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

Infineon Technologies 8-bit Microcontrollers - MCU 16K Flash 50MHz 8051 1.71V to 5.5V
Datasheet
368In Stock
64,60 kr.
50,21 kr.
44,46 kr.
42,67 kr.
View
Min.: 1
Mult.: 1
8051 16 kB 2 kB QFN-68 50 MHz 12 bit 46 I/O 1.71 V 5.5 V SMD/SMT 8 bit - 40 C + 85 C CY8C3244 Tray
Silicon Labs 8-bit Microcontrollers - MCU 8051 75 MHz 16 kB flash 1.25 kB RAM 8-bit Laser Bee MCU
Datasheet
35In Stock
17,31 kr.
15,67 kr.
13,95 kr.
12,61 kr.
View
Min.: 1
Mult.: 1
CIP-51 8051 16 kB 1.25 kB QFN-32 72 MHz 10 bit/12 bit/14 bit 29 I/O 2.2 V 3.6 V SMD/SMT 8 bit - 40 C + 105 C EFM8LB1 Tray
Infineon Technologies 8-bit Microcontrollers - MCU 64K Flash 50MHz 8051 1.71V to 5.5V
Datasheet
299In Stock
79,52 kr.
64,68 kr.
61,62 kr.
53,56 kr.
View
Min.: 1
Mult.: 1
8051 64 kB 8 kB QFN-48 50 MHz 12 bit 29 I/O 1.71 V 5.5 V SMD/SMT 8 bit - 40 C + 85 C CY8C3246 Tray
Silicon Labs 8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 8 kB flash 1.28 kB RAM 16 GPIO BB5 8-bit MCU
Datasheet
166In Stock
7,31 kr.
5,29 kr.
4,76 kr.
4,19 kr.
View
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 8051 25 MHz 8 kB flash 0.5 kB RAM 8-bit Sleepy Bee MCU
Datasheet
1.221In Stock
Cut Tape
20,89 kr.
15,59 kr.
14,25 kr.
12,76 kr.
View
Reel
10,00 kr.
Min.: 1
Mult.: 1
: 1.500
CIP-51 8051 8 kB 512 B QFN-20 25 MHz 12 bit 16 I/O 1.8 V 3.6 V SMD/SMT 8 bit - 40 C + 85 C EFM8SB AEC-Q100 Reel, Cut Tape
Infineon Technologies 8-bit Microcontrollers - MCU 64K Flash 50MHz 8051 1.71V to 5.5V
Datasheet
1.091In Stock
77,66 kr.
60,80 kr.
54,09 kr.
52,00 kr.
View
Min.: 1
Mult.: 1
8051 64 kB 8 kB QFN-48 50 MHz 12 bit 31 I/O 1.71 V 5.5 V SMD/SMT 8 bit - 40 C + 85 C CY8C3246 Tray
Nuvoton 8-bit Microcontrollers - MCU Low Pin Count 8051 Series; 2.4V to 5.5V; -40 to 85
Datasheet
1.026In Stock
Cut Tape
9,55 kr.
6,09 kr.
5,43 kr.
4,47 kr.
Reel
2,95 kr.
View
MouseReel Available
Min.: 1
Mult.: 1
: 3.000
8051 18 kB 256 B QFN-20 16 MHz 12 bit 18 I/O 2.4 V 5.5 V SMD/SMT 8 bit - 40 C + 105 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
2.259In Stock
15,52 kr.
11,49 kr.
10,44 kr.
9,40 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

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
371In Stock
76,84 kr.
72,51 kr.
52,97 kr.
50,95 kr.
View
Min.: 1
Mult.: 1
8051 64 kB 8 kB SSOP-48 50 MHz 12 bit 31 I/O 1.71 V 5.5 V SMD/SMT 8 bit - 40 C + 85 C CY8C3246 Tube
Silicon Labs 8-bit Microcontrollers - MCU 8051 75 MHz 32 kB flash 2.25 kB RAM 8-bit Laser Bee MCU
Datasheet
723In Stock
17,90 kr.
13,28 kr.
12,16 kr.
10,89 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

Silicon Labs 8-bit Microcontrollers - MCU 8051 48 MHz 32 kB flash 2 kB RAM 8-bit Universal Bee MCU
Datasheet
587In Stock
21,34 kr.
16,49 kr.
14,85 kr.
13,50 kr.
View
Min.: 1
Mult.: 1
CIP-51 8051 32 kB 2.25 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
Microchip Technology 8-bit Microcontrollers - MCU Sngl-Cycle 8051 IND 2.4-3.6V 32K ISP FL
Datasheet
315In Stock
30,51 kr.
28,05 kr.
25,44 kr.
Min.: 1
Mult.: 1
8051 32 kB 4.25 kB VQFN-44 20 MHz 10 bit 38 I/O 2.4 V 3.6 V SMD/SMT 8 bit - 40 C + 85 C Tray
Microchip Technology 8-bit Microcontrollers - MCU 32K FLASH 4.0 TO 5.5V
Datasheet
3.742In Stock
20,22 kr.
18,65 kr.
Min.: 1
Mult.: 1
8051 32 kB 512 B TQFP-44 24 MHz No ADC 32 I/O 4 V 5.5 V SMD/SMT 8 bit - 40 C + 85 C 89C Tray
Microchip Technology 8-bit Microcontrollers - MCU 2K FLASH 24MHZ SOIC
Datasheet
504In Stock
16,71 kr.
15,37 kr.
13,95 kr.
Min.: 1
Mult.: 1
8051 2 kB 256 B SOIC-20 24 MHz No ADC 15 I/O 2.7 V 5.5 V SMD/SMT 8 bit - 40 C + 85 C 89S Tube
Microchip Technology 8-bit Microcontrollers - MCU Single-Cycle 8051 8K ISP Flash MCU
Datasheet
2.784In Stock
11,04 kr.
10,00 kr.
9,18 kr.
Min.: 1
Mult.: 1
8051 8 kB 256 B TQFP-44 20 MHz No ADC 36 I/O 2.4 V 5.5 V SMD/SMT 8 bit - 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
43.706In Stock
22.500On Order
Cut Tape
5,90 kr.
5,00 kr.
4,10 kr.
3,83 kr.
3,59 kr.
Reel
3,59 kr.
MouseReel Available
Min.: 1
Mult.: 1
: 2.500
CIP-51 8051 8 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 Reel, Cut Tape, MouseReel

