EFM8 8-Bit Microcontrollers (MCUs)

Silicon Labs EFM8 Family offers a wide range of performances. They feature fast processors that allow for complex algorithm implementation and ultra-low power architectures with flexible sleep modes. All EFM8 devices have highly efficient peripherals, low-power consumption, BOM integration, and exquisite analog. The highly flexible digital and analog multiplexing strategy means that you can route nearly every I/O pin "wisely" to simplify PCB routing. Designers can choose peripherals and pinout placement without worrying about pre-set limitations and pin conflicts. The Silicon Labs EFM8 MCUs come with a comprehensive IDE, including sample code and energy-aware monitoring tools. Simplicity Studio platform is your one-stop solution for accessing demos, software examples, datasheets, technical support, and forums.

Results: 37
Select Image Part # Mfr. 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 Package / Case Maximum Clock Frequency ADC Resolution Number of I/Os Supply Voltage - Min Supply Voltage - Max Mounting Style Data Bus Width Minimum Operating Temperature Maximum Operating Temperature Series Packaging

Silicon Labs 8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU 1In Stock
¥373.7
¥275.7
¥250.8
¥224.2
Min.: 1
Mult.: 1
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 + 125 C EFM8BB2 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
179Expected 11/13/2026
¥189.4
¥141.7
¥126.7
¥113.6
Min.: 1
Mult.: 1
16 kB 1.28 kB TSSOP-20 16 I/O 1.8 V 5.5 V SMD/SMT - 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 Non-Stocked Lead-Time 24 Weeks
Reel
¥96.3
¥94
Min.: 2,500
Mult.: 2,500
: 2,500
16 kB 1.28 kB TSSOP-20 16 I/O 1.8 V 5.5 V SMD/SMT - 40 C + 85 C Reel
Silicon Labs 8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 8 kB flash 1.28 kB RAM 16 GPIO BB5 8-bit MCU Non-Stocked Lead-Time 24 Weeks
Cut Tape
¥164.4
¥118.4
¥106.6
¥93.7
Reel
¥77.7
Min.: 1
Mult.: 1
: 2,500
16 kB 1.28 kB QFN-20 16 I/O 1.8 V 5.5 V SMD/SMT - 40 C + 85 C Reel, 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 Non-Stocked Lead-Time 24 Weeks
Reel
¥87.4
¥85.2
Min.: 2,500
Mult.: 2,500
: 2,500
16 kB 1.28 kB TSSOP-20 16 I/O 1.8 V 5.5 V SMD/SMT - 40 C + 85 C Reel
Silicon Labs 8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 8 kB flash 1.28 kB RAM 16 GPIO BB5 8-bit MCU Non-Stocked Lead-Time 24 Weeks
Reel
¥84.9
¥82.9
Min.: 2,500
Mult.: 2,500
: 2,500
16 kB 1.28 kB QFN-20 16 I/O 1.8 V 5.5 V SMD/SMT - 40 C + 85 C Reel
Silicon Labs 8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 8 kB flash 1.28 kB RAM 16 GPIO BB5 8-bit MCU Non-Stocked Lead-Time 24 Weeks
Reel
¥89.9
¥87.5
Min.: 2,500
Mult.: 2,500
: 2,500
16 kB 1.28 kB TSSOP-20 16 I/O 1.8 V 5.5 V SMD/SMT - 40 C + 85 C Reel
Silicon Labs 8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 1.28 kB RAM 16 GPIO BB5 8-bit MCU Non-Stocked Lead-Time 24 Weeks
Cut Tape
¥194.3
¥140.7
¥126.6
¥111.3
Reel
¥92.2
Min.: 1
Mult.: 1
: 2,500
16 kB 1.28 kB TSSOP-20 16 I/O 1.8 V 5.5 V SMD/SMT - 40 C + 85 C Reel, 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 Non-Stocked Lead-Time 24 Weeks
Reel
¥75.2
¥73.4
Min.: 2,500
Mult.: 2,500
: 2,500
16 kB 1.28 kB QFN-32 29 I/O 1.8 V 5.5 V SMD/SMT - 40 C + 85 C Reel
Silicon Labs 8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 1.28 kB RAM 16 GPIO BB5 8-bit MCU Non-Stocked Lead-Time 24 Weeks
Reel
¥89.9
¥87.5
Min.: 2,500
Mult.: 2,500
: 2,500
16 kB 1.28 kB TSSOP-20 16 I/O 1.8 V 5.5 V SMD/SMT - 40 C + 85 C Reel
Silicon Labs 8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 1.28 kB RAM 25 GPIO BB5 8-bit MCU Non-Stocked Lead-Time 24 Weeks
Reel
¥96.3
¥94
Min.: 2,500
Mult.: 2,500
: 2,500
16 kB 1.28 kB TSSOP-28 16 I/O 1.8 V 5.5 V SMD/SMT - 40 C + 85 C Reel
Silicon Labs 8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 8 kB flash 1.28 kB RAM 16 GPIO BB5 8-bit MCU Non-Stocked Lead-Time 24 Weeks
¥179.4
¥129.6
¥116.6
¥102.5
Min.: 1
Mult.: 1
16 kB 1.28 kB QFN-20 16 I/O 1.8 V 5.5 V SMD/SMT - 40 C + 85 C Cut Tape