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Microchip 89C Series 8-bit Microcontrollers - MCU

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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.	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
8-bit Microcontrollers - MCU 32kB Flash 1280B RAM 2.7V-5.5V AT89C51RC2-3CSUM Microchip Technology 1: $9.42 198In Stock 360Expected 2026/12/21	Mfr. Part No. AT89C51RC2-3CSUM Mouser Part No 556-A89C51RC2-3CSUM	Microchip Technology	8-bit Microcontrollers - MCU 32kB Flash 1280B RAM 2.7V-5.5V Learn More about Microchip Technology microchip at89c51 mcus	Datasheet	198In Stock 360Expected 2026/12/21	$9.42 $8.65 $7.83	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
8-bit Microcontrollers - MCU 20 PINS 2K FLASH 12MHZ 2.7 - 5.5V AT89C2051-12PU Microchip Technology 1: $2.08 842In Stock	Mfr. Part No. AT89C2051-12PU Mouser Part No 556-A89C205112PU	Microchip Technology	8-bit Microcontrollers - MCU 20 PINS 2K FLASH 12MHZ 2.7 - 5.5V	Datasheet	842In Stock	$2.08 $1.91 $1.72	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
8-bit Microcontrollers - MCU C5130A 32K Flash AT89C5131A-RDTUM Microchip Technology 1: $7.77 775In Stock	Mfr. Part No. AT89C5131A-RDTUM Mouser Part No 556-A89C5131ARDTUM	Microchip Technology	8-bit Microcontrollers - MCU C5130A 32K Flash	Datasheet	775In Stock	$7.77 $7.13 $6.44	Min.: 1 Mult.: 1	8051	32 kB	1 kB	VQFP-64	48 MHz	No ADC	34 I/O	2.7 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	89C	Tray
8-bit Microcontrollers - MCU CAN-STICK Bootloader UART IND AT89C51CC01UA-SLSUM Microchip Technology 1: $9.57 947In Stock 999Expected 2026/11/09	Mfr. Part No. AT89C51CC01UA-SLSUM Mouser Part No 556-A89C51C01UASLSUM	Microchip Technology	8-bit Microcontrollers - MCU CAN-STICK Bootloader UART IND Learn More about Microchip Technology microchip at89c51 mcus	Datasheet	947In Stock 999Expected 2026/11/09	$9.57 $8.76 $7.94	Min.: 1 Mult.: 1	8051	32 kB	1.2 kB	PLCC-44	40 MHz	10 bit	34 I/O	3 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	89C	Tube
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 $1.40 $1.26	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
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 $1.23	Min.: 1 Mult.: 1	8051	4 kB	128 B	SOIC-20	24 MHz	No ADC	15 I/O	4 V	6 V	SMD/SMT	8 bit	- 40 C	+ 85 C	89C	Tube
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	8051	32 kB	1 kB	QFN-32	48 MHz	No ADC	34 I/O	2.7 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	89C	Tray
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 $9.71	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
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 $7.89 $7.14	Min.: 1 Mult.: 1	8051	16 kB	512 B	PLCC-28	40 MHz	10 bit	20 I/O	3 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	89C	Tube
8-bit Microcontrollers - MCU CTRL Bootloader CAN AT89C51CC02CA-TISUM Microchip Technology 1: $8.18 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	$8.18 $7.50 $6.82	Min.: 1 Mult.: 1	8051	16 kB	512 B	SOIC-28	40 MHz	10 bit	20 I/O	3 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	89C	Tube
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 $7.89 $7.14	Min.: 1 Mult.: 1	8051	16 kB	512 B	PLCC-28	40 MHz	10 bit	20 I/O	3 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	89C	Tube
8-bit Microcontrollers - MCU CAN C51 64K FLASH CAN BOOT AT89C51CC03CA-SLSUM Microchip Technology 1: $11.58 70In Stock	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	70In Stock	$11.58 $10.64 $9.62	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
8-bit Microcontrollers - MCU 32kB Flash 1280B RAM 2.7V-5.5V AT89C51RC2-SLSUL Microchip Technology 1: $9.68 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	$9.68 $8.86 $8.01	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
