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64 kB 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 8051 50 MHz 64 kB flash 4.25 kB RAM 8-bit Busy Bee MCU EFM8BB31F64I-D-4QFN24 Silicon Labs 1: $3.90 2,758In Stock	Mfr. Part # EFM8BB31F64I-D-4QFN24 Mouser Part # 634-EF8BB31F64ID4F24	Silicon Labs	8-bit Microcontrollers - MCU 8051 50 MHz 64 kB flash 4.25 kB RAM 8-bit Busy Bee MCU Learn More about Silicon Labs siliconlabs efm8 busy bee	Datasheet	2,758In Stock	$3.90 $2.91 $2.65 $2.59 View $2.26 $2.04	Min.: 1 Mult.: 1	CIP-51 8051	64 kB	4.35 kB	QFN-24	50 MHz	10 bit, 12 bit	20 I/O	2.2 V	3.6 V	SMD/SMT	8 bit	- 40 C	+ 125 C		Tube
8-bit Microcontrollers - MCU 8051 50 MHz 64 kB flash 4.25 kB RAM 8-bit Busy Bee MCU EFM8BB31F64I-D-QFN32R Silicon Labs 1: $3.98 2,500In Stock	Mfr. Part # EFM8BB31F64I-D-QFN32R Mouser Part # 634-EF8BB31F64IDN32R	Silicon Labs	8-bit Microcontrollers - MCU 8051 50 MHz 64 kB flash 4.25 kB RAM 8-bit Busy Bee MCU Learn More about Silicon Labs siliconlabs efm8 busy bee	Datasheet	2,500In Stock	Cut Tape $3.98 $2.96 $2.70 $2.43 Reel $2.07 View $2.29 $2.24 $2.13 $2.03	Min.: 1 Mult.: 1 : 2,500	CIP-51 8051	64 kB	4.35 kB	QFN-32	50 MHz	10 bit, 12 bit	29 I/O	2.2 V	3.6 V	SMD/SMT	8 bit	- 40 C	+ 125 C		Reel, Cut Tape
8-bit Microcontrollers - MCU 8051 50 MHz 64 kB flash 4.25 kB RAM 8-bit Busy Bee MCU EFM8BB31F64I-D-QFN32 Silicon Labs 1: $3.99 1,517In Stock	Mfr. Part # EFM8BB31F64I-D-QFN32 Mouser Part # 634-EF8BB31F64IDQN32	Silicon Labs	8-bit Microcontrollers - MCU 8051 50 MHz 64 kB flash 4.25 kB RAM 8-bit Busy Bee MCU Learn More about Silicon Labs siliconlabs efm8 busy bee	Datasheet	1,517In Stock	$3.99 $2.98 $2.72 $2.44 View $2.30 $2.25 $2.15 $2.07 $2.03	Min.: 1 Mult.: 1	CIP-51 8051	64 kB	4.35 kB	QFN-32	50 MHz	10 bit, 12 bit	29 I/O	2.2 V	3.6 V	SMD/SMT	8 bit	- 40 C	+ 125 C		Tray
8-bit Microcontrollers - MCU 8051 75 MHz 64 kB flash 4.25 kB RAM 8-bit Laser Bee MCU EFM8LB12F64E-C-QFN32R Silicon Labs 1: $4.60 3,867In Stock	Mfr. Part # EFM8LB12F64E-C-QFN32R Mouser Part # 634-LB12F64ECQFN32R	Silicon Labs	8-bit Microcontrollers - MCU 8051 75 MHz 64 kB flash 4.25 kB RAM 8-bit Laser Bee MCU Learn More about Silicon Labs silabs efm8 laser bee	Datasheet	3,867In Stock	Cut Tape $4.60 $3.58 $3.19 $2.93 View Reel $2.31 $2.85 $2.73 $2.31	Min.: 1 Mult.: 1 : 2,500	CIP-51 8051	64 kB	4.25 kB	QFN-32	72 MHz	10 bit/12 bit/14 bit	29 I/O	2.2 V	3.6 V	SMD/SMT	8 bit	- 40 C	+ 105 C	EFM8LB1	Reel, Cut Tape
