EFM8BB51 & EFM8BB52 Busy Bee 8-bit MCUs

Silicon Labs  EFM8BB51 and EFM8BB52 Busy Bee MCUs are multi-purpose microcontrollers with a comprehensive  feature set in compact packages. These devices offer high value by integrating advanced analogue and communication peripherals  into a small footprint, making them ideal for space-constrained applications.  With an efficient 8051 core, 5V capable I/O, precision analogue and enhanced pulse-width modulation, the EFM8BB51 and EFM8BB52 MCUs are optimal for embedded applications.

Results: 49
Select Image Part # Mfr. Description Datasheet Availability Pricing (SEK) 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 Packaging
Silicon Labs 8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 8 kB flash 1.28 kB RAM 16 GPIO BB5 8-bit MCU 9 875In Stock
Cut Tape
8,69 kr
6,11 kr
5,48 kr
4,79 kr
Reel
3,91 kr
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 32 kB flash 2.304 kB RAM 29 GPIO BB5 8-bit MCU 11 275In Stock
Cut Tape
10,02 kr
7,18 kr
6,45 kr
5,68 kr
Reel
4,69 kr
Min.: 1
Mult.: 1
: 2 500
16 kB 1.28 kB QFN-32 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 25 GPIO BB5 8-bit MCU 8 238In Stock
10,30 kr
7,39 kr
6,65 kr
5,84 kr
Min.: 1
Mult.: 1
16 kB 1.28 kB TSSOP-28 25 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 8 kB flash 1.28 kB RAM 16 GPIO BB5 8-bit MCU 166In Stock
9,45 kr
6,75 kr
6,08 kr
5,34 kr
Min.: 1
Mult.: 1
8 kB 1.28 kB TSSOP-20 16 I/O 1.8 V 5.5 V SMD/SMT - 40 C + 125 C Cut Tape
Silicon Labs 8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 1.28 kB RAM 25 GPIO BB5 8-bit MCU 2 435In Stock
Cut Tape
18,90 kr
12,09 kr
10,77 kr
8,84 kr
Reel
5,54 kr
Min.: 1
Mult.: 1
: 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, Cut Tape
Silicon Labs 8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 32 kB flash 2.304 kB RAM 29 GPIO BB5 8-bit MCU 1 683In Stock
16,70 kr
10,68 kr
9,55 kr
8,35 kr
Min.: 1
Mult.: 1
32 kB 2.25 kB QFN-32 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 32 kB flash 2.304 kB RAM 16 GPIO BB5 8-bit MCU Non-Stocked Lead-Time 24 Weeks
Cut Tape
9,74 kr
6,96 kr
6,26 kr
5,51 kr
Reel
4,56 kr
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 16 kB flash 1.28 kB RAM 16 GPIO BB5 8-bit MCU 12 398In Stock
Cut Tape
10,50 kr
8,95 kr
7,85 kr
7,20 kr
Reel
5,09 kr
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 16 kB flash 1.28 kB RAM 16 GPIO BB5 8-bit MCU 1 452In Stock
10,77 kr
9,17 kr
8,07 kr
7,17 kr
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 151In Stock
9,26 kr
7,25 kr
6,45 kr
5,71 kr
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
Silicon Labs 8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 1.28 kB RAM 16 GPIO BB5 8-bit MCU 1 016In Stock
7 500On Order
Cut Tape
8,79 kr
6,32 kr
5,70 kr
5,01 kr
Reel
4,48 kr
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 16 kB flash 1.28 kB RAM 16 GPIO BB5 8-bit MCU 194In Stock
9,45 kr
8,01 kr
5,74 kr
5,50 kr
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
Silicon Labs 8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 1.28 kB RAM 16 GPIO BB5 8-bit MCU 146In Stock
10,77 kr
8,41 kr
7,47 kr
6,71 kr
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 8 kB flash 1.28 kB RAM 16 GPIO BB5 8-bit MCU 297In Stock
9,35 kr
7,22 kr
7,11 kr
5,32 kr
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 234In Stock
8,69 kr
6,92 kr
4,93 kr
4,71 kr
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
Silicon Labs 8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 1.28 kB RAM 29 GPIO BB5 8-bit MCU 1 849In Stock
800On Order
8,88 kr
7,65 kr
6,42 kr
6,12 kr
Min.: 1
Mult.: 1
16 kB 1.28 kB QFN-32 12 bit 29I/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 380In Stock
10,77 kr
9,12 kr
8,00 kr
7,32 kr
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 2 499In Stock
Cut Tape
8,88 kr
7,65 kr
6,71 kr
6,35 kr
Reel
4,62 kr
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 32 kB flash 2.304 kB RAM 16 GPIO BB5 8-bit MCU 2 182In Stock
17,25 kr
11,10 kr
9,83 kr
8,08 kr
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
Silicon Labs 8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 32 kB flash 2.304 kB RAM 29 GPIO BB5 8-bit MCU 606In Stock
11,32 kr
9,64 kr
8,46 kr
7,56 kr
Min.: 1
Mult.: 1
16 kB 1.28 kB QFN-32 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 32 kB flash 2.304 kB RAM 16 GPIO BB5 8-bit MCU 402In Stock
12,09 kr
9,44 kr
8,98 kr
6,78 kr
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 32 kB flash 2.304 kB RAM 25 GPIO BB5 8-bit MCU 76In Stock
13,52 kr
11,54 kr
10,11 kr
7,66 kr
Min.: 1
Mult.: 1
16 kB 1.28 kB TSSOP-28 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 8 kB flash 1.28 kB RAM 16 GPIO BB5 8-bit MCU 294In Stock
10,02 kr
7,19 kr
6,67 kr
4,89 kr
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
Silicon Labs 8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 1.28 kB RAM 29 GPIO BB5 8-bit MCU 1 200In Stock
2 200On Order
9,08 kr
6,33 kr
5,93 kr
4,66 kr
4,54 kr
Min.: 1
Mult.: 1
16 kB 1.28 kB QFN-32 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 32 kB flash 2.304 kB RAM 29 GPIO BB5 8-bit MCU
5 000Expected 2026-10-06
Cut Tape
9,92 kr
7,73 kr
6,86 kr
6,26 kr
Reel
4,76 kr
Min.: 1
Mult.: 1
: 2 500
16 kB 1.28 kB QFN-32 16 I/O 1.8 V 5.5 V SMD/SMT - 40 C + 85 C Reel, Cut Tape