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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 (SGD) 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	Qualification	Packaging
8-bit Microcontrollers - MCU 4kB Flash 0.256kB EEPROM 12 I/O Pins ATTINY44-20SSU Microchip Technology 1: $2.98 332In Stock NRND	Mfr. Part No. ATTINY44-20SSU Mouser Part No 556-ATTINY44-20SSU NRND	Microchip Technology	8-bit Microcontrollers - MCU 4kB Flash 0.256kB EEPROM 12 I/O Pins Learn More about Microchip Technology microchip automotive 8bit mcus	Datasheet	332In Stock	$2.98 $2.73 $2.49	Min.: 1 Mult.: 1	SMD/SMT	SOIC-Narrow-14	AVR	4 kB	8 bit	10 bit	20 MHz	12 I/O	256 B	2.7 V	5.5 V	- 40 C	+ 85 C		Tube
8-bit Microcontrollers - MCU 1.8V, 20MHz Industrial Temp ATTINY44A-MMH Microchip Technology 1: $1.29 1,979In Stock NRND	Mfr. Part No. ATTINY44A-MMH Mouser Part No 556-ATTINY44A-MMH NRND	Microchip Technology	8-bit Microcontrollers - MCU 1.8V, 20MHz Industrial Temp Learn More about Microchip Technology microchip automotive 8bit mcus	Datasheet	1,979In Stock	$1.29 $1.18 $1.07	Min.: 1 Mult.: 1	SMD/SMT	VQFN-20	AVR	4 kB	8 bit	10 bit	20 MHz	12 I/O	256 B	1.8 V	5.5 V	- 40 C	+ 85 C		Tray
8-bit Microcontrollers - MCU 1.8V, 20MHz Industrial Temp ATTINY44A-MU Microchip Technology 1: $1.28 464In Stock NRND	Mfr. Part No. ATTINY44A-MU Mouser Part No 556-ATTINY44A-MU NRND	Microchip Technology	8-bit Microcontrollers - MCU 1.8V, 20MHz Industrial Temp Learn More about Microchip Technology microchip automotive 8bit mcus	Datasheet	464In Stock	$1.28 $1.17 $1.06	Min.: 1 Mult.: 1	SMD/SMT	QFN-20	AVR	4 kB	8 bit	10 bit	20 MHz	12 I/O	256 B	1.8 V	5.5 V	- 40 C	+ 85 C		Tray
8-bit Microcontrollers - MCU 4KB FL 256B EE 256B SRAM 20MHz Hi +125C ATTINY44A-SSFR Microchip Technology 1: $1.40 3,000In Stock NRND	Mfr. Part No. ATTINY44A-SSFR Mouser Part No 556-ATTINY44A-SSFR NRND	Microchip Technology	8-bit Microcontrollers - MCU 4KB FL 256B EE 256B SRAM 20MHz Hi +125C Learn More about Microchip Technology microchip automotive 8bit mcus	Datasheet	3,000In Stock	Cut Tape $1.40 $1.35 Reel $1.16 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	SOIC-14	AVR	4 kB	8 bit		20 MHz		256 B	1.8 V	5.5 V	- 40 C	+ 125 C		Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU AVR 4KB FL 256B EE 256B SRAM 20MHz 105C ATTINY44A-SSNR Microchip Technology 1: $1.40 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 $1.40 $1.35 $1.23 $1.22 Reel $1.16 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	SOIC-14	AVR	4 kB	8 bit	10 bit	20 MHz	12 I/O	256 B	1.8 V	5.5 V	- 40 C	+ 105 C		Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU 1.8V, 20MHz Industrial Temp ATTINY44A-SSU Microchip Technology 1: $1.29 1,962In 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	1,962In Stock	$1.29 $1.18 $1.07	Min.: 1 Mult.: 1	SMD/SMT	SOIC-14	AVR	4 kB	8 bit	10 bit	20 MHz	12 I/O	256 B	1.8 V	5.5 V	- 40 C	+ 85 C		Tube
