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20 MHz 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	Qualification	Packaging
8-bit Microcontrollers - MCU 64KB 20MHz 2.4V-5.5V AT89LP51RD2-20PU Microchip Technology 1: $5.34 209In Stock	Mfr. Part No. AT89LP51RD2-20PU Mouser Part No 556-AT89LP51RD2-20PU	Microchip Technology	8-bit Microcontrollers - MCU 64KB 20MHz 2.4V-5.5V Learn More about Microchip Technology atmelat89lp52	Datasheet	209In Stock	$5.34 $4.92 $4.44	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 Single-Cycle 8051 8K ISP Flash MCU AT89LP52-20JU Microchip Technology 1: $3.45 103In Stock	Mfr. Part No. AT89LP52-20JU Mouser Part No 556-AT89LP52-20JU	Microchip Technology	8-bit Microcontrollers - MCU Single-Cycle 8051 8K ISP Flash MCU Learn More about Microchip Technology atmelat89lp52	Datasheet	103In Stock	$3.45 $3.16 $3.12	Min.: 1 Mult.: 1	8051	8 kB	256 B	PLCC-44	20 MHz	No ADC	36 I/O	2.4 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C			Tube
8-bit Microcontrollers - MCU 20MHz, 16KB, TQFP ATMEGA1608-AU Microchip Technology 1: $1.28 1,046In Stock	Mfr. Part No. ATMEGA1608-AU Mouser Part No 556-ATMEGA1608-AU	Microchip Technology	8-bit Microcontrollers - MCU 20MHz, 16KB, TQFP Learn More about Microchip Technology microchip atmega1608 mcu	Datasheet	1,046In Stock	$1.28 $1.16 $1.05	Min.: 1 Mult.: 1	AVR	16 kB	2 kB	TQFP-32	20 MHz	10 bit	27 I/O	1.8 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	ATmega1608		Tray
8-bit Microcontrollers - MCU 20MHz, 16KB, TQFP ATMEGA1609-AU Microchip Technology 1: $1.55 675In Stock	Mfr. Part No. ATMEGA1609-AU Mouser Part No 556-ATMEGA1609-AU	Microchip Technology	8-bit Microcontrollers - MCU 20MHz, 16KB, TQFP Learn More about Microchip Technology microchip atmega1609 mcu	Datasheet	675In Stock	$1.55 $1.41 $1.28	Min.: 1 Mult.: 1	AVR	16 kB	2 kB	TQFP-48	20 MHz	10 bit	41 I/O	1.8 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	ATmega1609		Tray
8-bit Microcontrollers - MCU 20 MHZ, TQFP, 105C, GREEN T&R ATMEGA168PB-ANR Microchip Technology 1: $1.63 320In Stock	Mfr. Part No. ATMEGA168PB-ANR Mouser Part No 556-ATMEGA168PB-ANR	Microchip Technology	8-bit Microcontrollers - MCU 20 MHZ, TQFP, 105C, GREEN T&R Learn More about Microchip Technology microchip automotive 8bit mcus	Datasheet	320In Stock	Cut Tape $1.63 $1.60 Reel $1.35	Min.: 1 Mult.: 1 : 2,000	AVR	16 kB	1 kB	TQFP-32	20 MHz	10 bit	27 I/O	1.8 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 105 C	ATmega168PB		Reel, Cut Tape
8-bit Microcontrollers - MCU AVR 32K FL 2K SRAM 1KB EE 20MHz Ind Grn ATMEGA325PA-AU Microchip Technology 1: $5.30 94In Stock	Mfr. Part No. ATMEGA325PA-AU Mouser Part No 556-ATMEGA325PA-AU	Microchip Technology	8-bit Microcontrollers - MCU AVR 32K FL 2K SRAM 1KB EE 20MHz Ind Grn	Datasheet	94In Stock	$5.30 $4.86 $4.42	Min.: 1 Mult.: 1	AVR	32 kB	2 kB	TQFP-64	20 MHz	10 bit	54 I/O	1.8 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	ATmega325PA		Tray
