8051 microcontroller 8-bit Microcontrollers - MCU

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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
Qualification
Packaging

Nuvoton 8-bit Microcontrollers - MCU Low Pin Count 8051 Series; 2.4V to 5.5V; -40 to 85
Datasheet
1.227In Stock
5,33 kr.
4,56 kr.
3,89 kr.
3,66 kr.
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Min.: 1
Mult.: 1
8051 18 kB 256 B TSSOP-20 16 MHz 12 bit 18 I/O 2.4 V 5.5 V SMD/SMT 8 bit - 40 C + 105 C Tube

Silicon Labs 8-bit Microcontrollers - MCU 8051 48 MHz 64 kB flash 4 kB RAM 8-bit Universal Bee MCU
Datasheet
284In Stock
23,87 kr.
18,72 kr.
16,56 kr.
15,29 kr.
View
Min.: 1
Mult.: 1
CIP-51 8051 64 kB 4.25 kB QFN-32 48 MHz 10 bit 25 I/O 3.3 V 3.3 V SMD/SMT 8 bit - 40 C + 85 C EFM8UB2 Tube

Silicon Labs 8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU
Datasheet
1.187In Stock
13,50 kr.
11,34 kr.
9,70 kr.
9,18 kr.
View
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 + 85 C EFM8BB2 Tube
Infineon Technologies 8-bit Microcontrollers - MCU 64K Flash 50MHz 8051 1.71V to 5.5V
Datasheet
62In Stock
180Expected 09/11/2026
109,44 kr.
83,18 kr.
79,67 kr.
70,20 kr.
View
Min.: 1
Mult.: 1
8051 64 kB 8 kB TQFP-100 50 MHz 12 bit 72 I/O 1.71 V 5.5 V SMD/SMT 8 bit - 40 C + 85 C CY8C3446 Tray

Silicon Labs 8-bit Microcontrollers - MCU 8051 48 MHz 64 kB flash 4 kB RAM 8-bit Universal Bee MCU
Datasheet
69In Stock
Cut Tape
25,51 kr.
19,02 kr.
17,38 kr.
15,59 kr.
Reel
13,28 kr.
View
Min.: 1
Mult.: 1
: 2.500
CIP-51 8051 64 kB 4.25 kB QFN-32 48 MHz 10 bit 25 I/O 3.3 V 3.3 V SMD/SMT 8 bit - 40 C + 85 C EFM8UB2 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
Datasheet
146In Stock
7,61 kr.
5,57 kr.
5,04 kr.
4,45 kr.
View
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 8051 25 MHz 16 kB flash 2 kB RAM 8-bit Universal Bee MCU
Datasheet
105In Stock
7.500Expected 08/01/2027
Cut Tape
17,38 kr.
14,62 kr.
12,83 kr.
12,16 kr.
View
Reel
10,22 kr.
Min.: 1
Mult.: 1
: 2.500
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 16 kB flash 2 kB RAM 8-bit Universal Bee MCU
Datasheet
164In Stock
16,56 kr.
13,95 kr.
12,16 kr.
11,41 kr.
10,22 kr.
Min.: 1
Mult.: 1
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 Tube
Silicon Labs 8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU
Datasheet
50In Stock
2.520Expected 08/01/2027
10,97 kr.
9,33 kr.
8,13 kr.
6,80 kr.
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 + 85 C EFM8BB2 Tube
Silicon Labs 8-bit Microcontrollers - MCU 8051 25 MHz 16 kB flash 2 kB RAM 8-bit Universal Bee MCU
Datasheet
122In Stock
16,93 kr.
13,35 kr.
11,86 kr.
10,97 kr.
View
Min.: 1
Mult.: 1
CIP-51 8051 16 kB 2.25 kB QSOP-24 50 MHz 12 bit 17 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
8In Stock
15,67 kr.
11,56 kr.
10,52 kr.
9,40 kr.
View
Min.: 1
Mult.: 1
CIP-51 8051 16 kB 2.3 kB QFP-32 50 MHz 10 bit, 12 bit 28 I/O 2.2 V 3.6 V SMD/SMT 8 bit - 40 C + 125 C Tray
Silicon Labs 8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU
Datasheet
298In Stock
Cut Tape
21,34 kr.
15,89 kr.
14,55 kr.
13,06 kr.
Reel
11,12 kr.
View
Min.: 1
Mult.: 1
: 2.500
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 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU
Datasheet
331In Stock
Cut Tape
11,86 kr.
10,07 kr.
8,88 kr.
8,36 kr.
View
Reel
5,80 kr.
MouseReel Available
Min.: 1
Mult.: 1
: 2.500
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 Reel, Cut Tape, MouseReel