Microchip Technology 8-bit Microcontrollers - MCU 8051 4K FLASH 2.7 TO 5.5V 24MHZ 4V-5.5V
Datasheet
2.346In Stock
13,58 kr.
12,46 kr.
11,26 kr.
Min.: 1
Mult.: 1
8051 4 kB 128 B PDIP-20 24 MHz No ADC 15 I/O 4 V 6 V Through Hole 8 bit - 40 C + 85 C 89C Tube

Microchip Technology 8-bit Microcontrollers - MCU Single-Cycle 8051 8K ISP Flash MCU
Datasheet
130In Stock
22,16 kr.
20,29 kr.
Min.: 1
Mult.: 1
8051 8 kB 256 B PLCC-44 20 MHz No ADC 36 I/O 2.4 V 5.5 V SMD/SMT 8 bit - 40 C + 85 C Tube
Silicon Labs 8-bit Microcontrollers - MCU 8051 25 MHz 8 kB flash 0.5 kB RAM 8-bit Sleepy Bee MCU
Datasheet
3.031In Stock
Cut Tape
11,26 kr.
8,88 kr.
7,91 kr.
7,18 kr.
Reel
6,01 kr.
View
MouseReel Available
Min.: 1
Mult.: 1
: 2.500
CIP-51 8051 8 kB 512 B 25 MHz 12 bit 17 I/O 1.8 V 3.6 V SMD/SMT 8 bit - 40 C + 85 C Reel, Cut Tape, MouseReel

Silicon Labs 8-bit Microcontrollers - MCU 8051 25 MHz 2 kB flash 0.25 kB RAM 8-bit Sleepy Bee MCU
Datasheet
3.518In Stock
16.500Expected 30/10/2026
Cut Tape
8,73 kr.
6,74 kr.
5,95 kr.
5,42 kr.
Reel
4,90 kr.
View
MouseReel Available
Min.: 1
Mult.: 1
: 2.500
CIP-51 8051 2 kB 256 B QFN-20 25 MHz 12 bit 16 I/O 1.8 V 3.6 V SMD/SMT 8 bit - 40 C + 85 C Reel, Cut Tape, MouseReel

Silicon Labs 8-bit Microcontrollers - MCU 8051 25 MHz 2 kB flash 0.25 kB RAM 8-bit Sleepy Bee MCU
Datasheet
2.663In Stock
6.300Expected 21/10/2026
8,50 kr.
6,61 kr.
5,89 kr.
5,24 kr.
View
Min.: 1
Mult.: 1
CIP-51 8051 2 kB 256 B QFN-20 25 MHz 12 bit 16 I/O 1.8 V 3.6 V SMD/SMT 8 bit - 40 C + 85 C Tube
Infineon Technologies 8-bit Microcontrollers - MCU 64K Flash 50MHz 8051 1.71V to 5.5V
Datasheet
2.600In Stock
87,73 kr.
75,87 kr.
67,74 kr.
65,28 kr.
View
Min.: 1
Mult.: 1
8051 64 kB 8 kB QFN-48 50 MHz 12 bit 31 I/O 1.71 V 5.5 V SMD/SMT 8 bit - 40 C + 85 C CY8C3446 Tray
Microchip Technology 8-bit Microcontrollers - MCU Single Cycle 8051 4K ISP FL
Datasheet
130In Stock
480Expected 22/10/2026
11,04 kr.
10,00 kr.
9,18 kr.
Min.: 1
Mult.: 1
8051 4 kB 256 B TQFP-44 20 MHz No ADC 36 I/O 2.4 V 5.5 V SMD/SMT 8 bit - 40 C + 85 C Tray
Silicon Labs 8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 4 kB flash 0.5 kB RAM 12 GPIO BB5 8-bit MCU
Datasheet
648In Stock
6,54 kr.
4,71 kr.
4,24 kr.
3,74 kr.
View
Min.: 1
Mult.: 1
4 kB 512 B SOIC-16 50 MHz 12 bit 12 I/O 1.8 V 5.5 V SMD/SMT 8 bit - 40 C + 125 C BB50 Tube