8-bit Microcontrollers - MCU ATMEGA328PB IND TEMP T&R ATMEGA328PB-AUR Microchip Technology 1: $1.70 3In Stock 28,000Expected 19/03/2027	Mfr. Part No. ATMEGA328PB-AUR Mouser Part No 556-ATMEGA328PB-AUR	Microchip Technology	8-bit Microcontrollers - MCU ATMEGA328PB IND TEMP T&R Learn More about Microchip Technology atmelatmega328	Datasheet	3In Stock 28,000Expected 19/03/2027	Cut Tape $1.70 $1.66 Reel $1.41 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	AVR	32 kB	2 kB	TQFP-32	20 MHz	10 bit	27 I/O	1.8 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	ATmega328PB	AEC-Q100	Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU AVR 32K FL 2K SRAM 1KB EE 20 MHZ GRN ATMEGA3290A-AU Microchip Technology 1: $5.99 242In Stock	Mfr. Part No. ATMEGA3290A-AU Mouser Part No 556-ATMEGA3290A-AU	Microchip Technology	8-bit Microcontrollers - MCU AVR 32K FL 2K SRAM 1KB EE 20 MHZ GRN	Datasheet	242In Stock	$5.99 $5.51 $4.98	Min.: 1 Mult.: 1	AVR	32 kB	2 kB	TQFP-100	20 MHz	10 bit	54 I/O	1.8 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	ATmega3290A		Tray
8-bit Microcontrollers - MCU 20MHz, 48KB, TQFP ATMEGA4808-AF Microchip Technology 1: $1.74 412In Stock	Mfr. Part No. ATMEGA4808-AF Mouser Part No 556-ATMEGA4808-AF	Microchip Technology	8-bit Microcontrollers - MCU 20MHz, 48KB, TQFP Learn More about Microchip Technology microchip atmega4808 microcontrollers	Datasheet	412In Stock	$1.74 $1.58 $1.44	Min.: 1 Mult.: 1	AVR	48 kB	6 kB	TQFP-32	20 MHz	10 bit	27 I/O	1.8 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 125 C	ATmega4808		Tray
8-bit Microcontrollers - MCU 20MHz, 48KB, TQFP ATMEGA4808-AU Microchip Technology 1: $1.57 493In Stock	Mfr. Part No. ATMEGA4808-AU Mouser Part No 556-ATMEGA4808-AU	Microchip Technology	8-bit Microcontrollers - MCU 20MHz, 48KB, TQFP Learn More about Microchip Technology microchip atmega4808 microcontrollers	Datasheet	493In Stock	$1.57 $1.43 $1.30	Min.: 1 Mult.: 1	AVR	48 kB	6 kB	TQFP-32	20 MHz	10 bit	27 I/O	1.8 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	ATmega4808		Tray
8-bit Microcontrollers - MCU 20MHz, 48KB, SOIC ATMEGA4808-XF Microchip Technology 1: $1.52 137In Stock	Mfr. Part No. ATMEGA4808-XF Mouser Part No 556-ATMEGA4808-XF	Microchip Technology	8-bit Microcontrollers - MCU 20MHz, 48KB, SOIC Learn More about Microchip Technology microchip atmega4808 microcontrollers	Datasheet	137In Stock	$1.52 $1.38 $1.25	Min.: 1 Mult.: 1	AVR	48 kB	6 kB	SSOP-28	20 MHz	10 bit	23 I/O	1.8 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 125 C	ATmega4808		Tube
8-bit Microcontrollers - MCU 20MHz, 48KB, TQFP ATMEGA4809-AU Microchip Technology 1: $1.74 691In Stock 1,000Expected 11/11/2026	Mfr. Part No. ATMEGA4809-AU Mouser Part No 556-ATMEGA4809-AU	Microchip Technology	8-bit Microcontrollers - MCU 20MHz, 48KB, TQFP Learn More about Microchip Technology microchip atmega4809 microcontroller	Datasheet	691In Stock 1,000Expected 11/11/2026	$1.74 $1.58 $1.44	Min.: 1 Mult.: 1	AVR	48 kB	6 kB	TQFP-48	20 MHz	10 bit	41 I/O	1.8 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	ATmega4809		Tray
