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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 AVR 4KB FL 256B EE 256B SRAM 20MHz 105C ATTINY44A-SSNR Microchip Technology 1: $1.03 4,597In Stock NRND	Mfr. Part No. ATTINY44A-SSNR Mouser Part No 556-ATTINY44A-SSNR NRND	Microchip Technology	8-bit Microcontrollers - MCU AVR 4KB FL 256B EE 256B SRAM 20MHz 105C Learn More about Microchip Technology microchip automotive 8bit mcus	Datasheet	4,597In Stock	Cut Tape $1.03 $0.995 Reel $0.85 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	AVR	4 kB	256 B	SOIC-14	20 MHz	10 bit	12 I/O	1.8 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 105 C	ATtiny44		Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU 1.8V, 20MHz Industrial Temp ATTINY44A-SSU Microchip Technology 1: $0.95 1,812In Stock NRND	Mfr. Part No. ATTINY44A-SSU Mouser Part No 556-ATTINY44A-SSU NRND	Microchip Technology	8-bit Microcontrollers - MCU 1.8V, 20MHz Industrial Temp Learn More about Microchip Technology microchip automotive 8bit mcus	Datasheet	1,812In Stock	$0.95 $0.87 $0.79	Min.: 1 Mult.: 1	AVR	4 kB	256 B	SOIC-14	20 MHz	10 bit	12 I/O	1.8 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	ATtiny44		Tube
8-bit Microcontrollers - MCU 4KB FLSH 256B EE256B SRAM-20MHz, IND ATTINY44A-SSUR Microchip Technology 1: $1.03 8,865In Stock NRND	Mfr. Part No. ATTINY44A-SSUR Mouser Part No 556-ATTINY44A-SSUR NRND	Microchip Technology	8-bit Microcontrollers - MCU 4KB FLSH 256B EE256B SRAM-20MHz, IND Learn More about Microchip Technology microchip automotive 8bit mcus	Datasheet	8,865In Stock	Cut Tape $1.03 $0.995 Reel $0.85 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	AVR	4 kB	256 B	SOIC-Narrow-14	20 MHz	10 bit	12 I/O	1.8 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	ATtiny44		Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU 4kB Flash 0.256kB EEPROM 6 I/O Pins ATTINY45-20SU Microchip Technology 1: $1.37 1,900In Stock NRND	Mfr. Part No. ATTINY45-20SU Mouser Part No 556-ATTINY45-20SU NRND	Microchip Technology	8-bit Microcontrollers - MCU 4kB Flash 0.256kB EEPROM 6 I/O Pins Learn More about Microchip Technology microchip automotive 8bit mcus	Datasheet	1,900In Stock	$1.37 $1.26 $1.13	Min.: 1 Mult.: 1	AVR	4 kB	256 B	SOIC-8	20 MHz	10 bit	6 I/O	2.7 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	ATtiny45		Tube
8-bit Microcontrollers - MCU AVR 4K FLSH 256B EE 256B SRAM ADC-20MHz ATTINY461A-SUR Microchip Technology 1: $1.49 1,968In Stock NRND	Mfr. Part No. ATTINY461A-SUR Mouser Part No 556-ATTINY461A-SUR NRND	Microchip Technology	8-bit Microcontrollers - MCU AVR 4K FLSH 256B EE 256B SRAM ADC-20MHz Learn More about Microchip Technology microchip automotive 8bit mcus	Datasheet	1,968In Stock	Cut Tape $1.49 $1.44 Reel $1.24	Min.: 1 Mult.: 1 : 1,000	AVR	4 kB	256 B	SOIC-20	20 MHz	10 bit	16 I/O	1.8 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	ATtinyx61A		Reel, Cut Tape
8-bit Microcontrollers - MCU AVR 8K FLSH 512B SRAM 512B EE-5V ATTINY84-20MU Microchip Technology 1: $2.60 1,026In Stock NRND	Mfr. Part No. ATTINY84-20MU Mouser Part No 556-ATTINY84-20MU NRND	Microchip Technology	8-bit Microcontrollers - MCU AVR 8K FLSH 512B SRAM 512B EE-5V Learn More about Microchip Technology microchip automotive 8bit mcus	Datasheet	1,026In Stock	$2.60 $2.39 $2.16	Min.: 1 Mult.: 1	AVR	8 kB	512 B	MLF-20	20 MHz	10 bit	12 I/O	2.7 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	ATtiny84		Tray