8-bit Microcontrollers - MCU 64KB Flash, 4KB RAM, 2x OPA, 12-bit differential ADCC with computation, 8/10-bit Microchip Technology PIC18F26Q71T-I/STX PIC18F26Q71T-I/STX Microchip Technology 1: $1.89 3,290In Stock	Mfr. Part # PIC18F26Q71T-I/STX Mouser Part # 579-P18F26Q71T-I/STX	Microchip Technology	8-bit Microcontrollers - MCU 64KB Flash, 4KB RAM, 2x OPA, 12-bit differential ADCC with computation, 8/10-bit Learn More about Microchip Technology microchip pic18 q71 mcus	Datasheet	3,290In Stock	Cut Tape $1.89 $1.83 Reel $1.56 MouseReel Available	Min.: 1 Mult.: 1 : 3,300	PIC18	64 kB	4 kB	VQFN-28			26 I/O	1.8 V	5.5 V	SMD/SMT		- 40 C	+ 85 C	PIC18F26/46/56Q71	Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU 64KB Flash, 4KB RAM, 2x OPA, 12-bit differential ADCC with computation, 8/10-bit Microchip Technology PIC18F26Q71T-I/SO PIC18F26Q71T-I/SO Microchip Technology 1: $2.04 1,499In Stock	Mfr. Part # PIC18F26Q71T-I/SO Mouser Part # 579-PC18F26Q71T-I/SO	Microchip Technology	8-bit Microcontrollers - MCU 64KB Flash, 4KB RAM, 2x OPA, 12-bit differential ADCC with computation, 8/10-bit Learn More about Microchip Technology microchip pic18 q71 mcus	Datasheet	1,499In Stock	Cut Tape $2.04 $1.99 Reel $1.70 MouseReel Available	Min.: 1 Mult.: 1 : 1,600	PIC18	64 kB	4 kB	SOIC-28			26 I/O	1.8 V	5.5 V	SMD/SMT		- 40 C	+ 85 C	PIC18F26/46/56Q71	Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU 64KB Flash, 4KB RAM, 2x OPA, 12-bit differential ADCC with computation, 8/10-bit Microchip Technology PIC18F26Q71T-I/SS PIC18F26Q71T-I/SS Microchip Technology 1: $2.00 2,028In Stock	Mfr. Part # PIC18F26Q71T-I/SS Mouser Part # 579-PC18F26Q71T-I/SS	Microchip Technology	8-bit Microcontrollers - MCU 64KB Flash, 4KB RAM, 2x OPA, 12-bit differential ADCC with computation, 8/10-bit Learn More about Microchip Technology microchip pic18 q71 mcus	Datasheet	2,028In Stock	Cut Tape $2.00 $1.95 Reel $1.66 MouseReel Available	Min.: 1 Mult.: 1 : 2,100	PIC18	64 kB	4 kB	SSOP-28			26 I/O	1.8 V	5.5 V	SMD/SMT		- 40 C	+ 85 C	PIC18F26/46/56Q71	Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU 64KB Flash, 4KB RAM, 2x OPA, 12-bit differential ADCC with computation, 8/10-bit Microchip Technology PIC18F46Q71T-I/MP PIC18F46Q71T-I/MP Microchip Technology 1: $2.38 3,285In Stock	Mfr. Part # PIC18F46Q71T-I/MP Mouser Part # 579-PC18F46Q71T-I/MP	Microchip Technology	8-bit Microcontrollers - MCU 64KB Flash, 4KB RAM, 2x OPA, 12-bit differential ADCC with computation, 8/10-bit Learn More about Microchip Technology microchip pic18 q71 mcus	Datasheet	3,285In Stock	Cut Tape $2.38 $2.34 Reel $1.98 MouseReel Available	Min.: 1 Mult.: 1 : 3,300	PIC18	64 kB	4 kB	QFN-40			37 I/O	1.8 V	5.5 V	SMD/SMT		- 40 C	+ 85 C	PIC18F26/46/56Q71	Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU Low-Power, High-Performance Microcontroller Microchip Technology PIC18F56Q71T-I/PT PIC18F56Q71T-I/PT Microchip Technology 1: $2.43 1,545In Stock	Mfr. Part # PIC18F56Q71T-I/PT Mouser Part # 579-PC18F56Q71T-I/PT	Microchip Technology	8-bit