8-bit Microcontrollers - MCU 20MHz, 48KB, QFN ATMEGA4809-MU Microchip Technology 1: $1.76 332In Stock	Mfr. Part No. ATMEGA4809-MU Mouser Part No 556-ATMEGA4809-MU	Microchip Technology	8-bit Microcontrollers - MCU 20MHz, 48KB, QFN Learn More about Microchip Technology microchip atmega4809 microcontroller	Datasheet	332In Stock	$1.76 $1.60 $1.45	Min.: 1 Mult.: 1	AVR	48 kB	6 kB	VQFN-48	20 MHz	10 bit	41 I/O	1.8 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	ATmega4809		Tray
8-bit Microcontrollers - MCU Mega AVR 0-Series, 20MHz, 48KB, PDIP-40 ATMEGA4809-PF Microchip Technology 1: $3.10 277In Stock	Mfr. Part No. ATMEGA4809-PF Mouser Part No 556-ATMEGA4809-PF	Microchip Technology	8-bit Microcontrollers - MCU Mega AVR 0-Series, 20MHz, 48KB, PDIP-40 Learn More about Microchip Technology microchip atmega4809 microcontroller	Datasheet	277In Stock	$3.10 $2.84 $2.56	Min.: 1 Mult.: 1	AVR	48 kB	6 kB	PDIP-40	20 MHz	10 bit	33 I/O	1.8 V	5.5 V	Through Hole	8 bit	- 40 C	+ 125 C	ATmega4809		Tube
8-bit Microcontrollers - MCU AVR 4KB FLASH 20 MHZ,IND TEMP ATMEGA48PA-MU Microchip Technology 1: $1.62 86In Stock	Mfr. Part No. ATMEGA48PA-MU Mouser Part No 556-ATMEGA48PA-MU	Microchip Technology	8-bit Microcontrollers - MCU AVR 4KB FLASH 20 MHZ,IND TEMP	Datasheet	86In Stock	$1.62 $1.49 $1.34	Min.: 1 Mult.: 1	AVR	4 kB	512 B	QFN-32	20 MHz	10 bit	23 I/O	1.8 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	ATmega48PA		Tray
8-bit Microcontrollers - MCU 20 MHZ, TQFP, 105C, GREEN ATMEGA48PB-AN Microchip Technology 1: $1.41 238In Stock 750Expected 17/11/2026	Mfr. Part No. ATMEGA48PB-AN Mouser Part No 556-ATMEGA48PB-AN	Microchip Technology	8-bit Microcontrollers - MCU 20 MHZ, TQFP, 105C, GREEN	Datasheet	238In Stock 750Expected 17/11/2026	$1.41 $1.29 $1.17	Min.: 1 Mult.: 1	AVR	4 kB	512 B	TQFP-32	20 MHz	10 bit	27 I/O	1.8 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 105 C	ATmega48PB		Tray
8-bit Microcontrollers - MCU 64kB Flash 2kB EEPROM 32 I/O Pins ATMEGA644-20PU Microchip Technology 1: $7.30 29In Stock 110Expected 17/11/2026	Mfr. Part No. ATMEGA644-20PU Mouser Part No 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 17/11/2026	$7.30 $6.68 $6.05	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: $5.90 12In Stock 390On Order	Mfr. Part No. ATMEGA644A-PU Mouser Part No 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	$5.90 $5.40 $4.89	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: $6.44 214In Stock	Mfr. Part No. ATMEGA644PA-AU Mouser Part No 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	$6.44 $5.91 $5.36	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
