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20 MHz Microcontrollers - MCU

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Maximum Clock Frequency = 20 MHz

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (EUR) Filter the results in the table by unit price based on your quantity.	Qty.	Mounting Style	Package/Case	Core	Program Memory Size	Data Bus Width	ADC Resolution	Maximum Clock Frequency	Number of I/Os	Data RAM Size	Supply Voltage - Min	Supply Voltage - Max	Minimum Operating Temperature	Maximum Operating Temperature	Packaging
8-bit Microcontrollers - MCU SINGLE CYCLE 2K FLASH-20MHZ 2.4-5.5V AT89LP2052-20XU Microchip Technology 1: 2,38 € 8In Stock	Mfr. Part No. AT89LP2052-20XU Mouser Part No 556-A89LP2052-20XU	Microchip Technology	8-bit Microcontrollers - MCU SINGLE CYCLE 2K FLASH-20MHZ 2.4-5.5V	Datasheet	8In Stock	2,38 € 2,19 € 2,18 €	Min.: 1 Mult.: 1	SMD/SMT	TSSOP-20	8051	2 kB	8 bit		20 MHz	15 I/O	256 B	2.4 V	5.5 V	- 40 C	+ 85 C	Tube
8-bit Microcontrollers - MCU SINGLE CYCLE 4K FLASH-20MHZ 2.4-5.5V AT89LP4052-20PU Microchip Technology 1: 2,31 € 121In Stock 1.134Expected 10/2/2026	Mfr. Part No. AT89LP4052-20PU Mouser Part No 556-A89LP4052-20PU	Microchip Technology	8-bit Microcontrollers - MCU SINGLE CYCLE 4K FLASH-20MHZ 2.4-5.5V	Datasheet	121In Stock 1.134Expected 10/2/2026	2,31 € 2,12 €	Min.: 1 Mult.: 1	Through Hole	PDIP-20	8051	4 kB	8 bit	No ADC	20 MHz	15 I/O	256 B	2.4 V	5.5 V	- 40 C	+ 85 C	Tube
8-bit Microcontrollers - MCU Single Cycle 8051 4K ISP FL AT89LP51-20AU Microchip Technology 1: 1,48 € 130In Stock 480Expected 10/23/2026	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	130In Stock 480Expected 10/23/2026	1,48 € 1,34 € 1,23 €	Min.: 1 Mult.: 1	SMD/SMT	TQFP-44	8051	4 kB	8 bit	No ADC	20 MHz	36 I/O	256 B	2.4 V	5.5 V	- 40 C	+ 85 C	Tray
8-bit Microcontrollers - MCU 64KB 20MHz 2.4V-5.5V AT89LP51ED2-20PU Microchip Technology 1: 5,07 € 140In Stock	Mfr. Part No. AT89LP51ED2-20PU Mouser Part No 556-AT89LP51ED2-20PU	Microchip Technology	8-bit Microcontrollers - MCU 64KB 20MHz 2.4V-5.5V Learn More about Microchip Technology atmelat89lp52	Datasheet	140In Stock	5,07 € 4,64 € 4,21 €	Min.: 1 Mult.: 1	Through Hole	PDIP-40	8051	64 kB	8 bit	10 bit	20 MHz	40 I/O	256 B	2.4 V	5.5 V	- 40 C	+ 85 C	Tube
8-bit Microcontrollers - MCU 64KB 20MHz 2.4V-5.5V AT89LP51RD2-20PU Microchip Technology 1: 4,59 € 59In Stock 150Expected 10/23/2026	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	59In Stock 150Expected 10/23/2026	4,59 € 4,23 € 3,82 €	Min.: 1 Mult.: 1	Through Hole	PDIP-40	8051	64 kB	8 bit	10 bit	20 MHz	40 I/O	256 B	2.4 V	5.5 V	- 40 C	+ 85 C	Tube
