8051 Core 8-bit Microcontrollers - MCU

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Qty. RoHS ECAD Model Core
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Number of I/Os
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Supply Voltage - Max
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Nuvoton 8-bit Microcontrollers - MCU 32K Bytes Shared with LDROM
Datasheet
814In Stock
Min.: 1
Mult.: 1

8051 32 kB 2 kB TSSOP-20 24 MHz 12 bit 18 I/O 2.4 V 5.5 V SMD/SMT 8 bit - 40 C + 105 C Tube

Nuvoton 8-bit Microcontrollers - MCU 32K Bytes Shared with LDROM
Datasheet
1,353In Stock
Min.: 1
Mult.: 1

8051 32 kB 2 kB LQFP-32 24 MHz 12 bit 30 I/O 2.4 V 5.5 V SMD/SMT 8 bit - 40 C + 105 C Tray
Nuvoton 8-bit Microcontrollers - MCU 32K Bytes Shared with LDROM
Datasheet
975In Stock
Min.: 1
Mult.: 1

8051 32 kB 2 kB QFN-33 24 MHz 12 bit 30 I/O 2.4 V 5.5 V SMD/SMT 8 bit - 40 C + 105 C Tray
Nuvoton 8-bit Microcontrollers - MCU 16K Bytes Shared with LDROM 0.4mm Pitch width
Datasheet
899In Stock
Min.: 1
Mult.: 1

8051 16 kB 1 kB QFN-20 24 MHz 12 bit 18 I/O 2.4 V 5.5 V SMD/SMT 8 bit - 40 C + 105 C Tray

Microchip Technology 8-bit Microcontrollers - MCU 20 PINS 2K FLASH 12MHZ 2.7 - 5.5V
Datasheet
671In Stock
Min.: 1
Mult.: 1

8051 2 kB 128 B PDIP-20 12 MHz No ADC 15 I/O 2.7 V 6 V Through Hole 8 bit - 40 C + 85 C 89C Tube

Microchip Technology 8-bit Microcontrollers - MCU CAN C51 64K FLASH CAN BOOT
Datasheet
97In Stock
Min.: 1
Mult.: 1

8051 64 kB 2 kB PLCC-44 60 MHz 10 bit 36 I/O 3 V 5.5 V SMD/SMT 8 bit - 40 C + 85 C 89C Tube

Microchip Technology 8-bit Microcontrollers - MCU CAN C51 64K FLASH UAR BOOT
Datasheet
134In Stock
Min.: 1
Mult.: 1

8051 64 kB 2 kB PLCC-44 60 MHz 10 bit 36 I/O 3 V 5.5 V SMD/SMT 8 bit - 40 C + 85 C 89C Tube
Microchip Technology 8-bit Microcontrollers - MCU C51RB2 FLASH 5V 16k ind
Datasheet
77In Stock
140Expected 2026/03/03
Min.: 1
Mult.: 1

8051 16 kB 1.25 kB PDIP-40 60 MHz No ADC 32 I/O 2.7 V 5.5 V Through Hole 8 bit - 40 C + 85 C 89C Tube

Microchip Technology 8-bit Microcontrollers - MCU C51RD2 64K FLASH 3-5.5V
Datasheet
136In Stock
Min.: 1
Mult.: 1
Reel: 500

8051 64 kB 2 kB PLCC-44 60 MHz 34 I/O 2.7 V 5.5 V SMD/SMT 8 bit - 40 C + 85 C Reel, Cut Tape

Microchip Technology 8-bit Microcontrollers - MCU SINGLE CYCLE 2K FLASH 20MHZ 2.4-5.5V
Datasheet
265In Stock
Min.: 1
Mult.: 1

8051 2 kB 256 B PDIP-20 20 MHz No ADC 15 I/O 2.4 V 5.5 V Through Hole 8 bit - 40 C + 85 C 89LP Tube

Microchip Technology 8-bit Microcontrollers - MCU SINGLE CYC 4K FLASH -20MHZ 2.4-5.5V
Datasheet
73In Stock
Min.: 1
Mult.: 1

8051 4 kB 256 B TSSOP-20 20 MHz No ADC 15 I/O 2.4 V 5.5 V SMD/SMT 8 bit - 40 C + 85 C 89LP Tube
Silicon Labs 8-bit Microcontrollers - MCU 8051 50 MHz 128 kB 5 V 8-bit MCU
Datasheet
274In Stock
Min.: 1
Mult.: 1

8051 128 kB 8.25 kB QFN-48 50 MHz 12 bit 40 I/O 1.8 V 5.25 V SMD/SMT 8 bit - 40 C + 125 C C8051F581 AEC-Q100 Tube