8-bit Microcontrollers - MCU 20MHz, 8KB, SOIC ATMEGA808-XU Microchip Technology 1: $0.97 1,249In Stock	Mfr. Part No. ATMEGA808-XU Mouser Part No 556-ATMEGA808-XU	Microchip Technology	8-bit Microcontrollers - MCU 20MHz, 8KB, SOIC Learn More about Microchip Technology microchip atmega808 mcu	Datasheet	1,249In Stock	$0.97 $0.88 $0.80	Min.: 1 Mult.: 1	AVR	8 kB	1 kB	SSOP-28	20 MHz	10 bit	23 I/O	1.8 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 125 C	ATmega808		Tube
8-bit Microcontrollers - MCU 20MHz, 8KB, TQFP ATMEGA809-AF Microchip Technology 1: $1.59 463In Stock	Mfr. Part No. ATMEGA809-AF Mouser Part No 556-ATMEGA809-AF	Microchip Technology	8-bit Microcontrollers - MCU 20MHz, 8KB, TQFP Learn More about Microchip Technology microchip atmega809 mcu	Datasheet	463In Stock	$1.59 $1.44 $1.31	Min.: 1 Mult.: 1	AVR	8 kB	1 kB	TQFP-48	20 MHz	10 bit	41 I/O	1.8 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 125 C			Tray
8-bit Microcontrollers - MCU 1.8V - 5.5V 20MHz 8KB Programmable ATMEGA88PA-MU Microchip Technology 1: $1.73 286In Stock 1,960Expected 01/03/2027	Mfr. Part No. ATMEGA88PA-MU Mouser Part No 556-ATMEGA88PA-MU	Microchip Technology	8-bit Microcontrollers - MCU 1.8V - 5.5V 20MHz 8KB Programmable	Datasheet	286In Stock 1,960Expected 01/03/2027	$1.73 $1.59 $1.42	Min.: 1 Mult.: 1	AVR	8 kB	1 kB	QFN-32	20 MHz	10 bit	23 I/O	1.8 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	ATmega88PA		Tray
8-bit Microcontrollers - MCU AVR 8KB FLSH 512B EE 1KB SRAM-20MHZ ATMEGA88PA-MUR Microchip Technology 1: $1.84 68In Stock	Mfr. Part No. ATMEGA88PA-MUR Mouser Part No 556-ATMEGA88PA-MUR	Microchip Technology	8-bit Microcontrollers - MCU AVR 8KB FLSH 512B EE 1KB SRAM-20MHZ	Datasheet	68In Stock	Cut Tape $1.84 $1.78 Reel $1.78	Min.: 1 Mult.: 1 : 6,000	AVR	8 kB	1 kB	VQFN-32	20 MHz	10 bit	23 I/O	1.8 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	ATmega88PA		Reel, Cut Tape
8-bit Microcontrollers - MCU 20 MHZ, TQFP, 105C, GREEN, T&R ATMEGA88PB-ANR Microchip Technology 1: $1.54 401In Stock	Mfr. Part No. ATMEGA88PB-ANR Mouser Part No 556-ATMEGA88PB-ANR	Microchip Technology	8-bit Microcontrollers - MCU 20 MHZ, TQFP, 105C, GREEN, T&R Learn More about Microchip Technology microchip automotive 8bit mcus	Datasheet	401In Stock	Cut Tape $1.54 $1.50 Reel $1.28	Min.: 1 Mult.: 1 : 2,000	AVR	8 kB	1 kB	TQFP-32	20 MHz	10 bit	27 I/O	1.8 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	ATmega88PB		Reel, Cut Tape
8-bit Microcontrollers - MCU 8KB 512B 1KB 20 MHZ QFN/MLF GRN ATMEGA88PB-MU Microchip Technology 1: $1.35 760In Stock	Mfr. Part No. ATMEGA88PB-MU Mouser Part No 556-ATMEGA88PB-MU	Microchip Technology	8-bit Microcontrollers - MCU 8KB 512B 1KB 20 MHZ QFN/MLF GRN Learn More about Microchip Technology microchip automotive 8bit mcus	Datasheet	760In Stock	$1.35 $1.24 $1.12	Min.: 1 Mult.: 1	AVR	8 kB	1 kB	VFQFN-32	20 MHz	10 bit	27 I/O	1.8 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	ATmega88PB		Tray