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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 AVR 128KB FLSH 4KB EE16KB SRAM-20 MHz ATMEGA1284-AU Microchip Technology 1: $8.57 3,742In Stock	Mfr. Part No. ATMEGA1284-AU Mouser Part No 556-ATMEGA1284-AU	Microchip Technology	8-bit Microcontrollers - MCU AVR 128KB FLSH 4KB EE16KB SRAM-20 MHz Learn More about Microchip Technology microchip megaavr 8 bit mcus	Datasheet	3,742In Stock	$8.57 $7.86 $7.10	Min.: 1 Mult.: 1	SMD/SMT	TQFP-44	AVR	128 kB	8 bit	10 bit	20 MHz	32 I/O	16 kB	1.8 V	5.5 V	- 40 C	+ 85 C		Tray
8-bit Microcontrollers - MCU 128KB Flash 20MHz 1.8V-5.5V ATMEGA1284P-AU Microchip Technology 1: $9.51 9,567In Stock	Mfr. Part No. ATMEGA1284P-AU Mouser Part No 556-ATMEGA1284P-AU	Microchip Technology	8-bit Microcontrollers - MCU 128KB Flash 20MHz 1.8V-5.5V Learn More about Microchip Technology microchip megaavr 8 bit mcus	Datasheet	9,567In Stock	$9.51 $8.73 $7.89	Min.: 1 Mult.: 1	SMD/SMT	TQFP-44	AVR	128 kB	8 bit	10 bit	20 MHz	32 I/O	16 kB	1.8 V	5.5 V	- 40 C	+ 85 C		Tray
8-bit Microcontrollers - MCU 20MHz, 4KB, SOIC8, Ind 105C, Green, T&R ATTINY402-SSNR Microchip Technology 1: $0.707 84,464In Stock	Mfr. Part No. ATTINY402-SSNR Mouser Part No 579-ATTINY402-SSNR	Microchip Technology	8-bit Microcontrollers - MCU 20MHz, 4KB, SOIC8, Ind 105C, Green, T&R Learn More about Microchip Technology microchip attiny202 402 mcus	Datasheet	84,464In Stock	Cut Tape $0.707 $0.703 $0.699 $0.694 $0.687 Reel $0.585 MouseReel Available	Min.: 1 Mult.: 1 : 4,000	SMD/SMT	SOIC-8	AVR	4 kB	8 bit	10 bit	20 MHz	6 I/O	256 B	1.8 V	5.5 V	- 40 C	+ 105 C		Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU 20MHz, 4KB, SOIC8, Ind 125C, Green, T&R ATTINY412-SSFR Microchip Technology 1: $0.802 27,079In Stock 32,000Expected 14/12/2026	Mfr. Part No. ATTINY412-SSFR Mouser Part No 579-ATTINY412-SSFR	Microchip Technology	8-bit Microcontrollers - MCU 20MHz, 4KB, SOIC8, Ind 125C, Green, T&R Learn More about Microchip Technology microchip attiny412 mcu	Datasheet	27,079In Stock 32,000Expected 14/12/2026	Cut Tape $0.802 $0.771 Reel $0.653 MouseReel Available	Min.: 1 Mult.: 1 : 4,000	SMD/SMT	SOIC-8	AVR	4 kB	8 bit	10 bit	20 MHz	6 I/O	256 B	1.8 V	5.5 V	- 40 C	+ 125 C		Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU 3.5KB 224 RAM 16 I/O PIC16F628A-I/P Microchip Technology 1: $4.01 6,293In Stock	Mfr. Part No. PIC16F628A-I/P Mouser Part No 579-PIC16F628A-I/P	Microchip Technology	8-bit Microcontrollers - MCU 3.5KB 224 RAM 16 I/O	Datasheet	6,293In Stock	$4.01	Min.: 1 Mult.: 1	Through Hole	PDIP-18	PIC16	3.5 kB	8 bit	No ADC	20 MHz	16 I/O	224 B	3 V	5.5 V	- 40 C	+ 85 C		Tube
