 16 kB 2.25 kB QFN-20 50 MHz 12 bit 13 I/O 2.2 V 3.6 V SMD/SMT 8 bit - 40 C + 85 C EFM8UB 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

CIP-51 8051 16 kB 2.25 kB QFN-28 50 MHz 12 bit 22 I/O 2.2 V 3.6 V SMD/SMT 8 bit - 40 C + 85 C EFM8UB 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 9/22/2026
Min.: 1
Mult.: 1

CIP-51 8051 8 kB 2.25 kB QFN-20 50 MHz 12 bit 13 I/O 2.2 V 3.6 V SMD/SMT 8 bit - 40 C + 85 C EFM8UB Tube
Silicon Labs 8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU
Datasheet
1,498In Stock
Min.: 1
Mult.: 1
: 1,500

CIP-51 8051 16 kB 2.25 kB QFN-20 50 MHz 12 bit 16 I/O 2.2 V 3.6 V SMD/SMT 8 bit - 40 C + 125 C EFM8BB2 AEC-Q100 Reel, Cut Tape
Silicon Labs 8-bit Microcontrollers - MCU 8051 25 MHz 16 kB 8-bit MCU
Datasheet
685In Stock
3,000Expected 11/27/2026
MouseReel Available
Min.: 1
Mult.: 1
: 1,500

8051 16 kB 1.25 kB QFN-28 25 MHz 10 bit 25 I/O 2.7 V 3.6 V SMD/SMT 8 bit - 40 C + 85 C C8051F311 Reel, Cut Tape, MouseReel
Silicon Labs 8-bit Microcontrollers - MCU USB-Flash-16k-ADC-QFN28 OTP available (T321-GM)
Datasheet
188In Stock
1,533Expected 11/27/2026
Min.: 1
Mult.: 1

CIP-51 8051 16 kB 2.3 kB QFN-28 25 MHz 10 bit 21 I/O 2.7 V 3.6 V SMD/SMT 8 bit - 40 C + 85 C C8051F321 Tube
Silicon Labs 8-bit Microcontrollers - MCU 8051 50 MHz 32 kB 8-bit MCU
Datasheet
1,057In Stock
1,533Expected 11/20/2026
Min.: 1
Mult.: 1

8051 32 kB 2.31 kB QFN-28 50 MHz 12 bit 20 I/O 2 V 5.25 V SMD/SMT 8 bit - 40 C + 85 C C8051F411 Tube
Silicon Labs 8-bit Microcontrollers - MCU 8051 50 MHz 32 kB 8-bit MCU
Datasheet
487In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1,500

8051 32 kB 2.25 kB QFN-28 50 MHz 12 bit 20 I/O 2 V 5.25 V SMD/SMT 8 bit - 40 C + 85 C C8051F411 Reel, Cut Tape, MouseReel