8051 Core 8-bit Microcontrollers - MCU

Results: 488
Select Image Part #
 Mfr.
Description Datasheet Availability Pricing (DKK) 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
Qualification
Packaging
Microchip Technology 8-bit Microcontrollers - MCU MCU 8-BIT AT80 CISC ROMless 3-5V
Datasheet
257In Stock
32,38 kr.
29,69 kr.
29,47 kr.
Min.: 1
Mult.: 1
8051 0 B 1.25 kB PDIP-40 40 MHz No ADC 32 I/O 2.7 V 5.5 V Through Hole 8 bit - 40 C + 85 C 80C Tube

Microchip Technology 8-bit Microcontrollers - MCU 24MHZ, PLCC, IND TEMP, GREEN, 5V
Datasheet
268In Stock
702Expected 09/11/2026
29,91 kr.
27,53 kr.
Min.: 1
Mult.: 1
8051 20 kB 256 B PLCC-44 24 MHz No ADC 32 I/O 4 V 5.5 V SMD/SMT 8 bit - 40 C + 85 C AT89C55WD Tube
Microchip Technology 8-bit Microcontrollers - MCU Single Cycle 8051 4K ISP FL
Datasheet
610In Stock
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
Microchip Technology 8-bit Microcontrollers - MCU 64KB 20MHz 2.4V-5.5V
Datasheet
139In Stock
37,82 kr.
34,61 kr.
31,41 kr.
Min.: 1
Mult.: 1
8051 64 kB 256 B PDIP-40 20 MHz 10 bit 40 I/O 2.4 V 5.5 V Through Hole 8 bit - 40 C + 85 C Tube
Microchip Technology 8-bit Microcontrollers - MCU 64KB 20MHz 2.4V-5.5V
Datasheet
209In Stock
34,24 kr.
31,56 kr.
28,50 kr.
Min.: 1
Mult.: 1
8051 64 kB 256 B PDIP-40 20 MHz 10 bit 40 I/O 2.4 V 5.5 V Through Hole 8 bit - 40 C + 85 C Tube

Microchip Technology 8-bit Microcontrollers - MCU Single-Cycle 8051 8K ISP Flash MCU
Datasheet
103In 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 8kB/512B RAM, ADC, QFN20
Datasheet
309In Stock
Cut Tape
18,95 kr.
14,10 kr.
12,91 kr.
11,56 kr.
Reel
9,85 kr.
View
MouseReel Available
Min.: 1
Mult.: 1
: 2.500
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 C8051F850 Reel, Cut Tape, MouseReel
Infineon Technologies 8-bit Microcontrollers - MCU 32K Flash 50MHz 8051 1.71V to 5.5V
Datasheet
186In Stock
61,84 kr.
48,12 kr.
42,60 kr.
40,88 kr.
View
Min.: 1
Mult.: 1
8051 32 kB 4 kB QFN-48 50 MHz 12 bit 29 I/O 1.71 V 5.5 V SMD/SMT 8 bit - 40 C + 85 C CY8C3245 Tray
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
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 25 MHz 32 kB 8-bit MCU
Datasheet
174In Stock
800Expected 22/01/2027
226,86 kr.
189,48 kr.
171,21 kr.
161,66 kr.
Min.: 1
Mult.: 1
8051 32 kB 2.25 kB TQFP-64 25 MHz 12 bit 32 I/O 2.7 V 3.6 V SMD/SMT 8 bit - 40 C + 85 C C8051F005 Tray

Silicon Labs 8-bit Microcontrollers - MCU 8051 25 MHz 32 kB 8-bit MCU
Datasheet
234In Stock
Cut Tape
221,41 kr.
179,26 kr.
168,75 kr.
161,73 kr.
151,59 kr.
Reel
151,59 kr.
Min.: 1
Mult.: 1
: 500
8051 32 kB 2.25 kB TQFP-64 25 MHz 12 bit 32 I/O 2.7 V 3.6 V SMD/SMT 8 bit - 40 C + 85 C C8051F005 Reel, Cut Tape

Silicon Labs 8-bit Microcontrollers - MCU 8051 25 MHz 64 kB 8-bit MCU
Datasheet
278In Stock
Cut Tape
277,66 kr.
227,90 kr.
212,61 kr.
209,25 kr.
208,73 kr.
Reel
186,43 kr.
MouseReel Available
Min.: 1
Mult.: 1
: 500
8051 64 kB 4.35 kB TQFP-64 25 MHz 8 bit, 12 bit 32 I/O 2.7 V 3.6 V SMD/SMT 8 bit - 40 C + 85 C C8051F021 Reel, Cut Tape, MouseReel
Silicon Labs 8-bit Microcontrollers - MCU 8051 50 MHz 64 kB 5 V CAN LIN 8-bit MCU
Datasheet
181In Stock
84,30 kr.
73,48 kr.
61,47 kr.
56,47 kr.
View
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 C8051F500 AEC-Q100 Tube