8-bit Microcontrollers - MCU 7KB FL 256R 18 I/O PIC16F689-I/P Microchip Technology 1: $3.58 8,552In Stock	Mfr. Part No. PIC16F689-I/P Mouser Part No 579-PIC16F689-I/P	Microchip Technology	8-bit Microcontrollers - MCU 7KB FL 256R 18 I/O	Datasheet	8,552In Stock	$3.58 $3.40	Min.: 1 Mult.: 1	Through Hole	PDIP-20	PIC16	7 kB	8 bit	10 bit	20 MHz	18 I/O	256 B	4.5 V	5.5 V	- 40 C	+ 85 C		Tube
8-bit Microcontrollers - MCU 7KB FL 256R 18 I/O PIC16F689T-I/SS Microchip Technology 1: $3.64 7,315In Stock	Mfr. Part No. PIC16F689T-I/SS Mouser Part No 579-PIC16F689T-I/SS	Microchip Technology	8-bit Microcontrollers - MCU 7KB FL 256R 18 I/O	Datasheet	7,315In Stock	Cut Tape $3.64 Reel $3.06 MouseReel Available	Min.: 1 Mult.: 1 : 1,600	SMD/SMT	SSOP-20	PIC16	7 kB	8 bit	10 bit	20 MHz	18 I/O	256 B	2 V	5.5 V	- 40 C	+ 85 C		Reel, Cut Tape, MouseReel
16-bit Microcontrollers - MCU Mixed Signal MCU A 5 95-MSP430F5659IPZ A A 595-MSP430F5659IPZ MSP430F5659IPZR Texas Instruments 1: $23.73 1,716In Stock	Mfr. Part No. MSP430F5659IPZR Mouser Part No 595-MSP430F5659IPZR	Texas Instruments	16-bit Microcontrollers - MCU Mixed Signal MCU A 5 95-MSP430F5659IPZ A A 595-MSP430F5659IPZ Learn More about Texas Instruments ti msp430f5 msp430f6 mcus	Datasheet	1,716In Stock	Cut Tape $23.73 $19.18 $17.57 $16.56 View Reel $15.49 $16.03 $15.49 Quote MouseReel Available	Min.: 1 Mult.: 1 : 1,000	SMD/SMT	LQFP-100	MSP430	512 kB	16 bit	12 bit	20 MHz	74 I/O	64 kB	1.8 V	3.6 V	- 40 C	+ 85 C		Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU 8 BIT,HCS08L Core, 60k Flash MC9S08PL60CLC NXP Semiconductors 1: $7.56 1,250In Stock	Mfr. Part No. MC9S08PL60CLC Mouser Part No 771-MC9S08PL60CLC	NXP Semiconductors	8-bit Microcontrollers - MCU 8 BIT,HCS08L Core, 60k Flash Learn More about NXP Semiconductors nxp mc9s08 microcontrollers	Datasheet	1,250In Stock	$7.56 $5.21 $4.84 $4.27 View $4.05 $3.63 $3.40 $3.30 $3.21	Min.: 1 Mult.: 1	SMD/SMT	LQFP-32	S08	60 kB	8 bit	10 bit	20 MHz	30 I/O	4 kB	2.7 V	5.5 V	- 40 C	+ 85 C		Tray
8-bit Microcontrollers - MCU 8 BIT,HCS08L Core,16k Flash MC9S08PA16VTJ NXP Semiconductors 1: $7.79 1,500In Stock	Mfr. Part No. MC9S08PA16VTJ Mouser Part No 841-MC9S08PA16VTJ	NXP Semiconductors	8-bit Microcontrollers - MCU 8 BIT,HCS08L Core,16k Flash Learn More about NXP Semiconductors nxp mc9s08 microcontrollers	Datasheet	1,500In Stock	$7.79 $5.15 $4.69 $4.00 View $3.79 $3.40 $3.14 $2.90 $2.82	Min.: 1 Mult.: 1	SMD/SMT	TSSOP-20	S08	16 kB	8 bit	12 bit	20 MHz	18 I/O	2 kB	2.7 V	5.5 V	- 40 C	+ 105 C	AEC-Q100	Tube
8-bit Microcontrollers - MCU 64KB, RWW, 6KB RAM, 32p, 20MHz, CFD, 12b ADC, PGA, 2xComp, DAC, 3xUART, SPI, TWI AVR64EA32-I/RXB Microchip Technology 1: $1.74 1,042In Stock	Mfr. Part No. AVR64EA32-I/RXB Mouser Part No 556-AVR64EA32-I/RXB	Microchip Technology	8-bit Microcontrollers - MCU 64KB, RWW, 6KB RAM, 32p, 20MHz, CFD, 12b ADC, PGA, 2xComp, DAC, 3xUART, SPI, TWI Learn More about Microchip Technology microchip avr64ea28 32 48 mcus	Datasheet	1,042In Stock	$1.74 $1.71	Min.: 1 Mult.: 1	SMD/SMT	VQFN-32		64 kB	8 bit/16 bit	12 bit	20 MHz	42 I/O	6 kB	1.8 V	5.5 V	- 40 C	+ 85 C		Tray
