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89C Series 8-bit Microcontrollers - MCU

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (JPY) 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 C51RB2 FLASH 3V 16k Ind AT89C51RB2-SLSUL Microchip Technology 1: ¥1,353.7 286In Stock	Mfr. Part # AT89C51RB2-SLSUL Mouser Part # 556-A89C51RB2SLSUL	Microchip Technology	8-bit Microcontrollers - MCU C51RB2 FLASH 3V 16k Ind Learn More about Microchip Technology microchip at89c51 mcus	Datasheet	286In Stock	¥1,353.7 ¥1,244.1 ¥1,121.2	Min.: 1 Mult.: 1	8051	16 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 64K FLASH 32KHz 3.5-5V Ind. AT89C51ID2-SLSUM Microchip Technology 1: ¥2,104.5 431In Stock	Mfr. Part # AT89C51ID2-SLSUM Mouser Part # 556-A89C51ID2SLSUM	Microchip Technology	8-bit Microcontrollers - MCU 64K FLASH 32KHz 3.5-5V Ind. Learn More about Microchip Technology microchip at89c51 mcus	Datasheet	431In Stock	¥2,104.5 ¥1,928.4 ¥1,747.4	Min.: 1 Mult.: 1	8051	64 kB	1.75 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
8-bit Microcontrollers - MCU C51IC2 32K FLASH I2C 32KHz 3V AT89C51IC2-SLSUL Microchip Technology 1: ¥1,496.6 460In Stock	Mfr. Part # AT89C51IC2-SLSUL Mouser Part # 556-A89C51IC2SLSUL	Microchip Technology	8-bit Microcontrollers - MCU C51IC2 32K FLASH I2C 32KHz 3V Learn More about Microchip Technology microchip at89c51 mcus	Datasheet	460In Stock	¥1,496.6 ¥1,373.6 ¥1,244.1	Min.: 1 Mult.: 1	8051	32 kB	1.25 kB	PLCC-44	60 MHz	No ADC	34 I/O	2.7 V	3.6 V	SMD/SMT	8 bit	- 40 C	+ 85 C	89C	Tube
8-bit Microcontrollers - MCU C5130A 16K Flash USB 5V AT89C5130A-PUTUM Microchip Technology 1: ¥1,382 501In Stock	Mfr. Part # AT89C5130A-PUTUM Mouser Part # 556-A89C5130A-PUTUM	Microchip Technology	8-bit Microcontrollers - MCU C5130A 16K Flash USB 5V Learn More about Microchip Technology microchip at89c51 mcus	Datasheet	501In Stock	¥1,382 ¥1,270.7 ¥1,255.7	Min.: 1 Mult.: 1	8051	16 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 16K Flash ADC AT89C5115-TISUM Microchip Technology 1: ¥1,528.1 1,019In Stock	Mfr. Part # AT89C5115-TISUM Mouser Part # 556-A89C5115TISUM	Microchip Technology	8-bit Microcontrollers - MCU 16K Flash ADC Learn More about Microchip Technology microchip at89c51 mcus	Datasheet	1,019In Stock	¥1,528.1 ¥1,400.2 ¥1,267.3	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 C51IC2 32K FLASH I2C 32KHz 5V AT89C51IC2-SLSUM Microchip Technology 1: ¥1,463.3 677In Stock	Mfr. Part # AT89C51IC2-SLSUM Mouser Part # 556-A89C51IC2SLSUM	Microchip Technology	8-bit Microcontrollers - MCU C51IC2 32K FLASH I2C 32KHz 5V Learn More about Microchip Technology microchip at89c51 mcus	Datasheet	677In Stock	¥1,463.3 ¥1,342.1 ¥1,212.5	Min.: 1 Mult.: 1	8051	32 kB	1.25 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
8-bit Microcontrollers - MCU 32K FLASH 4.0 TO 5.5V AT89C51RC-24AU Microchip Technology 1: ¥523.2 3,742In Stock	Mfr. Part # AT89C51RC-24AU Mouser Part # 556-A89C51RC-24AU	Microchip Technology	8-bit Microcontrollers - MCU 32K FLASH 4.0 TO 5.5V Learn More about Microchip Technology microchip at89c51 mcus	Datasheet	3,742In Stock	¥523.2 ¥480 ¥475	Min.: 1 Mult.: 1	8051	32 kB	512 B	TQFP-44	24 MHz	No ADC	32 I/O	4 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	89C	Tray