Silicon Labs 8-bit Microcontrollers - MCU 8051 25 MHz 8 kB 5 V LIN 8-bit MCU
Datasheet
777In Stock
37,08 kr.
28,20 kr.
26,04 kr.
23,57 kr.
View
Min.: 1
Mult.: 1
8051 8 kB 256 B QFN-20 25 MHz 12 bit 16 I/O 2 V 5.25 V SMD/SMT 8 bit - 40 C + 125 C C8051F530 AEC-Q100 Tube
Analog Devices / Maxim Integrated 8-bit Microcontrollers - MCU High-Speed/Low-Power Microcontrollers
Datasheet
128In Stock
214,77 kr.
167,92 kr.
160,39 kr.
145,77 kr.
View
Min.: 1
Mult.: 1
8051 64 kB 256 B PDIP-40 25 MHz No ADC 32 I/O 4.5 V 5.5 V Through Hole 8 bit 0 C + 70 C DS80C320 Tube
Analog Devices / Maxim Integrated 8-bit Microcontrollers - MCU High-Speed/Low-Power Microcontrollers
Datasheet
128In Stock
260,06 kr.
218,88 kr.
209,10 kr.
178,00 kr.
View
Min.: 1
Mult.: 1
8051 64 kB 256 B PDIP-40 25 MHz No ADC 32 I/O 4.5 V 5.5 V Through Hole 8 bit - 40 C + 85 C DS80C320 Tube
Analog Devices / Maxim Integrated 8-bit Microcontrollers - MCU High-Speed/Low-Power Microcontrollers
Datasheet
8In Stock
295,79 kr.
242,82 kr.
222,90 kr.
209,48 kr.
View
Min.: 1
Mult.: 1
8051 64 kB 256 B PDIP-40 33 MHz No ADC 32 I/O 4.5 V 5.5 V Through Hole 8 bit - 40 C + 85 C DS80C320 Tube
Analog Devices / Maxim Integrated 8-bit Microcontrollers - MCU High-Speed/Low-Power Microcontrollers
Datasheet
208In Stock
111,23 kr.
84,52 kr.
81,02 kr.
71,39 kr.
View
Min.: 1
Mult.: 1
8051 64 kB 256 B TQFP-44 18 MHz No ADC 32 I/O 2.7 V 5.5 V SMD/SMT 8 bit 0 C + 70 C DS80C323 Tray

Analog Devices / Maxim Integrated 8-bit Microcontrollers - MCU High-Speed/Low-Power Microcontrollers
Datasheet
56In Stock
108,62 kr.
82,58 kr.
79,08 kr.
69,68 kr.
View
Min.: 1
Mult.: 1
8051 64 kB 256 B PLCC-44 18 MHz No ADC 32 I/O 2.7 V 5.5 V SMD/SMT 8 bit 0 C + 70 C DS80C323 Tube
Analog Devices / Maxim Integrated 8-bit Microcontrollers - MCU Dual CAN High-Speed Microprocessor
Datasheet
214In Stock
383,37 kr.
318,99 kr.
316,15 kr.
296,16 kr.
View
Min.: 1
Mult.: 1
8051 4 kB 4 kB LQFP-64 40 MHz No ADC 32 I/O 3.85 V 5.5 V SMD/SMT 8 bit - 40 C + 85 C DS80C390 Tray

Analog Devices / Maxim Integrated 8-bit Microcontrollers - MCU EPROM/ROM High-Speed Microcontrollers
Datasheet
192In Stock
456,03 kr.
379,49 kr.
376,06 kr.
352,26 kr.
View
Min.: 1
Mult.: 1
8051 16 kB 1 kB PLCC-44 33 MHz No ADC 32 I/O 4.5 V 5.5 V SMD/SMT 8 bit 0 C + 70 C DS87C520 Tube
Analog Devices / Maxim Integrated 8-bit Microcontrollers - MCU Ultra-High-Speed Flash Microcontrollers
Datasheet
85In Stock
318,99 kr.
261,92 kr.
253,49 kr.
237,53 kr.
View
Min.: 1
Mult.: 1
8051 64 kB 1 kB TQFP-44 33 MHz No ADC 32 I/O 4.5 V 5.5 V SMD/SMT 8 bit - 40 C + 85 C DS89C450 Tray

Silicon Labs 8-bit Microcontrollers - MCU 8051 50 MHz 16 kB LFO 8-bit MCU
Datasheet
395In Stock
1.911Expected 02/11/2026
27,83 kr.
20,96 kr.
19,25 kr.
17,38 kr.
View
Min.: 1
Mult.: 1
8051 16 kB 1 kB QFN-20 50 MHz 10 bit 17 I/O 1.8 V 3.6 V SMD/SMT 8 bit - 40 C + 105 C C8051F392 Tube

Nuvoton 8-bit Microcontrollers - MCU 16KB Flash ROM, 1KB SRAM, 1 CHs of SPI,1T/8051
Datasheet
775In Stock
5,52 kr.
4,74 kr.
4,01 kr.
3,78 kr.
View
Min.: 1
Mult.: 1
8051 16 kB 1 kB MSOP-10 24 MHz 12 bit 7 I/O 1.8 V 5.5 V SMD/SMT 8 bit - 40 C + 105 C Tube