8051 Core Through Hole 8-bit Microcontrollers - MCU

Results: 17
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Description Datasheet Availability Pricing (USD) 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
Packaging

Microchip Technology 8-bit Microcontrollers - MCU SINGLE CYCLE 2K FLASH 20MHZ 2.4-5.5V
Datasheet
264In 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 8kB Flash 256B RAM 33MHz 4.0V-5.5V
Datasheet
6,152In Stock
Min.: 1
Mult.: 1

8051 8 kB 256 B PDIP-40 24 MHz No ADC 32 I/O 4 V 5.5 V Through Hole 8 bit - 40 C + 85 C 89S Tube

Microchip Technology 8-bit Microcontrollers - MCU 8051 4K FLASH 2.7 TO 5.5V 24MHZ 4V-5.5V
Datasheet
884In Stock
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 32K FLASH 4.0 TO 5.5V
Datasheet
497In Stock
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
Microchip Technology 8-bit Microcontrollers - MCU 4kB Flash 128B RAM 33MHz 4.0V-5.5V
Datasheet
1,682In Stock
Min.: 1
Mult.: 1

8051 4 kB 128 B PDIP-40 24 MHz No ADC 32 I/O 4 V 5.5 V Through Hole 8 bit - 40 C + 85 C 89S Tube
Microchip Technology 8-bit Microcontrollers - MCU 12kB Flash 256B RAM 2.7V-5.5V
Datasheet
713In Stock
Min.: 1
Mult.: 1

8051 12 kB 256 B PDIP-40 24 MHz No ADC 32 I/O 2.7 V 5.5 V Through Hole 8 bit - 40 C + 85 C 89S Tube
Microchip Technology 8-bit Microcontrollers - MCU 20K FLASH - 24MHZ IND TEMP 5V
Datasheet
936In Stock
Min.: 1
Mult.: 1

8051 20 kB 256 B PDIP-40 24 MHz No ADC 32 I/O 4 V 5.5 V Through Hole 8 bit - 40 C + 85 C AT89C55WD Tube

Microchip Technology 8-bit Microcontrollers - MCU 2kB Flash 128B RAM 24MHz 2.7V-6.0V
Datasheet
1,413In Stock
Min.: 1
Mult.: 1

8051 2 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 20 PINS 2K FLASH 12MHZ 2.7 - 5.5V
Datasheet
951In 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 32kB Flash 1280B RAM 2.7V-5.5V
Datasheet
63In Stock
240Expected 9/4/2026
Min.: 1
Mult.: 1

8051 32 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 SINGLE CYCLE 4K FLASH-20MHZ 2.4-5.5V
Datasheet
254In Stock
1,134On Order
Min.: 1
Mult.: 1

8051 4 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 MCU 8-BIT AT80 CISC ROMless 3-5V
Datasheet
192In Stock
300Expected 9/10/2026
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 64KB 20MHz 2.4V-5.5V
Datasheet
89In Stock
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
140Expected 9/10/2026
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 C51RB2 FLASH 5V 16k ind
Datasheet
120On Order
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 LO-VLTG 8K ISP FLASH -16MHZ 2.7-5.5V
Datasheet
Lead-Time 9 Weeks
Min.: 1
Mult.: 1

8051 8 kB 256 B PDIP-40 16 MHz No ADC 32 I/O 2.7 V 4 V Through Hole 8 bit - 40 C + 85 C 89LS Tube
Microchip Technology 8-bit Microcontrollers - MCU 8-bit 16K Flash C51RB2
Datasheet
Non-Stocked Lead-Time 8 Weeks
Min.: 100
Mult.: 10

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 Tube