8-bit Microcontrollers - MCU 4KB FLSH 256B EE256B SRAM-20MHz, IND ATTINY44A-SSUR Microchip Technology 1: $1.40 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 $1.40 $1.35 Reel $1.16 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	SOIC-Narrow-14	AVR	4 kB	8 bit	10 bit	20 MHz	12 I/O	256 B	1.8 V	5.5 V	- 40 C	+ 85 C		Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU 4kB Flash 0.256kB EEPROM 6 I/O Pins ATTINY45-20SU Microchip Technology 1: $1.86 1,951In 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	1,951In Stock	$1.86 $1.71 $1.54	Min.: 1 Mult.: 1	SMD/SMT	SOIC-8	AVR	4 kB	8 bit	10 bit	20 MHz	6 I/O	256 B	2.7 V	5.5 V	- 40 C	+ 85 C		Tube
8-bit Microcontrollers - MCU AVR 4K FLSH 256B EE 256B SRAM ADC-20MHz ATTINY461A-SUR Microchip Technology 1: $2.03 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 $2.03 $1.96 Reel $1.69	Min.: 1 Mult.: 1 : 1,000	SMD/SMT	SOIC-20	AVR	4 kB	8 bit	10 bit	20 MHz	16 I/O	256 B	1.8 V	5.5 V	- 40 C	+ 85 C		Reel, Cut Tape
8-bit Microcontrollers - MCU AVR 8K FLSH 512B SRAM 512B EE-5V ATTINY84-20MU Microchip Technology 1: $3.54 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	$3.54 $3.25 $2.94	Min.: 1 Mult.: 1	SMD/SMT	MLF-20	AVR	8 kB	8 bit	10 bit	20 MHz	12 I/O	512 B	2.7 V	5.5 V	- 40 C	+ 85 C		Tray
8-bit Microcontrollers - MCU AVR 8KB FLSH 512B EE 512B SRAM-20MHz 5V ATTINY84-20MUR Microchip Technology 1: $3.62 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 $3.62 $3.51 Reel $3.51 MouseReel Available	Min.: 1 Mult.: 1 : 6,000	SMD/SMT	WQFN-20	AVR	8 kB	8 bit	10 bit	20 MHz	12 I/O	512 B	2.7 V	5.5 V	- 40 C	+ 85 C		Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU 20MHz Ind. Grade ATTINY84A-CCU Microchip Technology 1: $2.50 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	$2.50 $2.27 $2.07 $2.05	Min.: 1 Mult.: 1	SMD/SMT	UFBGA-15	AVR	8 kB	8 bit	10 bit	20 MHz	12 I/O	512 B	1.8 V	5.5 V	- 40 C	+ 85 C		Tray
8-bit Microcontrollers - MCU 20MHz Ind Grade ATTINY84A-MMHR Microchip Technology 1: $1.66 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 $1.66 $1.63 Reel $1.63 MouseReel Available	Min.: 1 Mult.: 1 : 6,000	SMD/SMT	VQFN-20	AVR	8 kB	8 bit	10 bit	20 MHz	12 I/O	512 B	1.8 V	5.5 V	- 40 C	+ 85 C		Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU 20MHz Ind. Grade ATTINY84A-PU Microchip Technology 1: $2.20 2,949In 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	2,949In Stock	$2.20 $2.03 $1.81	Min.: 1 Mult.: 1	Through Hole	PDIP-14	AVR	8 kB	8 bit	10 bit	20 MHz	12 I/O	512 B	1.8 V	5.5 V	- 40 C	+ 85 C		Tube
8-bit Microcontrollers - MCU 20MHz Ind. Grade ATTINY84A-SSU Microchip Technology 1: $1.41 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	$1.41 $1.28 $1.17	Min.: 1 Mult.: 1	SMD/SMT	SOIC-14	AVR	8 kB	8 bit	10 bit	20 MHz	12 I/O	512 B	1.8 V	5.5 V	- 40 C	+ 85 C		Tube