Microcontrollers - MCU Low-Power, High-Performance Microcontroller Learn More about Microchip Technology microchip pic18 q71 mcus	Datasheet	1,545In Stock	Cut Tape $2.43 $2.38 Reel $2.02 MouseReel Available	Min.: 1 Mult.: 1 : 1,600	PIC18	64 kB	4 kB	TQFP-48			44 I/O	1.8 V	5.5 V	SMD/SMT		- 40 C	+ 85 C	PIC18F26/46/56Q71	Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU 64KB, 8KB RAM, 28p, 24MHz, MVIO, 12b ADC, ZCD, DAC, 2xUART, SPI, TWI AVR64DD28T-I/SS Microchip Technology 1: $1.69 1,070In Stock	Mfr. Part # AVR64DD28T-I/SS Mouser Part # 579-AVR64DD28T-I/SS	Microchip Technology	8-bit Microcontrollers - MCU 64KB, 8KB RAM, 28p, 24MHz, MVIO, 12b ADC, ZCD, DAC, 2xUART, SPI, TWI Learn More about Microchip Technology microchip avr64dd mcus	Datasheet	1,070In Stock	Cut Tape $1.69 $1.65 Reel $1.40 MouseReel Available	Min.: 1 Mult.: 1 : 2,100	AVR	64 kB	8 kB	SSOP-28	24 MHz	12 bit	22 I/O	1.8 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	AVR64DD32/28	Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU 64KB, RWW, 6KB RAM, 28p, 20MHz, CFD, 12b ADC, PGA, 2xComp, DAC, 3xUART, SPI, TWI AVR64EA28-E/SS Microchip Technology 1: $1.66 207In Stock	Mfr. Part # AVR64EA28-E/SS Mouser Part # 579-AVR64EA28-E/SS	Microchip Technology	8-bit Microcontrollers - MCU 64KB, RWW, 6KB RAM, 28p, 20MHz, CFD, 12b ADC, PGA, 2xComp, DAC, 3xUART, SPI, TWI Learn More about Microchip Technology microchip avr64ea28 32 48 mcus	Datasheet	207In Stock	$1.66 $1.53 $1.39	Min.: 1 Mult.: 1	AVR	64 kB	6 kB	SSOP-28	20 MHz	12 bit	24 I/O	1.8 V	5.5 V	SMD/SMT	8 bit/16 bit	- 40 C	+ 125 C	AVR64EA28/32/48	Tube
8-bit Microcontrollers - MCU 64KB, RWW, 6KB RAM, 48p, 20MHz, CFD, 12b ADC, PGA, 2xComp, DAC, 3xUART, SPI, TWI AVR64EA48-E/6LX Microchip Technology 1: $2.12 427In Stock	Mfr. Part # AVR64EA48-E/6LX Mouser Part # 579-AVR64EA48-E/6LX	Microchip Technology	8-bit Microcontrollers - MCU 64KB, RWW, 6KB RAM, 48p, 20MHz, CFD, 12b ADC, PGA, 2xComp, DAC, 3xUART, SPI, TWI Learn More about Microchip Technology microchip avr64ea28 32 48 mcus	Datasheet	427In Stock	$2.12 $1.94 $1.76	Min.: 1 Mult.: 1	AVR	64 kB	6 kB	VQFN-48	20 MHz	12 bit	42 I/O	1.8 V	5.5 V	SMD/SMT	8 bit/16 bit	- 40 C	+ 125 C	AVR64EA28/32/48	Tube
8-bit Microcontrollers - MCU 64KB Flash, 4K RAM, 256 EEPROM, MVIO, I3C, Virtual Port, 10b ADCC, DMA, PIC18F06Q20-I/ST Microchip Technology 1: $1.46 606In Stock	Mfr. Part # PIC18F06Q20-I/ST Mouser Part # 579-PIC18F06Q20-I/ST	Microchip Technology	8-bit Microcontrollers - MCU 64KB Flash, 4K RAM, 256 EEPROM, MVIO, I3C, Virtual Port, 10b ADCC, DMA, Learn More about Microchip Technology microchip pic18 q20 mcus	Datasheet	606In Stock	$1.46 $1.33 $1.21	Min.: 1 Mult.: 1	RISC	64 kB	4 kB	TSSOP-14	64 MHz	10 bit	11 I/O	1.8 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	PIC18F06/16Q20	Tube