8-bit Microcontrollers - MCU 2kB Flash 128B RAM 24MHz 2.7V-6.0V AT89C2051-24PU Microchip Technology 1: $2.08 674In Stock 576On Order	Mfr. Part No. AT89C2051-24PU Mouser Part No 556-A89C2051-24PU	Microchip Technology	8-bit Microcontrollers - MCU 2kB Flash 128B RAM 24MHz 2.7V-6.0V	Datasheet	674In Stock 576On Order	$2.08 $1.91 $1.72	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
8-bit Microcontrollers - MCU C51AC2 32K FLASHADC EEP 5V AT89C51AC2-SLSUM Microchip Technology 1: $10.32 101In Stock	Mfr. Part No. AT89C51AC2-SLSUM Mouser Part No 556-A89C51AC2SLSUM	Microchip Technology	8-bit Microcontrollers - MCU C51AC2 32K FLASHADC EEP 5V Learn More about Microchip Technology microchip at89c51 mcus	Datasheet	101In Stock	$10.32 $9.46 $8.56	Min.: 1 Mult.: 1	8051	32 kB	1.25 kB	PLCC-44	40 MHz	10 bit	34 I/O	3 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	89C	Tube
8-bit Microcontrollers - MCU CTRL Boodloader UART AT89C51CC02UA-TISUM Microchip Technology 1: $8.18 54In Stock	Mfr. Part No. AT89C51CC02UA-TISUM Mouser Part No 556-A89C51C02UATISUM	Microchip Technology	8-bit Microcontrollers - MCU CTRL Boodloader UART Learn More about Microchip Technology microchip at89c51 mcus	Datasheet	54In Stock	$8.18 $7.50 $6.82	Min.: 1 Mult.: 1	8051	16 kB	512 B	SOIC-28	40 MHz	10 bit	20 I/O	3 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	89C	Tube
8-bit Microcontrollers - MCU C51RB2 FLASH 5V 16k ind AT89C51RB2-3CSUM Microchip Technology 1: $7.50 180In Stock 480Expected 2026/11/25	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	180In Stock 480Expected 2026/11/25	$7.50 $6.88 $6.23	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
8-bit Microcontrollers - MCU 8051 4K FLASH 2.7 TO 5.5V 12MHZ 4V-5.5V AT89C4051-12SU Microchip Technology 1: $1.50 552On Order	Mfr. Part No. AT89C4051-12SU Mouser Part No 556-A89C405112SU	Microchip Technology	8-bit Microcontrollers - MCU 8051 4K FLASH 2.7 TO 5.5V 12MHZ 4V-5.5V	Datasheet	552On Order	$1.50 $1.38 $1.24	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
8-bit Microcontrollers - MCU C51AC3 64K FLASHADC EEP 5V AT89C51AC3-RDTUM Microchip Technology 1: $10.21 Non-Stocked Lead-Time 8 Weeks	Mfr. Part No. AT89C51AC3-RDTUM Mouser Part No 556-A89C51AC3RDTUM	Microchip Technology	8-bit Microcontrollers - MCU C51AC3 64K FLASHADC EEP 5V Learn More about Microchip Technology microchip at89c51 mcus	Datasheet	Non-Stocked Lead-Time 8 Weeks	$10.21 $9.39 $8.47	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
8-bit Microcontrollers - MCU LPC/CAN/C51 BootUA IND AT89C51CC02UA-RATUM Microchip Technology 250: $6.82 Non-Stocked Lead-Time 10 Weeks	Mfr. Part No. AT89C51CC02UA-RATUM Mouser Part No 556-A89C51C02UARATUM	Microchip Technology	8-bit Microcontrollers - MCU LPC/CAN/C51 BootUA IND Learn More about Microchip Technology microchip at89c51 mcus	Datasheet	Non-Stocked Lead-Time 10 Weeks	$6.82	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
8-bit Microcontrollers - MCU CAN C51 64K FLASH CAN BOOT AT89C51CC03CA-RDTUM Microchip Technology 1: $11.04 Non-Stocked Lead-Time 9 Weeks	Mfr. Part No. AT89C51CC03CA-RDTUM Mouser Part No 556-A89C51C03CARDTUM	Microchip Technology	8-bit Microcontrollers - MCU CAN C51 64K FLASH CAN BOOT Learn More about Microchip Technology microchip at89c51 mcus	Datasheet	Non-Stocked Lead-Time 9 Weeks	$11.04 $10.13 $9.18	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
8-bit Microcontrollers - MCU 64kB Flash 2048B RAM 2.7V-5.5V AT89C51ED2-RDTUM Microchip Technology 160: $8.66 Non-Stocked Lead-Time 8 Weeks	Mfr. Part No. AT89C51ED2-RDTUM Mouser Part No 556-A89C51ED2RDTUM	Microchip Technology	8-bit Microcontrollers - MCU 64kB Flash 2048B RAM 2.7V-5.5V Learn More about Microchip Technology microchip at89c51 mcus	Datasheet	Non-Stocked Lead-Time 8 Weeks	$8.66	Min.: 160 Mult.: 160	8051	64 kB	2 kB	VQFP-64	60 MHz	No ADC	50 I/O	2.7 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	89C	Tray

Microchip 89C Series 8-bit Microcontrollers - MCU

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