8-bit Microcontrollers - MCU 20MHz, 32KB,VQFN20, Ind 125C, Green, T&R ATTINY3226-MFR Microchip Technology 1: $1.55 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 $1.55 $1.51 Reel $1.51	Min.: 1 Mult.: 1 : 6,000	SMD/SMT	VQFN-20	AVR	32 kB	8 bit/16 bit	12 bit	20 MHz	18 I/O	3 kB	1.8 V	5.5 V	- 40 C	+ 125 C		Reel, Cut Tape
8-bit Microcontrollers - MCU 64KB 20MHz 2.4V-5.5V AT89LP51ED2-20AAU Microchip Technology 1: $7.67 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	$7.67 $7.00 $6.36	Min.: 1 Mult.: 1	SMD/SMT	LQFP-44	8051	64 kB	8 bit	10 bit	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 AT89LP51ID2-20AAU Microchip Technology 1: $8.20 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	$8.20 $8.00	Min.: 1 Mult.: 1	SMD/SMT	LQFP-44	8051	64 kB	8 bit	10 bit	20 MHz	36 I/O	256 B	2.4 V	5.5 V	- 40 C	+ 85 C		Tray
8-bit Microcontrollers - MCU Single-Cycle 805132K ISP Flash,2.4-5.5V AT89LP51RC2-20AU Microchip Technology 1: $5.79 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	$5.79 $5.32 $4.80	Min.: 1 Mult.: 1	SMD/SMT	TQFP-44	8051	32 kB	8 bit	10 bit	20 MHz	40 I/O	256 B	2.4 V	5.5 V	- 40 C	+ 85 C		Tray
8-bit Microcontrollers - MCU AVR 16KB FL 512B EE 1KB SRAM-20MHZ 5V ATMEGA168PA-MUR Microchip Technology 1: $2.77 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 $2.77 $2.76 $2.71 $2.69 View Reel $2.58 $2.68 $2.67 $2.65 $2.58 $2.58 MouseReel Available	Min.: 1 Mult.: 1 : 6,000	SMD/SMT	QFN-32	AVR	16 kB	8 bit	10 bit	20 MHz	23 I/O	1 kB	1.8 V	5.5 V	- 40 C	+ 85 C		Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU 16KB 512B 1KB 20 MHZ TQFP GRN ATMEGA168PB-AU Microchip Technology 1: $2.05 1,584In 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	1,584In Stock	$2.05 $1.89 $1.71 $1.67	Min.: 1 Mult.: 1	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		Tray
8-bit Microcontrollers - MCU 16KB 512B 1KB 20 MHZ QFN/MLF GRN 5V ATMEGA168PB-MU Microchip Technology 1: $1.97 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	$1.97 $1.81 $1.63	Min.: 1 Mult.: 1	SMD/SMT	VFQFN-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		Tray
8-bit Microcontrollers - MCU 20MHz, 32KB, VQFN ATMEGA3208-MU Microchip Technology 1: $1.74 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	$1.74 $1.58 $1.43 $1.41	Min.: 1 Mult.: 1	SMD/SMT	VQFN-32	AVR	32 kB	8 bit	10 bit	20 MHz	27 I/O	4 kB	1.8 V	5.5 V	- 40 C	+ 85 C		Tray
8-bit Microcontrollers - MCU 20MHz, 32KB, ATMEGA3208-XFR Microchip Technology 1: $1.90 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 $1.90 $1.86 Reel $1.56	Min.: 1 Mult.: 1 : 2,100	SMD/SMT	SSOP-32	AVR	32 kB	8 bit	10 bit	20 MHz	23 I/O	4 kB	1.8 V	5.5 V	- 40 C	+ 125 C		Reel, Cut Tape
8-bit Microcontrollers - MCU 20MHZ, TQFP, Extended TEMP, GREEN 5 V ATMEGA324PB-AN Microchip Technology 1: $3.03 1,435In 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	1,435In Stock 3,200Expected 12/11/2026	$3.03 $2.79 $2.52	Min.: 1 Mult.: 1	SMD/SMT	TQFP-44	AVR	32 kB	8 bit	10 bit	20 MHz	39 I/O	2 kB	1.8 V	5.5 V	- 40 C	+ 105 C	AEC-Q100	Tray