8-bit Microcontrollers - MCU 64KB Flash, 4KB RAM, 512bytes EEPROM, MVIO, 10b ADC2, 8b DAC, ACP, Comp, PWM, PIC18F46Q24-I/P Microchip Technology 1: $4.56 201In Stock	Mfr. Part # PIC18F46Q24-I/P Mouser Part # 579-PIC18F46Q24-I/P	Microchip Technology	8-bit Microcontrollers - MCU 64KB Flash, 4KB RAM, 512bytes EEPROM, MVIO, 10b ADC2, 8b DAC, ACP, Comp, PWM, Learn More about Microchip Technology microchip pic18 q24 mcus	Datasheet	201In Stock	$4.56 $4.19 $3.78	Min.: 1 Mult.: 1	PIC18	64 kB	4 kB	PDIP-40	64 MHz	10 bit	35 I/O	1.8 V	5.5 V	Through Hole	8 bit	- 40 C	+ 85 C	PIC18F26/45/46/55/56Q24	Tube
8-bit Microcontrollers - MCU 8051 50 MHz 64 kB 8-bit MCU C8051F381-GM Silicon Labs 1: $9.44 415In Stock 1,533Expected 6/18/2027 NRND	Mfr. Part # C8051F381-GM Mouser Part # 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 6/18/2027	$9.44 $7.28 $6.73 $6.14 View $5.69 $5.68 $5.51	Min.: 1 Mult.: 1	8051	64 kB	4.25 kB	QFN-32	48 MHz	10 bit	25 I/O	2.7 V	5.25 V	SMD/SMT	8 bit	- 40 C	+ 85 C	C8051F381	Tube
8-bit Microcontrollers - MCU 64KB, 8KB RAM, 28p, 24MHz, MVIO, 12b ADC, ZCD, DAC, 2xUART, SPI, TWI AVR64DD28-I/SO Microchip Technology 1: $1.83 346In Stock	Mfr. Part # AVR64DD28-I/SO Mouser Part # 494-AVR64DD28-I/SO	Microchip Technology	8-bit Microcontrollers - MCU 64KB, 8KB RAM, 28p, 24MHz, MVIO, 12b ADC, ZCD, DAC, 2xUART, SPI, TWI Learn More about Microchip Technology microchip avr64dd mcus	Datasheet	346In Stock	$1.83 $1.68 $1.52	Min.: 1 Mult.: 1	AVR	64 kB	8 kB	SOIC-28	24 MHz	12 bit	22 I/O	1.8 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	AVR64DD28/32	Tube
8-bit Microcontrollers - MCU 64KB, 8KB RAM, 32p, 24MHz, MVIO, 12b ADC, ZCD, DAC, 2xUART, SPI, TWI AVR64DD32-I/PT Microchip Technology 1: $1.69 675In Stock	Mfr. Part # AVR64DD32-I/PT Mouser Part # 494-AVR64DD32-I/PT	Microchip Technology	8-bit Microcontrollers - MCU 64KB, 8KB RAM, 32p, 24MHz, MVIO, 12b ADC, ZCD, DAC, 2xUART, SPI, TWI Learn More about Microchip Technology microchip avr64dd mcus	Datasheet	675In Stock	$1.69 $1.55 $1.40	Min.: 1 Mult.: 1	AVR	64 kB	8 kB	TQFP-32	24 MHz	12 bit	26 I/O	1.8 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	AVR16/32DD28/32	Tray
8-bit Microcontrollers - MCU CAN C51 64K FLASH CAN BOOT AT89C51CC03CA-SLSUM Microchip Technology 1: $15.05 43In Stock 81Expected 11/16/2026	Mfr. Part # AT89C51CC03CA-SLSUM Mouser Part # 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 11/16/2026	$15.05 $13.83 $12.51	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-SLSUM Microchip Technology 1: $15.05 34In 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	34In Stock	$15.05 $13.83 $12.51	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 64KB 20MHz 2.4V-5.5V AT89LP51ED2-20PU Microchip Technology 1: $7.67 133In Stock	Mfr. Part # AT89LP51ED2-20PU Mouser Part # 556-AT89LP51ED2-20PU	Microchip Technology	8-bit Microcontrollers - MCU 64KB 20MHz 2.4V-5.5V Learn More about Microchip Technology atmelat89lp52	Datasheet	133In Stock	$7.67 $7.02 $6.36	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