8-bit Microcontrollers - MCU CAN C51 64K FLASH UAR BOOT AT89C51CC03UA-SLSUM Microchip Technology 1: ¥1,923.4 134In Stock	Mfr. Part # AT89C51CC03UA-SLSUM Mouser Part # 556-A89C51C03UASLSUM	Microchip Technology	8-bit Microcontrollers - MCU CAN C51 64K FLASH UAR BOOT Learn More about Microchip Technology microchip at89c51 mcus	Datasheet	134In Stock	¥1,923.4 ¥1,767.3 ¥1,597.9	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 C51 16K Flash ADC AT89C5115-RATUM Microchip Technology 1: ¥1,528.1 95In Stock	Mfr. Part # AT89C5115-RATUM Mouser Part # 556-A89C5115RATUM	Microchip Technology	8-bit Microcontrollers - MCU C51 16K Flash ADC Learn More about Microchip Technology microchip at89c51 mcus	Datasheet	95In Stock	¥1,528.1 ¥1,400.2 ¥1,267.3	Min.: 1 Mult.: 1	8051	16 kB	512 B	VQFP-32	40 MHz	10 bit	20 I/O	3 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	89C	Tray
8-bit Microcontrollers - MCU 32K Flash 3V USB AT89C5131A-RDTUL Microchip Technology 1: ¥1,290.6 160In Stock	Mfr. Part # AT89C5131A-RDTUL Mouser Part # 556-AT89C5131A-RDTUL	Microchip Technology	8-bit Microcontrollers - MCU 32K Flash 3V USB	Datasheet	160In Stock	¥1,290.6 ¥1,184.3 ¥1,069.7	Min.: 1 Mult.: 1	8051	32 kB	1 kB	VQFP-64	48 MHz	No ADC	34 I/O	3 V	3.6 V	SMD/SMT	8 bit	- 40 C	+ 85 C	89C	Tray
8-bit Microcontrollers - MCU Bootloader CAN AT89C51CC01CA-SLSUM Microchip Technology 1: ¥1,589.6 105In Stock	Mfr. Part # AT89C51CC01CA-SLSUM Mouser Part # 556-A89C51C01CASLSUM	Microchip Technology	8-bit Microcontrollers - MCU Bootloader CAN Learn More about Microchip Technology microchip at89c51 mcus	Datasheet	105In Stock	¥1,589.6 ¥1,453.4 ¥1,318.8	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-24MHZ 4-5.5V AT89C2051-24SU Microchip Technology 1: ¥239.2 2,549In Stock	Mfr. Part # AT89C2051-24SU Mouser Part # 556-A89C2051-24SU	Microchip Technology	8-bit Microcontrollers - MCU 20 PINS UART 2K FLASH-24MHZ 4-5.5V	Datasheet	2,549In Stock	¥239.2 ¥220.9 ¥199.3	Min.: 1 Mult.: 1	8051	2 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 8051 4K FLASH 2.7 TO 5.5V 24MHZ 4V-5.5V AT89C4051-24PU Microchip Technology 1: ¥352.1 944In Stock 1,404Expected 10/7/2026	Mfr. Part # AT89C4051-24PU Mouser Part # 556-A89C4051-24PU	Microchip Technology	8-bit Microcontrollers - MCU 8051 4K FLASH 2.7 TO 5.5V 24MHZ 4V-5.5V	Datasheet	944In Stock 1,404Expected 10/7/2026	¥352.1 ¥322.2 ¥292.3	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
8-bit Microcontrollers - MCU C51 16K Flash ADC AT89C5115-SISUM Microchip Technology 1: ¥1,606.2 396In Stock	Mfr. Part # AT89C5115-SISUM Mouser Part # 556-A89C5115SISUM	Microchip Technology	8-bit Microcontrollers - MCU C51 16K Flash ADC Learn More about Microchip Technology microchip at89c51 mcus	Datasheet	396In Stock	¥1,606.2 ¥1,471.6 ¥1,330.5	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 C5130A 16K Flash USB 5V AT89C5130A-RDTUM Microchip Technology 1: ¥1,524.8 166In Stock	Mfr. Part # AT89C5130A-RDTUM Mouser Part # 556-A89C5130ARDTUM	Microchip Technology	8-bit Microcontrollers - MCU C5130A 16K Flash USB 5V Learn More about Microchip Technology microchip at89c51 mcus	Datasheet	166In Stock	¥1,524.8 ¥1,396.9 ¥1,380.3	Min.: 1 Mult.: 1	8051	16 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 C51AC3 64K FLASHADC EEP 5V AT89C51AC3-SLSUM Microchip Technology 1: ¥1,780.6 267In Stock	Mfr. Part # AT89C51AC3-SLSUM Mouser Part # 556-A89C51AC3SLSUM	Microchip Technology	8-bit Microcontrollers - MCU C51AC3 64K FLASHADC EEP 5V Learn More about Microchip Technology microchip at89c51 mcus	Datasheet	267In Stock	¥1,780.6 ¥1,634.4 ¥1,478.3	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 CAN C51 64K FLASH UAR BOOT AT89C51CC03UA-RDTUM Microchip Technology 1: ¥1,778.9 421In Stock	Mfr. Part # AT89C51CC03UA-RDTUM Mouser Part # 556-A89C51C03UARDTUM	Microchip Technology	8-bit Microcontrollers - MCU CAN C51 64K FLASH UAR BOOT Learn More about Microchip Technology microchip at89c51 mcus	Datasheet	421In Stock	¥1,778.9 ¥1,631.1 ¥1,475	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-SLSUM Microchip Technology 1: ¥1,712.5 1,120In Stock	Mfr. Part # AT89C51ED2-SLSUM Mouser Part # 556-A89C51ED2SLSUM	Microchip Technology	8-bit Microcontrollers - MCU 64kB Flash 2048B RAM 2.7V-5.5V Learn More about Microchip Technology microchip at89c51 mcus	Datasheet	1,120In Stock	¥1,712.5 ¥1,569.6 ¥1,421.8	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
