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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (USD) Filter the results in the table by unit price based on your quantity.	Qty.
8-bit Microcontrollers - MCU 8051 50 MHz 64 kB 8-bit MCU C8051F381-GM Silicon Labs 1: $7.26 415In Stock 1,533Expected 18/06/2027 NRND	Mfr. Part No. C8051F381-GM Mouser Part No 634-C8051F381-GM NRND	Silicon Labs	8-bit Microcontrollers - MCU 8051 50 MHz 64 kB 8-bit MCU Learn More about Silicon Labs silabs usb mcus	Datasheet	415In Stock 1,533Expected 18/06/2027	$7.26 $5.60 $5.18 $4.72 View $4.38 $4.37 $4.24	Min.: 1 Mult.: 1
Development Boards & Kits - 8051 Adafruit CH552 QT Py - 8051 Dev Board with STEMMA QT 5960 Adafruit 1: $4.95 19In Stock	Mfr. Part No. 5960 Mouser Part No 485-5960	Adafruit	Development Boards & Kits - 8051 Adafruit CH552 QT Py - 8051 Dev Board with STEMMA QT	Datasheet	19In Stock	$4.95	Min.: 1 Mult.: 1
Development Boards & Kits - 8051 An evaluation/development Kit for Nuvoton 8051 NK-ML51SD Nuvoton 1: $32.45 1In Stock 10Expected 15/12/2026	Mfr. Part No. NK-ML51SD Mouser Part No 503-NK-ML51SD	Nuvoton	Development Boards & Kits - 8051 An evaluation/development Kit for Nuvoton 8051	Datasheet	1In Stock 10Expected 15/12/2026	$32.45	Min.: 1 Mult.: 1
Development Boards & Kits - 8051 An evaluation/development Kit for Nuvoton 8051 NK-ML56SD Nuvoton 1: $45.02 8In Stock	Mfr. Part No. NK-ML56SD Mouser Part No 503-NK-ML56SD	Nuvoton	Development Boards & Kits - 8051 An evaluation/development Kit for Nuvoton 8051 Learn More about Nuvoton numaker ml56sd dev board	Datasheet	8In Stock	$45.02	Min.: 1 Mult.: 1
Development Boards & Kits - 8051 An evaluation/development Kit for Nuvoton 8051 NK-MS51PC Nuvoton 1: $32.45 10In Stock	Mfr. Part No. NK-MS51PC Mouser Part No 503-NK-MS51PC	Nuvoton	Development Boards & Kits - 8051 An evaluation/development Kit for Nuvoton 8051 Learn More about Nuvoton numaker ms51pc development board	Datasheet	10In Stock	$32.45	Min.: 1 Mult.: 1
Development Boards & Kits - 8051 An evaluation/development Kit for Nuvoton 8051 ML51 series NT-ML51EB Nuvoton 1: $26.10 12In Stock	Mfr. Part No. NT-ML51EB Mouser Part No 503-NT-ML51EB	Nuvoton	Development Boards & Kits - 8051 An evaluation/development Kit for Nuvoton 8051 ML51 series	Datasheet	12In Stock	$26.10	Min.: 1 Mult.: 1
Development Boards & Kits - 8051 An evaluation/development Kit for Nuvoton 8051 MS51 series NT-MS51FB Nuvoton 1: $27.05 11In Stock	Mfr. Part No. NT-MS51FB Mouser Part No 503-NT-MS51FB	Nuvoton	Development Boards & Kits - 8051 An evaluation/development Kit for Nuvoton 8051 MS51 series Learn More about Nuvoton nutiny ms51fb development board	Datasheet	11In Stock	$27.05	Min.: 1 Mult.: 1
8-bit Microcontrollers - MCU 20 PINS UART 2K FLASH-2MHZ 4V-5.5V AT89C2051-12SU Microchip Technology 1: $1.51 59In Stock	Mfr. Part No. AT89C2051-12SU Mouser Part No 556-A89C205112SU	Microchip Technology	8-bit Microcontrollers - MCU 20 PINS UART 2K FLASH-2MHZ 4V-5.5V	Datasheet	59In Stock	$1.51 $1.39 $1.25	Min.: 1 Mult.: 1
