8051 Core 8-bit Microcontrollers - MCU

Results: 552
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Description Datasheet Availability Pricing (PLN) 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
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Packaging

Microchip Technology 8-bit Microcontrollers - MCU 64kB Flash 2048B RAM 2.7V-5.5V
Datasheet
1 413Expected 9/4/2026
Min.: 1
Mult.: 1

8051 64 kB 2 kB PLCC-44 60 MHz No ADC 34 I/O 2.7 V 5.5 V SMD/SMT 8 bit - 40 C + 85 C 89C Tube

Silicon Labs 8-bit Microcontrollers - MCU 8KB,24ADC,28Pin MCU
Datasheet
1 528In Stock
Min.: 1
Mult.: 1

8051 8 kB 768 B QFN-28 50 MHz 24 bit 17 I/O 2.7 V 3.6 V SMD/SMT 8 bit - 40 C + 85 C C8051F351 Tube
Silicon Labs 8-bit Microcontrollers - MCU 8051 50 MHz 16 kB 8-bit MCU
Datasheet
1 592Expected 8/26/2026
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 8KB/512B RAM, ADC, SOIC16
Datasheet
3 674Expected 9/11/2026
MouseReel Available
Min.: 1
Mult.: 1
: 2 500

8051 8 kB 512 B SOIC-16 25 MHz 12 bit 13 I/O 2.2 V 3.6 V SMD/SMT 8 bit - 40 C + 85 C C8051F860 Reel, Cut Tape, MouseReel
Silicon Labs 8-bit Microcontrollers - MCU 32KB,12ADC,48Pin MCU
Datasheet
1 349On Order
Min.: 1
Mult.: 1

8051 32 kB 2.25 kB TQFP-48 25 MHz 12 bit 16 I/O 2.7 V 3.6 V SMD/SMT 8 bit - 40 C + 85 C C8051F006 Tray

Silicon Labs 8-bit Microcontrollers - MCU 25 MIPS, 8 kB, 256, SPI, UART, LIN 2.1, TSSOP20
Datasheet
6 694Expected 1/1/2027
Min.: 1
Mult.: 1

8051 8 kB 256 B TSSOP-20 25 MHz 12 bit 16 I/O 1.8 V 5.25 V SMD/SMT 8 bit - 40 C + 125 C C8051F530A Tube
Microchip Technology 8-bit Microcontrollers - MCU 64KB 20MHz 2.4V-5.5V
Datasheet
480Expected 11/19/2026
Min.: 1
Mult.: 1

8051 64 kB 256 B TQFP-44 20 MHz 10 bit 40 I/O 2.4 V 5.5 V SMD/SMT 8 bit - 40 C + 85 C Tray
Silicon Labs 8-bit Microcontrollers - MCU 8kB/256B RAM, 2% osc, QFN11 OTP available (T601-GM)
Datasheet
3 000Expected 11/27/2026
MouseReel Available
Min.: 1
Mult.: 1
: 1 500

8051 8 kB 256 B QFN-11 25 MHz No ADC 8 I/O 2.7 V 3.6 V SMD/SMT 8 bit - 40 C + 85 C C8051F301 Reel, Cut Tape, MouseReel

Silicon Labs 8-bit Microcontrollers - MCU 8051 25 MHz 8 kB LFO 8-bit MCU
Datasheet
1 911Expected 10/16/2026
Min.: 1
Mult.: 1

8051 8 kB 768 B QFN-20 25 MHz 10 bit 17 I/O 2.7 V 3.6 V SMD/SMT 8 bit - 40 C + 85 C C8051F330 Tube
Microchip Technology 8-bit Microcontrollers - MCU 8051 4K FLASH 2.7 TO 5.5V 12MHZ 4V-5.5V
Datasheet
552On Order
Min.: 1
Mult.: 1

8051 4 kB 128 B SOIC-20 12 MHz No ADC 15 I/O 2.7 V 6 V SMD/SMT 8 bit - 40 C + 85 C 89C Tube
Microchip Technology 8-bit Microcontrollers - MCU 64KB 20MHz 2.4V-5.5V
Datasheet
140Expected 8/18/2026
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
130Expected 10/22/2026
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 64 kB CAN 8-bit MCU
Datasheet
425Expected 10/30/2026
Min.: 1
Mult.: 1

8051 64 kB 4.25 kB TQFP-100 25 MHz 8 bit, 12 bit 64 I/O 2.7 V 3.6 V SMD/SMT 8 bit - 40 C + 85 C C8051F040 Tray