8-bit Microcontrollers - MCU AVR 8KB FLSH 512B EE 512B SRAM-20MHz 5V ATTINY84-20MUR Microchip Technology 1: $2.66 1,158In Stock NRND	Mfr. Part No. ATTINY84-20MUR Mouser Part No 556-ATTINY84-20MUR NRND	Microchip Technology	8-bit Microcontrollers - MCU AVR 8KB FLSH 512B EE 512B SRAM-20MHz 5V Learn More about Microchip Technology microchip automotive 8bit mcus	Datasheet	1,158In Stock	Cut Tape $2.66 $2.58 Reel $2.58 MouseReel Available	Min.: 1 Mult.: 1 : 6,000	AVR	8 kB	512 B	WQFN-20	20 MHz	10 bit	12 I/O	2.7 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	ATtiny84		Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU 20MHz Ind. Grade ATTINY84A-CCU Microchip Technology 1: $1.84 870In Stock NRND	Mfr. Part No. ATTINY84A-CCU Mouser Part No 556-ATTINY84A-CCU NRND	Microchip Technology	8-bit Microcontrollers - MCU 20MHz Ind. Grade Learn More about Microchip Technology microchip automotive 8bit mcus	Datasheet	870In Stock	$1.84 $1.67 $1.52	Min.: 1 Mult.: 1	AVR	8 kB	512 B	UFBGA-15	20 MHz	10 bit	12 I/O	1.8 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	ATtiny84		Tray
8-bit Microcontrollers - MCU 20MHz Ind Grade ATTINY84A-MMHR Microchip Technology 1: $1.22 3,700In Stock NRND	Mfr. Part No. ATTINY84A-MMHR Mouser Part No 556-ATTINY84A-MMHR NRND	Microchip Technology	8-bit Microcontrollers - MCU 20MHz Ind Grade Learn More about Microchip Technology microchip automotive 8bit mcus	Datasheet	3,700In Stock	Cut Tape $1.22 $1.20 Reel $1.20 MouseReel Available	Min.: 1 Mult.: 1 : 6,000	AVR	8 kB	512 B	VQFN-20	20 MHz	10 bit	12 I/O	1.8 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	ATtiny84		Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU 20MHz Ind. Grade ATTINY84A-PU Microchip Technology 1: $1.62 2,943In Stock NRND	Mfr. Part No. ATTINY84A-PU Mouser Part No 556-ATTINY84A-PU NRND	Microchip Technology	8-bit Microcontrollers - MCU 20MHz Ind. Grade Learn More about Microchip Technology microchip automotive 8bit mcus	Datasheet	2,943In Stock	$1.62 $1.49 $1.33	Min.: 1 Mult.: 1	AVR	8 kB	512 B	PDIP-14	20 MHz	10 bit	12 I/O	1.8 V	5.5 V	Through Hole	8 bit	- 40 C	+ 85 C	ATtiny84		Tube
8-bit Microcontrollers - MCU 20MHz Ind. Grade ATTINY84A-SSU Microchip Technology 1: $1.04 2,682In Stock NRND	Mfr. Part No. ATTINY84A-SSU Mouser Part No 556-ATTINY84A-SSU NRND	Microchip Technology	8-bit Microcontrollers - MCU 20MHz Ind. Grade Learn More about Microchip Technology microchip automotive 8bit mcus	Datasheet	2,682In Stock	$1.04 $0.94 $0.86	Min.: 1 Mult.: 1	AVR	8 kB	512 B	SOIC-14	20 MHz	10 bit	12 I/O	1.8 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	ATtiny84		Tube
8-bit Microcontrollers - MCU 20MHz, 32KB,VQFN20, Ind 125C, Green, T&R ATTINY3226-MFR Microchip Technology 1: $1.14 1,552In Stock	Mfr. Part No. ATTINY3226-MFR Mouser Part No 494-ATTINY3226-MFR	Microchip Technology	8-bit Microcontrollers - MCU 20MHz, 32KB,VQFN20, Ind 125C, Green, T&R Learn More about Microchip Technology microchip attiny3224 attiny3226 attiny3227 mcus	Datasheet	1,552In Stock	Cut Tape $1.14 $1.11 Reel $1.11	Min.: 1 Mult.: 1 : 6,000	AVR	32 kB	3 kB	VQFN-20	20 MHz	12 bit	18 I/O	1.8 V	5.5 V	SMD/SMT	8 bit/16 bit	- 40 C	+ 125 C			Reel, Cut Tape