8-bit Microcontrollers - MCU 8051 4K FLASH 2.7 TO 5.5V 24MHZ 4V-5.5V AT89C4051-24SU Microchip Technology 1: $1.49 515In Stock	Mfr. Part No. AT89C4051-24SU Mouser Part No 556-A89C4051-24SU	Microchip Technology	8-bit Microcontrollers - MCU 8051 4K FLASH 2.7 TO 5.5V 24MHZ 4V-5.5V	Datasheet	515In Stock	$1.49 $1.37 $1.22	Min.: 1 Mult.: 1
8-bit Microcontrollers - MCU C5130A 32K Flash USB AT89C5131A-PUTUM Microchip Technology 1: $7.56 130In Stock	Mfr. Part No. AT89C5131A-PUTUM Mouser Part No 556-A89C5131A-PUTUM	Microchip Technology	8-bit Microcontrollers - MCU C5130A 32K Flash USB	Datasheet	130In Stock	$7.56 $6.93 $6.28	Min.: 1 Mult.: 1
8-bit Microcontrollers - MCU C5131A 32K Flash USB Ind 3V AT89C5131A-TISUL Microchip Technology 1: $10.57 20In Stock	Mfr. Part No. AT89C5131A-TISUL Mouser Part No 556-A89C5131ATISUL	Microchip Technology	8-bit Microcontrollers - MCU C5131A 32K Flash USB Ind 3V	Datasheet	20In Stock	$10.57 $9.70 $9.57	Min.: 1 Mult.: 1
8-bit Microcontrollers - MCU C51-CAN Bootloader CAN AT89C51CC02CA-SISUM Microchip Technology 1: $8.59 28In Stock	Mfr. Part No. AT89C51CC02CA-SISUM Mouser Part No 556-A89C51C02CASISUM	Microchip Technology	8-bit Microcontrollers - MCU C51-CAN Bootloader CAN Learn More about Microchip Technology microchip at89c51 mcus	Datasheet	28In Stock	$8.59 $7.88 $7.14	Min.: 1 Mult.: 1
8-bit Microcontrollers - MCU CTRL Bootloader CAN AT89C51CC02CA-TISUM Microchip Technology 1: $8.17 43In Stock	Mfr. Part No. AT89C51CC02CA-TISUM Mouser Part No 556-A89C51C02CATISUM	Microchip Technology	8-bit Microcontrollers - MCU CTRL Bootloader CAN Learn More about Microchip Technology microchip at89c51 mcus	Datasheet	43In Stock	$8.17 $7.50 $6.81	Min.: 1 Mult.: 1
8-bit Microcontrollers - MCU CTRL Bootloader UART AT89C51CC02UA-SISUM Microchip Technology 1: $8.59 13In Stock	Mfr. Part No. AT89C51CC02UA-SISUM Mouser Part No 556-A89C51C02UASISUM	Microchip Technology	8-bit Microcontrollers - MCU CTRL Bootloader UART Learn More about Microchip Technology microchip at89c51 mcus	Datasheet	13In Stock	$8.59 $7.88 $7.14	Min.: 1 Mult.: 1
8-bit Microcontrollers - MCU CAN C51 64K FLASH CAN BOOT AT89C51CC03CA-SLSUM Microchip Technology 1: $11.58 43In Stock 81Expected 16/11/2026	Mfr. Part No. AT89C51CC03CA-SLSUM Mouser Part No 556-A89C51C03CASLSUM	Microchip Technology	8-bit Microcontrollers - MCU CAN C51 64K FLASH CAN BOOT Learn More about Microchip Technology microchip at89c51 mcus	Datasheet	43In Stock 81Expected 16/11/2026	$11.58 $10.64 $9.62	Min.: 1 Mult.: 1
8-bit Microcontrollers - MCU CAN C51 64K FLASH UAR BOOT AT89C51CC03UA-SLSUM Microchip Technology 1: $11.50 34In Stock	Mfr. Part No. AT89C51CC03UA-SLSUM Mouser Part No 556-A89C51C03UASLSUM	Microchip Technology	8-bit Microcontrollers - MCU CAN C51 64K FLASH UAR BOOT Learn More about Microchip Technology microchip at89c51 mcus	Datasheet	34In Stock	$11.50 $10.64 $10.22 $9.62	Min.: 1 Mult.: 1
8-bit Microcontrollers - MCU C51RB2 FLASH 5V 16k ind AT89C51RB2-3CSUM Microchip Technology 1: $7.50 178In Stock 480Expected 17/11/2026	Mfr. Part No. AT89C51RB2-3CSUM Mouser Part No 556-A89C51RB2-3CSUM	Microchip Technology	8-bit Microcontrollers - MCU C51RB2 FLASH 5V 16k ind Learn More about Microchip Technology microchip at89c51 mcus	Datasheet	178In Stock 480Expected 17/11/2026	$7.50 $6.88 $6.23	Min.: 1 Mult.: 1