8-bit Microcontrollers - MCU C51ED2 64K FLASH 3-5.5V Ind AT89C51ED2-SMSUM Microchip Technology 1: ¥1,820.5 784In Stock	Mfr. Part # AT89C51ED2-SMSUM Mouser Part # 556-A89C51ED2SMSUM	Microchip Technology	8-bit Microcontrollers - MCU C51ED2 64K FLASH 3-5.5V Ind Learn More about Microchip Technology microchip at89c51 mcus	Datasheet	784In Stock	¥1,820.5 ¥1,667.6 ¥1,511.5	Min.: 1 Mult.: 1	8051	64 kB	2 kB	PLCC-68	60 MHz	No ADC	48 I/O	2.7 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	89C	Tube
8-bit Microcontrollers - MCU C51RB2 16K FLASH 5V COM AT89C51RB2-SLSUM Microchip Technology 1: ¥1,247.4 1,787In Stock	Mfr. Part # AT89C51RB2-SLSUM Mouser Part # 556-A89C51RB2SLSUM	Microchip Technology	8-bit Microcontrollers - MCU C51RB2 16K FLASH 5V COM Learn More about Microchip Technology microchip at89c51 mcus	Datasheet	1,787In Stock	¥1,247.4 ¥1,144.4 ¥1,038.1	Min.: 1 Mult.: 1	8051	16 kB	1.25 kB	PLCC-44	60 MHz	No ADC	32 I/O	2.7 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	89C	Tube
8-bit Microcontrollers - MCU 32K FLASH 4.0 TO 5.5V - 24MHZ 5V AT89C51RC-24JU Microchip Technology 1: ¥774 402In Stock 405Expected 9/30/2026	Mfr. Part # AT89C51RC-24JU Mouser Part # 556-A89C51RC-24JU	Microchip Technology	8-bit Microcontrollers - MCU 32K FLASH 4.0 TO 5.5V - 24MHZ 5V Learn More about Microchip Technology microchip at89c51 mcus	Datasheet	402In Stock 405Expected 9/30/2026	¥774 ¥712.6 ¥704.3	Min.: 1 Mult.: 1	8051	32 kB	512 B	PLCC-44	24 MHz	No ADC	32 I/O	4 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	89C	Tube
8-bit Microcontrollers - MCU 32K FLASH 4.0 TO 5.5V AT89C51RC-24PU Microchip Technology 1: ¥858.7 396In Stock 690Expected 10/1/2026	Mfr. Part # AT89C51RC-24PU Mouser Part # 556-A89C51RC-24PU	Microchip Technology	8-bit Microcontrollers - MCU 32K FLASH 4.0 TO 5.5V Learn More about Microchip Technology microchip at89c51 mcus	Datasheet	396In Stock 690Expected 10/1/2026	¥858.7 ¥789 ¥777.3	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
8-bit Microcontrollers - MCU 32kB Flash 1280B RAM 2.7V-5.5V AT89C51RC2-3CSUM Microchip Technology 1: ¥1,564.7 303In Stock	Mfr. Part # AT89C51RC2-3CSUM Mouser Part # 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	303In Stock	¥1,564.7 ¥1,436.8 ¥1,300.6	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 64kB Flash 2048B RAM 2.7V-5.5V AT89C51RD2-SLSUM Microchip Technology 1: ¥1,496.6 1,423In Stock 2,538Expected 11/23/2026	Mfr. Part # AT89C51RD2-SLSUM Mouser Part # 556-A89C51RD2SLSUM	Microchip Technology	8-bit Microcontrollers - MCU 64kB Flash 2048B RAM 2.7V-5.5V Learn More about Microchip Technology microchip at89c51 mcus	Datasheet	1,423In Stock 2,538Expected 11/23/2026	¥1,496.6 ¥1,373.6 ¥1,244.1	Min.: 1 Mult.: 1	8051	64 kB	2 kB	PLCC-44	60 MHz		32 I/O	2.7 V	5.5 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: ¥345.5 1,260In Stock	Mfr. Part # AT89C2051-24PU Mouser Part # 556-A89C2051-24PU	Microchip Technology	8-bit Microcontrollers - MCU 2kB Flash 128B RAM 24MHz 2.7V-6.0V	Datasheet	1,260In Stock	¥345.5 ¥317.3 ¥285.7	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