Silicon Labs 8-bit Microcontrollers - MCU 8051 50 MHz 64 kB 5 V CAN LIN 8-bit MCU
Datasheet
46In Stock
1,250Expected 2026/03/27
Min.: 1
Mult.: 1

8051 64 kB 4.25 kB QFP-32 50 MHz 12 bit 25 I/O 1.8 V 5.25 V SMD/SMT 8 bit - 40 C + 125 C C8051F502 AEC-Q100 Tray

Microchip Technology 8-bit Microcontrollers - MCU C5131A 32K Flash USB Ind 3V
Datasheet
34In Stock
Min.: 1
Mult.: 1

8051 32 kB 1 kB SOIC-28 48 MHz No ADC 18 I/O 3 V 3.6 V SMD/SMT 8 bit - 40 C + 85 C 89C Tube
Microchip Technology 8-bit Microcontrollers - MCU CAN C51 64K FLASH CAN BOOT
Datasheet
4In Stock
Min.: 1
Mult.: 1

8051 64 kB 2 kB VQFP-64 60 MHz 10 bit 36 I/O 3 V 5.5 V SMD/SMT 8 bit - 40 C + 85 C 89C Tray

Microchip Technology 8-bit Microcontrollers - MCU 32kB Flash 1280B RAM 2.7V-5.5V
Datasheet
4In Stock
Min.: 1
Mult.: 1

8051 32 kB 1.25 kB PLCC-44 60 MHz No ADC 32 I/O 2.7 V 3.6 V SMD/SMT 8 bit - 40 C + 85 C 89C Tube
Silicon Labs 8-bit Microcontrollers - MCU USB-Flash-64k-ADC-QFN32 OTP available (T626-GM)
Datasheet
90In Stock
Min.: 1
Mult.: 1
Reel: 1,500

8051 64 kB 4.25 kB QFN-32 48 MHz 10 bit 25 I/O 2.7 V 5.25 V SMD/SMT 8 bit - 40 C + 85 C C8051F381 Reel, Cut Tape
Silicon Labs 8-bit Microcontrollers - MCU 8051 50 MHz 32 kB 8-bit MCU
Datasheet
39In Stock
Min.: 1
Mult.: 1

8051 32 kB 2.25 kB QFN-32 48 MHz 10 bit 25 I/O 2.7 V 5.25 V SMD/SMT 8 bit - 40 C + 85 C C8051F383 Tube
Silicon Labs 8-bit Microcontrollers - MCU 8051 50 MHz 16 kB 8-bit MCU
Datasheet
178In Stock
Min.: 1
Mult.: 1

8051 16 kB 1 kB QFN-24 50 MHz 10 bit 21 I/O 1.8 V 3.6 V SMD/SMT 8 bit - 40 C + 105 C C8051F390 Tube
Silicon Labs 8-bit Microcontrollers - MCU 8051 50 MHz 32 kB 5 V CAN LIN 8-bit MCU
Datasheet
6In Stock
Min.: 1
Mult.: 1

8051 32 kB 4.25 kB QFN-32 50 MHz 12 bit 25 I/O 1.8 V 5.25 V SMD/SMT 8 bit - 40 C + 125 C C8051F506 AEC-Q100 Tube
Silicon Labs 8-bit Microcontrollers - MCU 8051 MHz 16 kB flash industrial 8-bit MCU
Datasheet
6In Stock
Min.: 1
Mult.: 1

8051 16 kB 1.25 kB QFN-32 50 MHz 12 bit 25 I/O 1.8 V 5.25 V SMD/SMT 8 bit - 40 C + 125 C C8051F541 AEC-Q100 Tube

Silicon Labs 8-bit Microcontrollers - MCU 32kB/4kB RAM, 10b ADC, DC-DC, 0.9V, QFN32
Datasheet
63In Stock
Min.: 1
Mult.: 1

8051 32 kB 4.25 kB QFN-32 25 MHz 10 bit 24 I/O 900 mV 3.6 V SMD/SMT 8 bit - 40 C + 85 C Tube
Analog Devices / Maxim Integrated 8-bit Microcontrollers - MCU High-Speed/Low-Power Microcontrollers
Datasheet
12In Stock
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

Infineon Technologies 8-bit Microcontrollers - MCU 64K Flash 50MHz 8051 1.71V to 5.5V
Datasheet
8In Stock
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

Infineon Technologies 8-bit Microcontrollers - MCU PSoC 32KB FLASH 1.7-5.5V 38 I/O
Datasheet
23In Stock
Min.: 1
Mult.: 1
Reel: 2,000

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 Reel, Cut Tape