8-bit Microcontrollers - MCU 32kB Flash 1280B RAM 2.7V-5.5V AT89C51RC2-SLSUL Microchip Technology 1: $9.67 4In Stock	Mfr. Part No. AT89C51RC2-SLSUL Mouser Part No 556-A89C51RC2SLSUL	Microchip Technology	8-bit Microcontrollers - MCU 32kB Flash 1280B RAM 2.7V-5.5V Learn More about Microchip Technology microchip at89c51 mcus	Datasheet	4In Stock	$9.67 $8.86 $8.01	Min.: 1 Mult.: 1
8-bit Microcontrollers - MCU 20K FLASH - 24MHZ AT89C55WD-24AU Microchip Technology 1: $3.16 313In Stock	Mfr. Part No. AT89C55WD-24AU Mouser Part No 556-A89C55WD-24AU	Microchip Technology	8-bit Microcontrollers - MCU 20K FLASH - 24MHZ	Datasheet	313In Stock	$3.16 $2.90 $2.82	Min.: 1 Mult.: 1
8-bit Microcontrollers - MCU 2K FLASH 24MHZ SOIC AT89S2051-24SU Microchip Technology 1: $2.61 4In Stock	Mfr. Part No. AT89S2051-24SU Mouser Part No 556-A89S2051-24SU	Microchip Technology	8-bit Microcontrollers - MCU 2K FLASH 24MHZ SOIC	Datasheet	4In Stock	$2.61 $2.39 $2.18	Min.: 1 Mult.: 1
8-bit Microcontrollers - MCU MCU 8-BIT AT80 CISC ROMless 3-5V AT80C51RD2-3CSUM Microchip Technology 1: $5.05 257In Stock	Mfr. Part No. AT80C51RD2-3CSUM Mouser Part No 556-AT80C51RD2-3CSUM	Microchip Technology	8-bit Microcontrollers - MCU MCU 8-BIT AT80 CISC ROMless 3-5V	Datasheet	257In Stock	$5.05 $4.63 $4.54	Min.: 1 Mult.: 1
8-bit Microcontrollers - MCU C51RB2 FLASH 16k TQFP44 ind 3V GREEN AT89C51RB2T-RLTUL Microchip Technology 1: $7.77 31In Stock	Mfr. Part No. AT89C51RB2T-RLTUL Mouser Part No 556-AT89C51RB2TLTUL	Microchip Technology	8-bit Microcontrollers - MCU C51RB2 FLASH 16k TQFP44 ind 3V GREEN Learn More about Microchip Technology microchip at89c51 mcus	Datasheet	31In Stock	$7.77 $7.13 $6.45 $6.44	Min.: 1 Mult.: 1
8-bit Microcontrollers - MCU C51RC2 FLASH 32k TQFP44 Com 5V GREEN AT89C51RC2T-RLTUM Microchip Technology 1: $8.19 39In Stock 1,440Expected 04/01/2027	Mfr. Part No. AT89C51RC2T-RLTUM Mouser Part No 556-AT89C51RC2TLTUM	Microchip Technology	8-bit Microcontrollers - MCU C51RC2 FLASH 32k TQFP44 Com 5V GREEN Learn More about Microchip Technology microchip at89c51 mcus	Datasheet	39In Stock 1,440Expected 04/01/2027	$8.19 $7.50 $6.79	Min.: 1 Mult.: 1
8-bit Microcontrollers - MCU 24MHZ, PLCC, IND TEMP, GREEN, 5V AT89C55WD-24JU Microchip Technology 1: $4.66 268In Stock 702Expected 09/11/2026	Mfr. Part No. AT89C55WD-24JU Mouser Part No 556-AT89C55WD-24JU	Microchip Technology	8-bit Microcontrollers - MCU 24MHZ, PLCC, IND TEMP, GREEN, 5V	Datasheet	268In Stock 702Expected 09/11/2026	$4.66 $4.29 $4.24	Min.: 1 Mult.: 1
8-bit Microcontrollers - MCU Single Cycle 8051 4K ISP FL AT89LP51-20AU Microchip Technology 1: $1.72 610In Stock	Mfr. Part No. AT89LP51-20AU Mouser Part No 556-AT89LP51-20AU	Microchip Technology	8-bit Microcontrollers - MCU Single Cycle 8051 4K ISP FL Learn More about Microchip Technology atmelat89lp52	Datasheet	610In Stock	$1.72 $1.56 $1.42	Min.: 1 Mult.: 1

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