Silicon Labs 8-bit Microcontrollers - MCU 8051 75 MHz 32 kB flash 2.25 kB RAM 8-bit Laser Bee MCU
Datasheet
510In Stock
22,23 kr.
16,64 kr.
15,22 kr.
13,58 kr.
View
Min.: 1
Mult.: 1
CIP-51 8051 32 kB 2.25 kB QFP-32 72 MHz 10 bit/12 bit/14 bit 28 I/O 2.2 V 3.6 V SMD/SMT 8 bit - 40 C + 105 C EFM8LB1 Tray
Silicon Labs 8-bit Microcontrollers - MCU 8051 25 MHz 8 kB flash 0.5 kB RAM 8-bit Busy Bee MCU
Datasheet
20In Stock
16,34 kr.
12,16 kr.
11,04 kr.
9,85 kr.
View
Min.: 1
Mult.: 1
CIP-51 8051 8 kB 512 B 25 MHz 12 bit 16 I/O 2.2 V 3.6 V SMD/SMT 8 bit - 40 C + 125 C EFM8BB1 AEC-Q100 Tube
Infineon Technologies 8-bit Microcontrollers - MCU 32K Flash 50MHz 8051 1.71V to 5.5V
Datasheet
134In Stock
79,15 kr.
70,72 kr.
54,68 kr.
54,01 kr.
View
Min.: 1
Mult.: 1
8051 32 kB 4 kB SSOP-48 50 MHz 12 bit 29 I/O 1.71 V 5.5 V SMD/SMT 8 bit - 40 C + 85 C CY8C3445 Tube
Silicon Labs 8-bit Microcontrollers - MCU 8051 50 MHz 64 kB flash 4.25 kB RAM 8-bit Busy Bee MCU
Datasheet
8In Stock
21,41 kr.
15,96 kr.
14,62 kr.
13,06 kr.
12,91 kr.
Min.: 1
Mult.: 1
CIP-51 8051 64 kB 4.35 kB QFP-32 50 MHz 10 bit, 12 bit 28 I/O 2.2 V 3.6 V SMD/SMT 8 bit - 40 C + 125 C Tray
Silicon Labs 8-bit Microcontrollers - MCU 8051 75 MHz 32 kB flash 2.25 kB RAM 8-bit Laser Bee MCU
Datasheet
255In Stock
19,47 kr.
14,47 kr.
13,20 kr.
11,86 kr.
View
Min.: 1
Mult.: 1
CIP-51 8051 32 kB 2.25 kB QFN-24 72 MHz 10 bit/12 bit/14 bit 20 I/O 2.2 V 3.6 V SMD/SMT 8 bit - 40 C + 105 C EFM8LB1 Tube

Infineon Technologies 8-bit Microcontrollers - MCU 64K Flash 50MHz 8051 1.71V to 5.5V
Datasheet
6In Stock
103,62 kr.
81,09 kr.
73,03 kr.
69,01 kr.
View
Min.: 1
Mult.: 1
8051 64 kB 8 kB QFN-68 50 MHz 12 bit 48 I/O 1.71 V 5.5 V SMD/SMT 8 bit - 40 C + 85 C CY8C3446 Tray

Infineon Technologies 8-bit Microcontrollers - MCU 64K Flash 50MHz 8051 1.71V to 5.5V
Datasheet
8In Stock
92,13 kr.
71,54 kr.
64,53 kr.
60,80 kr.
View
Min.: 1
Mult.: 1
8051 64 kB 8 kB QFN-68 50 MHz 12 bit 46 I/O 1.71 V 5.5 V SMD/SMT 8 bit - 40 C + 85 C CY8C3246 Tray
Microchip Technology 8-bit Microcontrollers - MCU 32K FLASH 4.0 TO 5.5V
Datasheet
1.004In Stock
33,20 kr.
30,51 kr.
30,44 kr.
Min.: 1
Mult.: 1
8051 32 kB 512 B PDIP-40 24 MHz No ADC 32 I/O 4 V 5.5 V Through Hole 8 bit - 40 C + 85 C 89C Tube

Silicon Labs 8-bit Microcontrollers - MCU 8051 25 MHz 4 kB Flash 0.5 kB RAM 8-bit Busy Bee MCU
Datasheet
218In Stock
7,83 kr.
5,71 kr.
5,16 kr.
4,57 kr.
View
Min.: 1
Mult.: 1
CIP-51 8051 4 kB 512 B QFN-20 25 MHz 12 bit 16 I/O 2.2 V 3.6 V SMD/SMT 8 bit - 40 C + 85 C EFM8BB1 Tube

Silicon Labs 8-bit Microcontrollers - MCU 8051 50 MHz 32 kB flash 2.25 kB RAM 8-bit Busy Bee MCU
Datasheet
375In Stock
15,44 kr.
11,41 kr.
10,37 kr.
9,33 kr.
View
Min.: 1
Mult.: 1
CIP-51 8051 32 kB 2.3 kB QFN-24 50 MHz 10 bit, 12 bit 20 I/O 2.2 V 3.6 V SMD/SMT 8 bit - 40 C + 125 C Tube
Silicon Labs 8-bit Microcontrollers - MCU 8051 75 MHz 32 kB flash 2.25 kB RAM 8-bit Laser Bee MCU
Datasheet
12In Stock
Cut Tape
17,90 kr.
13,28 kr.
12,16 kr.
10,89 kr.
Reel
9,33 kr.
View
Min.: 1
Mult.: 1
: 2.500
CIP-51 8051 32 kB 2.25 kB QFN-24 72 MHz 10 bit/12 bit/14 bit 20 I/O 2.2 V 3.6 V SMD/SMT 8 bit - 40 C + 105 C EFM8LB1 Reel, Cut Tape
Silicon Labs 8-bit Microcontrollers - MCU 8051 75 MHz 16 kB flash 1.25 kB RAM 8-bit Laser Bee MCU
Datasheet
90In Stock
14,47 kr.
10,67 kr.
9,70 kr.
8,65 kr.
View
Min.: 1
Mult.: 1
CIP-51 8051 16 kB 1.25 kB QFN-24 72 MHz 10 bit/12 bit/14 bit 20 I/O 2.2 V 3.6 V SMD/SMT 8 bit - 40 C + 105 C EFM8LB1 Tube