8051 Core 8-bit Microcontrollers - MCU

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Qty. RoHS ECAD Model Core
Program Memory Size
Data RAM Size
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Maximum Clock Frequency
ADC Resolution
Number of I/Os
Supply Voltage - Min
Supply Voltage - Max
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Minimum Operating Temperature
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Packaging
Microchip Technology 8-bit Microcontrollers - MCU 4K ISP FLASH 2.7 TO 5.5V - 24MHz
Datasheet
4.614In Stock
Min.: 1
Mult.: 1

8051 4 kB 128 B TQFP-44 24 MHz No ADC 32 I/O 4 V 5.5 V SMD/SMT 8 bit - 40 C + 85 C 89S Tray
Microchip Technology 8-bit Microcontrollers - MCU 8kB Flash 256B RAM 33MHz 4.0V-5.5V
Datasheet
2.765In Stock
Min.: 1
Mult.: 1

8051 8 kB 256 B TQFP-44 24 MHz No ADC 32 I/O 4 V 5.5 V SMD/SMT 8 bit - 40 C + 85 C 89S Tray
Microchip Technology 8-bit Microcontrollers - MCU C51AC2 32kF ADC EEP TQFP44 ind 5V GREEN
Datasheet
332In Stock
2.720Expected 9/4/2026
Min.: 1
Mult.: 1

8051 32 kB 128 B TQFP-44 40 MHz 10 bit 34 I/O 3 V 5.5 V SMD/SMT 8 bit - 40 C + 85 C Tray
Microchip Technology 8-bit Microcontrollers - MCU CAN TQFP44 TRAY I. Bootloader CAN GREEN
Datasheet
922In Stock
Min.: 1
Mult.: 1

8051 32 kB 1.25 kB TQFP-44 40 MHz 10 bit 34 I/O 3 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
676In Stock
Min.: 1
Mult.: 1

8051 64 kB 256 B LQFP-44 20 MHz 10 bit 36 I/O 2.4 V 5.5 V SMD/SMT 8 bit - 40 C + 85 C Tray
Microchip Technology 8-bit Microcontrollers - MCU Single-Cycle 805132K ISP Flash,2.4-5.5V
Datasheet
593In Stock
Min.: 1
Mult.: 1

8051 32 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
Microchip Technology 8-bit Microcontrollers - MCU 64KB 20MHz 2.4V-5.5V
Datasheet
972In Stock
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
Microchip Technology 8-bit Microcontrollers - MCU Single-Cycle 8051 64K ISP Flash
Datasheet
437In Stock
Min.: 1
Mult.: 1

8051 64 kB 4.25 kB TQFP-44 20 MHz 10 bit 38 I/O 2.4 V 3.6 V SMD/SMT 8 bit - 40 C + 85 C Tray
Silicon Labs 8-bit Microcontrollers - MCU 8051 25 MHz 16 kB 8-bit MCU
Datasheet
860In Stock
3.000Expected 11/27/2026
MouseReel Available
Min.: 1
Mult.: 1
: 1.500

8051 16 kB 1.25 kB QFN-28 25 MHz 10 bit 25 I/O 2.7 V 3.6 V SMD/SMT 8 bit - 40 C + 85 C C8051F311 Reel, Cut Tape, MouseReel

Silicon Labs 8-bit Microcontrollers - MCU 8051 25 MHz 16 kB LFO 8-bit MCU
Datasheet
1.458In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1.500

8051 16 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 C8051F336 Reel, Cut Tape, MouseReel
Silicon Labs 8-bit Microcontrollers - MCU 8051 50 MHz 32 kB 8-bit MCU
Datasheet
1.108In Stock
1.533Expected 11/20/2026
Min.: 1
Mult.: 1

8051 32 kB 2.31 kB QFN-28 50 MHz 12 bit 20 I/O 2 V 5.25 V SMD/SMT 8 bit - 40 C + 85 C C8051F411 Tube
Analog Devices / Maxim Integrated 8-bit Microcontrollers - MCU High-Speed/Low-Power Microcontrollers
Datasheet
130In Stock
Min.: 1
Mult.: 1

8051 64 kB 256 B TQFP-44 25 MHz No ADC 32 I/O 4.5 V 5.5 V SMD/SMT 8 bit 0 C + 70 C DS80C320 Tray
Analog Devices / Maxim Integrated 8-bit Microcontrollers - MCU High-Speed/Low-Power Microcontrollers
Datasheet
128In Stock
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
69In Stock
70Expected 8/26/2026
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
68In Stock
Min.: 1
Mult.: 1

8051 64 kB 256 B PLCC-44 25 MHz No ADC 32 I/O 4.5 V 5.5 V SMD/SMT 8 bit 0 C + 70 C DS80C320 Tube
Analog Devices / Maxim Integrated 8-bit Microcontrollers - MCU High-Speed/Low-Power Microcontrollers
Datasheet
208In Stock
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 Dual CAN High-Speed Microprocessor
Datasheet
214In Stock
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
78In Stock
Min.: 1
Mult.: 1

8051 16 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 DS87C520 Tray

Analog Devices / Maxim Integrated 8-bit Microcontrollers - MCU EPROM/ROM High-Speed Microcontrollers
Datasheet
195In Stock
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
159In Stock
Min.: 1
Mult.: 1

8051 16 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 DS89C430 Tray
Analog Devices / Maxim Integrated 8-bit Microcontrollers - MCU Ultra-High-Speed Flash Microcontrollers
Datasheet
193In Stock
Min.: 1
Mult.: 1

8051 16 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 DS89C430 Tray
Analog Devices / Maxim Integrated 8-bit Microcontrollers - MCU Ultra-High-Speed Flash Microcontrollers
Datasheet
77In Stock
Min.: 1
Mult.: 1

8051 16 kB 1 kB PDIP-40 33 MHz No ADC 32 I/O 4.5 V 5.5 V Through Hole 8 bit - 40 C + 85 C DS89C430 Tube

Analog Devices / Maxim Integrated 8-bit Microcontrollers - MCU Ultra-High-Speed Flash Microcontrollers
Datasheet
83In Stock
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 - 40 C + 85 C DS89C430 Tube
Analog Devices / Maxim Integrated 8-bit Microcontrollers - MCU Ultra-High-Speed Flash Microcontrollers
Datasheet
163In Stock
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
Analog Devices / Maxim Integrated 8-bit Microcontrollers - MCU Ultra-High-Speed Flash Microcontrollers
Datasheet
170In Stock
Min.: 1
Mult.: 1

8051 64 kB 1 kB PDIP-40 33 MHz No ADC 32 I/O 4.5 V 5.5 V Through Hole 8 bit - 40 C + 85 C DS89C450 Tube