8-bit Microcontrollers - MCU 64KB 20MHz 2.4V-5.5V AT89LP51ED2-20AAU Microchip Technology 1: $5.64 676In Stock	Mfr. Part No. AT89LP51ED2-20AAU Mouser Part No 556-AT89LP51ED220AAU	Microchip Technology	8-bit Microcontrollers - MCU 64KB 20MHz 2.4V-5.5V Learn More about Microchip Technology atmelat89lp52	Datasheet	676In Stock	$5.64 $5.15 $4.68	Min.: 1 Mult.: 1	8051	64 kB	256 B	LQFP-44	20 MHz	10 bit	36 I/O	2.4 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C			Tray
8-bit Microcontrollers - MCU 64KB 20MHz 2.4V-5.5V AT89LP51ID2-20AAU Microchip Technology 1: $6.03 267In Stock	Mfr. Part No. AT89LP51ID2-20AAU Mouser Part No 556-AT89LP51ID220AAU	Microchip Technology	8-bit Microcontrollers - MCU 64KB 20MHz 2.4V-5.5V Learn More about Microchip Technology atmelat89lp52	Datasheet	267In Stock	$6.03 $5.52 $5.00	Min.: 1 Mult.: 1	8051	64 kB	256 B	LQFP-44	20 MHz	10 bit	36 I/O	2.4 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C			Tray
8-bit Microcontrollers - MCU Single-Cycle 805132K ISP Flash,2.4-5.5V AT89LP51RC2-20AU Microchip Technology 1: $4.26 468In Stock	Mfr. Part No. AT89LP51RC2-20AU Mouser Part No 556-AT89LP51RC2-20AU	Microchip Technology	8-bit Microcontrollers - MCU Single-Cycle 805132K ISP Flash,2.4-5.5V Learn More about Microchip Technology atmelat89lp52	Datasheet	468In Stock	$4.26 $3.91 $3.53	Min.: 1 Mult.: 1	8051	32 kB	256 B	TQFP-44	20 MHz	10 bit	40 I/O	2.4 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C			Tray
8-bit Microcontrollers - MCU AVR 16KB FL 512B EE 1KB SRAM-20MHZ 5V ATMEGA168PA-MUR Microchip Technology 1: $2.30 4,002In Stock	Mfr. Part No. ATMEGA168PA-MUR Mouser Part No 556-ATMEGA168PA-MUR	Microchip Technology	8-bit Microcontrollers - MCU AVR 16KB FL 512B EE 1KB SRAM-20MHZ 5V	Datasheet	4,002In Stock	Cut Tape $2.30 $2.24 Reel $2.24 MouseReel Available	Min.: 1 Mult.: 1 : 6,000	AVR	16 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	ATmega168PA		Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU 16KB 512B 1KB 20 MHZ TQFP GRN ATMEGA168PB-AU Microchip Technology 1: $1.48 1,554In Stock	Mfr. Part No. ATMEGA168PB-AU Mouser Part No 556-ATMEGA168PB-AU	Microchip Technology	8-bit Microcontrollers - MCU 16KB 512B 1KB 20 MHZ TQFP GRN Learn More about Microchip Technology microchip automotive 8bit mcus	Datasheet	1,554In Stock	$1.48 $1.36 $1.23	Min.: 1 Mult.: 1	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		Tray
8-bit Microcontrollers - MCU 16KB 512B 1KB 20 MHZ QFN/MLF GRN 5V ATMEGA168PB-MU Microchip Technology 1: $1.45 6,745In Stock	Mfr. Part No. ATMEGA168PB-MU Mouser Part No 556-ATMEGA168PB-MU	Microchip Technology	8-bit Microcontrollers - MCU 16KB 512B 1KB 20 MHZ QFN/MLF GRN 5V Learn More about Microchip Technology microchip automotive 8bit mcus	Datasheet	6,745In Stock	$1.45 $1.33 $1.20	Min.: 1 Mult.: 1	AVR	16 kB	1 kB	VFQFN-32	20 MHz	10 bit	27 I/O	1.8 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 105 C	ATmega168PB		Tray
8-bit Microcontrollers - MCU 20MHz, 32KB, VQFN ATMEGA3208-MU Microchip Technology 1: $1.28 1,594In Stock	Mfr. Part No. ATMEGA3208-MU Mouser Part No 556-ATMEGA3208-MU	Microchip Technology	8-bit Microcontrollers - MCU 20MHz, 32KB, VQFN Learn More about Microchip Technology microchip atmega3208 microcontrollers	Datasheet	1,594In Stock	$1.28 $1.16 $1.05	Min.: 1 Mult.: 1	AVR	32 kB	4 kB	VQFN-32	20 MHz	10 bit	27 I/O	1.8 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	ATmega3208		Tray