Silicon Labs 8-bit Microcontrollers - MCU 8051 25 MHz 64 kB CAN 8-bit MCU
Datasheet
246Expected 9/11/2026
Min.: 1
Mult.: 1
: 250

8051 64 kB 4.25 kB TQFP-100 25 MHz 10 bit 64 I/O 2.7 V 3.6 V SMD/SMT 8 bit - 40 C + 85 C C8051F042 Reel, Cut Tape

Silicon Labs 8-bit Microcontrollers - MCU 8kB/768B RAM, QFN20 OTP available (T631-GM)
Datasheet
1 500Expected 10/16/2026
MouseReel Available
Min.: 1
Mult.: 1
: 1 500

8051 8 kB 768 B QFN-20 25 MHz No ADC 17 I/O 2.7 V 3.6 V SMD/SMT 8 bit - 40 C + 85 C C8051F331 Reel, Cut Tape, MouseReel

Silicon Labs 8-bit Microcontrollers - MCU 8051 25 MHz 8 kB 5 V 8-bit MCU
Datasheet
1 551Expected 1/1/2027
Min.: 1
Mult.: 1

8051 8 kB 256 B TSSOP-20 25 MHz 12 bit 16 I/O 2 V 5.25 V SMD/SMT 8 bit - 40 C + 125 C C8051F531 AEC-Q100 Tube
Silicon Labs 8-bit Microcontrollers - MCU 8051 50 MHz 128 kB 5 V CAN LIN 8-bit MCU
Datasheet
810Expected 1/29/2027
Min.: 1
Mult.: 1

8051 128 kB 8.25 kB QFN-48 24 MHz 12 bit 40 I/O 1.8 V 5.25 V SMD/SMT 8 bit - 40 C + 125 C C8051F580 AEC-Q100 Tube

Nuvoton 8-bit Microcontrollers - MCU 16KB Flash ROM, 1KB SRAM, 1 CHs of SPI,1T/8051
Datasheet
499Expected 3/24/2027
Min.: 1
Mult.: 1

8051 16 kB 2 kB LQFP-32 24 MHz 12 bit 28 I/O 1.8 V 5.5 V SMD/SMT 8 bit - 40 C + 105 C Tray
Nuvoton 8-bit Microcontrollers - MCU 32KB Flash ROM, 2KB SRAM, 2 CHs of SPI,1T/8051
Datasheet
490Expected 3/26/2027
Min.: 1
Mult.: 1

8051 32 kB 2 kB QFN-33 24 MHz 12 bit 28 I/O 1.8 V 5.5 V SMD/SMT 8 bit - 40 C + 105 C Tray
Analog Devices / Maxim Integrated 8-bit Microcontrollers - MCU High-Speed/Low-Power Microcontrollers
Datasheet
30Expected 9/3/2026
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 0 C + 70 C DS80C320 Tube

Analog Devices / Maxim Integrated 8-bit Microcontrollers - MCU Ultra-High-Speed Flash Microcontrollers
Datasheet
30Expected 10/19/2026
Min.: 1
Mult.: 1

8051 64 kB 1 kB PLCC-44 33 MHz No ADC 32 I/O 4.5 V 5.5 V SMD/SMT 8 bit - 40 C + 85 C DS89C450 Tube
Microchip Technology 8-bit Microcontrollers - MCU 20 PINS UART 2K FLASH-2MHZ 4V-5.5V
Datasheet
Non-Stocked Lead-Time 9 Weeks
Min.: 1
Mult.: 1

8051 2 kB 128 B SOIC-20 12 MHz No ADC 15 I/O 2.7 V 6 V SMD/SMT 8 bit - 40 C + 85 C 89C Tube
Microchip Technology 8-bit Microcontrollers - MCU C51AC3 64K FLASHADC EEP 5V
Datasheet
Lead-Time 8 Weeks
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 LPC/CAN/C51 BootUA IND
Datasheet
Non-Stocked Lead-Time 10 Weeks
Min.: 250
Mult.: 250

8051 16 kB 512 B VQFP-32 40 MHz 20 I/O 3 V 5.5 V SMD/SMT 8 bit - 40 C + 85 C 89C Tray
Microchip Technology 8-bit Microcontrollers - MCU CAN C51 64K FLASH CAN BOOT
Datasheet
Non-Stocked Lead-Time 9 Weeks
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