ARM Microcontrollers - MCU LQFP GRN IND TMP MRLC AT91SAM7X128C-AU Microchip Technology 1: 8,64 € 124In Stock	Mfr. Part No. AT91SAM7X128C-AU Mouser Part No 556-AT91SAM7X128C-AU	Microchip Technology	ARM Microcontrollers - MCU LQFP GRN IND TMP MRLC	Datasheet	124In Stock	8,64 € 7,87 € 7,11 €	Min.: 1 Mult.: 1	SMD/SMT	LQFP-100	ARM7TDMI	128 kB	32 bit	10 bit	20 MHz	62 I/O	32 kB	1.65 V	1.95 V	- 40 C	+ 85 C	Tray
8-bit Microcontrollers - MCU 128KB Flash 20MHz 1.8V-5.5V ATMEGA1284P-PU Microchip Technology 1: 6,39 € 10In Stock 2.000On Order	Mfr. Part No. ATMEGA1284P-PU Mouser Part No 556-ATMEGA1284P-PU	Microchip Technology	8-bit Microcontrollers - MCU 128KB Flash 20MHz 1.8V-5.5V Learn More about Microchip Technology microchip megaavr 8 bit mcus	Datasheet	10In Stock 2.000On Order On Order Ship Dates Mfr. No: ATMEGA1284P-PU Stock: 10 Can Dispatch Immediately On Order: 800 Expected 1/4/2027 1.200 Expected 1/18/2027 Factory Lead Time: 7 Weeks	6,39 € 5,86 € 5,30 €	Min.: 1 Mult.: 1	Through Hole	PDIP-40	AVR	128 kB	8 bit	10 bit	20 MHz	32 I/O	16 kB	1.8 V	5.5 V	- 40 C	+ 85 C	Tube
8-bit Microcontrollers - MCU 20MHz, 16KB, TQFP ATMEGA1608-AU Microchip Technology 1: 1,10 € 1.136In 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	1.136In Stock	1,10 € 0,998 € 0,906 €	Min.: 1 Mult.: 1	SMD/SMT	TQFP-32	AVR	16 kB	8 bit	10 bit	20 MHz	27 I/O	2 kB	1.8 V	5.5 V	- 40 C	+ 85 C	Tray
8-bit Microcontrollers - MCU 20MHz, 16KB, TQFP ATMEGA1608-AUR Microchip Technology 1: 1,13 € 928In Stock	Mfr. Part No. ATMEGA1608-AUR Mouser Part No 556-ATMEGA1608-AUR	Microchip Technology	8-bit Microcontrollers - MCU 20MHz, 16KB, TQFP Learn More about Microchip Technology microchip atmega1608 mcu	Datasheet	928In Stock	Cut Tape 1,13 € 1,09 € Reel 0,929 €	Min.: 1 Mult.: 1 : 2.000	SMD/SMT	TQFP-32	AVR	16 kB	8 bit	10 bit	20 MHz	27 I/O	2 kB	1.8 V	5.5 V	- 40 C	+ 85 C	Reel, Cut Tape
8-bit Microcontrollers - MCU 20MHz, 16KB, TQFP ATMEGA1609-AU Microchip Technology 1: 1,33 € 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	1,33 € 1,21 € 1,11 €	Min.: 1 Mult.: 1	SMD/SMT	TQFP-48	AVR	16 kB	8 bit	10 bit	20 MHz	41 I/O	2 kB	1.8 V	5.5 V	- 40 C	+ 85 C	Tray
8-bit Microcontrollers - MCU 20 MHZ, TQFP, 105C, GREEN T&R ATMEGA168PB-ANR Microchip Technology 1: 1,40 € 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 1,40 € 1,38 € Reel 1,16 €	Min.: 1 Mult.: 1 : 2.000	SMD/SMT	TQFP-32	AVR	16 kB	8 bit	10 bit	20 MHz	27 I/O	1 kB	1.8 V	5.5 V	- 40 C	+ 105 C	Reel, Cut Tape