8-bit Microcontrollers - MCU 20MHz, 32KB, ATMEGA3208-XFR Microchip Technology 1: $1.40 5,333In Stock	Mfr. Part No. ATMEGA3208-XFR Mouser Part No 556-ATMEGA3208-XFR	Microchip Technology	8-bit Microcontrollers - MCU 20MHz, 32KB, Learn More about Microchip Technology microchip atmega3208 microcontrollers	Datasheet	5,333In Stock	Cut Tape $1.40 $1.37 Reel $1.15	Min.: 1 Mult.: 1 : 2,100	AVR	32 kB	4 kB	SSOP-32	20 MHz	10 bit	23 I/O	1.8 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 125 C	ATmega3208		Reel, Cut Tape
8-bit Microcontrollers - MCU 20MHZ, TQFP, Extended TEMP, GREEN 5 V ATMEGA324PB-AN Microchip Technology 1: $2.23 1,425In Stock 3,200Expected 12/11/2026	Mfr. Part No. ATMEGA324PB-AN Mouser Part No 556-ATMEGA324PB-AN	Microchip Technology	8-bit Microcontrollers - MCU 20MHZ, TQFP, Extended TEMP, GREEN 5 V Learn More about Microchip Technology atmel atmega324pb mcu	Datasheet	1,425In Stock 3,200Expected 12/11/2026	$2.23 $2.05 $1.85	Min.: 1 Mult.: 1	AVR	32 kB	2 kB	TQFP-44	20 MHz	10 bit	39 I/O	1.8 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 105 C	ATmega324PB	AEC-Q100	Tray
8-bit Microcontrollers - MCU 20MHZ, TQFP, IND TEMP, GREEN 5 V ATMEGA324PB-AU Microchip Technology 1: $2.23 1,231In Stock 7,200Expected 22/12/2026	Mfr. Part No. ATMEGA324PB-AU Mouser Part No 556-ATMEGA324PBAU	Microchip Technology	8-bit Microcontrollers - MCU 20MHZ, TQFP, IND TEMP, GREEN 5 V Learn More about Microchip Technology atmel atmega324pb mcu	Datasheet	1,231In Stock 7,200Expected 22/12/2026	$2.23 $2.05 $1.85	Min.: 1 Mult.: 1	AVR	32 kB	2 kB	TQFP-44	20 MHz	10 bit	39 I/O	1.8 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	ATmega324PB	AEC-Q100	Tray
8-bit Microcontrollers - MCU AVR 32K FLSH 2K SRAM 1KB EE-20MHz IND,5V ATMEGA325P-20AUR Microchip Technology 1: $6.28 821In Stock	Mfr. Part No. ATMEGA325P-20AUR Mouser Part No 556-ATMEGA325P-20AUR	Microchip Technology	8-bit Microcontrollers - MCU AVR 32K FLSH 2K SRAM 1KB EE-20MHz IND,5V	Datasheet	821In Stock	Cut Tape $6.28 $6.11 Reel $5.21	Min.: 1 Mult.: 1 : 1,000	AVR	32 kB	2 kB	TQFP-64	20 MHz	10 bit	54 I/O	2.7 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	ATmega325P		Reel, Cut Tape
8-bit Microcontrollers - MCU ATMEGA328PB Extend TEMP T&R ATMEGA328PB-ANR Microchip Technology 1: $1.76 8,118In Stock 12,000Expected 28/12/2026	Mfr. Part No. ATMEGA328PB-ANR Mouser Part No 556-ATMEGA328PB-ANR	Microchip Technology	8-bit Microcontrollers - MCU ATMEGA328PB Extend TEMP T&R Learn More about Microchip Technology atmelatmega328	Datasheet	8,118In Stock 12,000Expected 28/12/2026	Cut Tape $1.76 $1.72 Reel $1.46 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	+ 105 C	ATmega328PB	AEC-Q100	Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU 64kB Flash 2kB EEPROM 32 I/O Pins ATMEGA644-20AU Microchip Technology 1: $6.86 329In Stock 2,400On Order	Mfr. Part No. ATMEGA644-20AU Mouser Part No 556-ATMEGA644-20AU	Microchip Technology	8-bit Microcontrollers - MCU 64kB Flash 2kB EEPROM 32 I/O Pins Learn More about Microchip Technology microchip atmega644pa mcus	Datasheet	329In Stock 2,400On Order On Order Ship Dates Mfr. No: ATMEGA644-20AU Stock: 329 Can Dispatch Immediately On Order: 960 Expected 25/01/2027 1,440 Expected 08/02/2027 Factory Lead Time: 20 Weeks	$6.86 $6.30 $5.71	Min.: 1 Mult.: 1	AVR	64 kB	4 kB	TQFP-44	20 MHz	10 bit	32 I/O	2.7 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	ATmega644		Tray