8-bit Microcontrollers - MCU 64KB 20MHz 2.4V-5.5V AT89LP51RD2-20PU Microchip Technology 1: $6.94 209In Stock	Mfr. Part # AT89LP51RD2-20PU Mouser Part # 556-AT89LP51RD2-20PU	Microchip Technology	8-bit Microcontrollers - MCU 64KB 20MHz 2.4V-5.5V Learn More about Microchip Technology atmelat89lp52	Datasheet	209In Stock	$6.94 $6.40 $5.77	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
8-bit Microcontrollers - MCU AVR USB 64K FLSH-OTG 16MHz Ind Temp AT90USB647-AU Microchip Technology 1: $11.64 80In Stock	Mfr. Part # AT90USB647-AU Mouser Part # 556-AT90USB647-AU	Microchip Technology	8-bit Microcontrollers - MCU AVR USB 64K FLSH-OTG 16MHz Ind Temp	Datasheet	80In Stock	$11.64 $10.67 $9.65	Min.: 1 Mult.: 1	AVR	64 kB	4 kB	TQFP-64	16 MHz	10 bit	48 I/O	2.7 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	AT90USB647	Tray
8-bit Microcontrollers - MCU 64kB Flash 2kB EEPROM 32 I/O Pins ATMEGA644-20PU Microchip Technology 1: $9.49 29In Stock 110Expected 11/17/2026	Mfr. Part # ATMEGA644-20PU Mouser Part # 556-ATMEGA644-20PU	Microchip Technology	8-bit Microcontrollers - MCU 64kB Flash 2kB EEPROM 32 I/O Pins Learn More about Microchip Technology microchip atmega644pa mcus	Datasheet	29In Stock 110Expected 11/17/2026	$9.49 $8.68 $7.87	Min.: 1 Mult.: 1	AVR	64 kB	4 kB	PDIP-40	20 MHz	10 bit	32 I/O	2.7 V	5.5 V	Through Hole	8 bit	- 40 C	+ 85 C	ATmega644	Tube
8-bit Microcontrollers - MCU 20 MHz Ind Temp ATMEGA644A-PU Microchip Technology 1: $7.67 12In Stock 390On Order	Mfr. Part # ATMEGA644A-PU Mouser Part # 556-ATMEGA644A-PU	Microchip Technology	8-bit Microcontrollers - MCU 20 MHz Ind Temp Learn More about Microchip Technology microchip megaavr 8 bit mcus	Datasheet	12In Stock 390On Order	$7.67 $7.02 $6.36	Min.: 1 Mult.: 1	AVR	64 kB	4 kB	PDIP-40	20 MHz	10 bit	32 I/O	1.8 V	5.5 V	Through Hole	8 bit	- 40 C	+ 85 C	ATmega644	Tube
8-bit Microcontrollers - MCU 64K Flash 2K EEPROM 4K SRAM 32 IO Pins ATMEGA644PA-AU Microchip Technology 1: $8.37 214In Stock	Mfr. Part # ATMEGA644PA-AU Mouser Part # 556-ATMEGA644PA-AU	Microchip Technology	8-bit Microcontrollers - MCU 64K Flash 2K EEPROM 4K SRAM 32 IO Pins Learn More about Microchip Technology microchip megaavr 8 bit mcus	Datasheet	214In Stock	$8.37 $7.68 $6.97	Min.: 1 Mult.: 1	AVR	64 kB	4 kB	TQFP-44	20 MHz	10 bit	32 I/O	1.8 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	ATmega644	Tray