8-bit Microcontrollers - MCU AVR 32K FL 2K SRAM 1KB EE 20MHz Ind Grn ATMEGA325PA-AU Microchip Technology 1: 4,56 € 104In 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	104In Stock	4,56 € 4,18 € 3,80 €	Min.: 1 Mult.: 1	SMD/SMT	TQFP-64	AVR	32 kB	8 bit	10 bit	20 MHz	54 I/O	2 kB	1.8 V	5.5 V	- 40 C	+ 85 C	Tray
8-bit Microcontrollers - MCU AVR 32K FL 2K SRAM 1KB EE 20 MHZ GRN ATMEGA3290A-AU Microchip Technology 1: 5,15 € 243In 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	243In Stock	5,15 € 4,74 € 4,28 €	Min.: 1 Mult.: 1	SMD/SMT	TQFP-100	AVR	32 kB	8 bit	10 bit	20 MHz	54 I/O	2 kB	1.8 V	5.5 V	- 40 C	+ 85 C	Tray
8-bit Microcontrollers - MCU 20MHz, 48KB, TQFP ATMEGA4808-AU Microchip Technology 1: 1,35 € 498In 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	498In Stock	1,35 € 1,23 € 1,12 €	Min.: 1 Mult.: 1	SMD/SMT	TQFP-32	AVR	48 kB	8 bit	10 bit	20 MHz	27 I/O	6 kB	1.8 V	5.5 V	- 40 C	+ 85 C	Tray
8-bit Microcontrollers - MCU 20MHz, 48KB, SOIC ATMEGA4808-XF Microchip Technology 1: 1,31 € 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	1,31 € 1,19 € 1,08 €	Min.: 1 Mult.: 1	SMD/SMT	SSOP-28	AVR	48 kB	8 bit	10 bit	20 MHz	23 I/O	6 kB	1.8 V	5.5 V	- 40 C	+ 125 C	Tube
8-bit Microcontrollers - MCU 20MHz, 48KB, QFN ATMEGA4809-MU Microchip Technology 1: 1,51 € 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	1,51 € 1,38 € 1,25 €	Min.: 1 Mult.: 1	SMD/SMT	VQFN-48	AVR	48 kB	8 bit	10 bit	20 MHz	41 I/O	6 kB	1.8 V	5.5 V	- 40 C	+ 85 C	Tray
8-bit Microcontrollers - MCU Mega AVR 0-Series, 20MHz, 48KB, PDIP-40 ATMEGA4809-PF Microchip Technology 1: 2,67 € 294In 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	294In Stock	2,67 € 2,44 € 2,20 €	Min.: 1 Mult.: 1	Through Hole	PDIP-40	AVR	48 kB	8 bit	10 bit	20 MHz	33 I/O	6 kB	1.8 V	5.5 V	- 40 C	+ 125 C	Tube
8-bit Microcontrollers - MCU AVR 4KB FLASH 20 MHZ,IND TEMP ATMEGA48PA-MU Microchip Technology 1: 1,39 € 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	1,39 € 1,28 € 1,16 €	Min.: 1 Mult.: 1	SMD/SMT	QFN-32	AVR	4 kB	8 bit	10 bit	20 MHz	23 I/O	512 B	1.8 V	5.5 V	- 40 C	+ 85 C	Tray
8-bit Microcontrollers - MCU 20 MHZ, TQFP, 105C, GREEN ATMEGA48PB-AN Microchip Technology 1: 1,21 € 488In Stock	Mfr. Part No. ATMEGA48PB-AN Mouser Part No 556-ATMEGA48PB-AN	Microchip Technology	8-bit Microcontrollers - MCU 20 MHZ, TQFP, 105C, GREEN	Datasheet	488In Stock	1,21 € 1,11 € 1,01 €	Min.: 1 Mult.: 1	SMD/SMT	TQFP-32	AVR	4 kB	8 bit	10 bit	20 MHz	27 I/O	512 B	1.8 V	5.5 V	- 40 C	+ 105 C	Tray
8-bit Microcontrollers - MCU 64kB Flash 2kB EEPROM 32 I/O Pins ATMEGA644-20PU Microchip Technology 1: 6,28 € 79In Stock	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	79In Stock	6,28 € 5,74 € 5,20 €	Min.: 1 Mult.: 1	Through Hole	PDIP-40	AVR	64 kB	8 bit	10 bit	20 MHz	32 I/O	4 kB	2.7 V	5.5 V	- 40 C	+ 85 C	Tube
8-bit Microcontrollers - MCU 20 MHz Ind Temp ATMEGA644A-PU Microchip Technology 1: 5,07 € 12In Stock 390Expected 11/16/2026	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 390Expected 11/16/2026	5,07 € 4,64 € 4,21 €	Min.: 1 Mult.: 1	Through Hole	PDIP-40	AVR	64 kB	8 bit	10 bit	20 MHz	32 I/O	4 kB	1.8 V	5.5 V	- 40 C	+ 85 C	Tube
8-bit Microcontrollers - MCU AVR 64KB FLSH 2KB EE 4KB RAM-20MHz IND ATMEGA644PA-AUR Microchip Technology 1: 5,68 € 95In Stock 4.000On Order	Mfr. Part No. ATMEGA644PA-AUR Mouser Part No 556-ATMEGA644PA-AUR	Microchip Technology	8-bit Microcontrollers - MCU AVR 64KB FLSH 2KB EE 4KB RAM-20MHz IND Learn More about Microchip Technology microchip megaavr 8 bit mcus	Datasheet	95In Stock 4.000On Order	Cut Tape 5,68 € 5,55 € Reel 4,71 € MouseReel Available	Min.: 1 Mult.: 1 : 2.000	SMD/SMT	TQFP-44	AVR	64 kB	8 bit	10 bit	20 MHz	32 I/O	4 kB	1.8 V	5.5 V	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU 64K Flash 2K EEPROM 4K SRAM 32 IO Pins ATMEGA644PA-MU Microchip Technology 1: 5,54 € 71In Stock 720Expected 9/29/2026	Mfr. Part No. ATMEGA644PA-MU Mouser Part No 556-ATMEGA644PA-MU	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	71In Stock 720Expected 9/29/2026	5,54 € 5,08 € 4,61 €	Min.: 1 Mult.: 1	SMD/SMT	QFN-44	AVR	64 kB	8 bit	10 bit	20 MHz	32 I/O	4 kB	1.8 V	5.5 V	- 40 C	+ 85 C	Tray
8-bit Microcontrollers - MCU 20MHz, 8KB, QFN ATMEGA808-MU Microchip Technology 1: 0,86 € 981In Stock	Mfr. Part No. ATMEGA808-MU Mouser Part No 556-ATMEGA808-MU	Microchip Technology	8-bit Microcontrollers - MCU 20MHz, 8KB, QFN Learn More about Microchip Technology microchip atmega808 mcu	Datasheet	981In Stock	0,86 € 0,783 € 0,715 €	Min.: 1 Mult.: 1	SMD/SMT	VQFN-32	AVR	8 kB	8 bit	10 bit	20 MHz	27 I/O	1 kB	1.8 V	5.5 V	- 40 C	+ 125 C	Tray
8-bit Microcontrollers - MCU 20MHz, 8KB, SOIC ATMEGA808-XU Microchip Technology 1: 0,834 € 1.319In 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	1.319In Stock	0,834 € 0,757 € 0,688 €	Min.: 1 Mult.: 1	SMD/SMT	SSOP-28	AVR	8 kB	8 bit	10 bit	20 MHz	23 I/O	1 kB	1.8 V	5.5 V	- 40 C	+ 125 C	Tube