8-bit Microcontrollers - MCU 20MHz, 16KB, VQFN20, 2xADC, PTC, EXT 105C, Tray ATTINY1616-MF Microchip Technology 1: $1.25 1,013In Stock	Mfr. Part No. ATTINY1616-MF Mouser Part No 579-ATTINY1616MF	Microchip Technology	8-bit Microcontrollers - MCU 20MHz, 16KB, VQFN20, 2xADC, PTC, EXT 105C, Tray Learn More about Microchip Technology microchip attiny1614 6 7	Datasheet	1,013In Stock	$1.25 $1.16 $1.05	Min.: 1 Mult.: 1	SMD/SMT	VQFN-20	AVR	16 kB	8 bit/16 bit	10 bit	20 MHz	18 I/O	2 kB	1.8 V	5.5 V	- 40 C	+ 125 C		Tray
8-bit Microcontrollers - MCU 16KB, RWW, 2KB RAM, 28p SPDIP, 85C, 20MHz, CFD, 12b ADC, PGA, 2xComp, DAC, 3xUART, SPI, TWI AVR16EA28-I/SP Microchip Technology 1: $3.51 298In Stock	Mfr. Part No. AVR16EA28-I/SP Mouser Part No 579-AVR16EA28-I/SP	Microchip Technology	8-bit Microcontrollers - MCU 16KB, RWW, 2KB RAM, 28p SPDIP, 85C, 20MHz, CFD, 12b ADC, PGA, 2xComp, DAC, 3xUART, SPI, TWI Learn More about Microchip Technology microchip avr16ea28 32 48 mcus	Datasheet	298In Stock	$3.51 $3.21 $2.91	Min.: 1 Mult.: 1	Through Hole	SPDIP-28		16 kB	8 bit/16 bit	12 bit	20 MHz	24 I/O	2 kB	1.8 V	5.5 V	- 40 C	+ 85 C		Tube
8-bit Microcontrollers - MCU 16KB, RWW, 2KB RAM, 32p, 20MHz, CFD, 12b ADC, PGA, 2xComp, DAC, 3xUART, SPI, TWI AVR16EA32-I/PT Microchip Technology 1: $1.44 309In Stock	Mfr. Part No. AVR16EA32-I/PT Mouser Part No 579-AVR16EA32-I/PT	Microchip Technology	8-bit Microcontrollers - MCU 16KB, RWW, 2KB RAM, 32p, 20MHz, CFD, 12b ADC, PGA, 2xComp, DAC, 3xUART, SPI, TWI Learn More about Microchip Technology microchip avr16ea28 32 48 mcus	Datasheet	309In Stock	$1.44 $1.32 $1.20	Min.: 1 Mult.: 1	SMD/SMT	TQFP-32		16 kB	8 bit/16 bit	12 bit	20 MHz	28 I/O	2 kB	1.8 V	5.5 V	- 40 C	+ 85 C		Tray
8-bit Microcontrollers - MCU 16KB, RWW, 2KB RAM, 32p, 20MHz, CFD, 12b ADC, PGA, 2xComp, DAC, 3xUART, SPI, TWI AVR16EA32T-E/PT Microchip Technology 1: $1.60 1,600In Stock	Mfr. Part No. AVR16EA32T-E/PT Mouser Part No 579-AVR16EA32T-E/PT	Microchip Technology	8-bit Microcontrollers - MCU 16KB, RWW, 2KB RAM, 32p, 20MHz, CFD, 12b ADC, PGA, 2xComp, DAC, 3xUART, SPI, TWI Learn More about Microchip Technology microchip avr16ea28 32 48 mcus	Datasheet	1,600In Stock	Cut Tape $1.60 $1.56 Reel $1.33 MouseReel Available	Min.: 1 Mult.: 1 : 1,600	SMD/SMT	TQFP-32		16 kB	8 bit/16 bit	12 bit	20 MHz	28 I/O	2 kB	1.8 V	5.5 V	- 40 C	+ 125 C		Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU 16KB, RWW, 2KB RAM, 32p, 20MHz, CFD, 12b ADC, PGA, 2xComp, DAC, 3xUART, SPI, TWI AVR16EA32T-I/PT Microchip Technology 1: $1.47 1,571In Stock	Mfr. Part No. AVR16EA32T-I/PT Mouser Part No 579-AVR16EA32T-I/PT	Microchip Technology	8-bit Microcontrollers - MCU 16KB, RWW, 2KB RAM, 32p, 20MHz, CFD, 12b ADC, PGA, 2xComp, DAC, 3xUART, SPI, TWI Learn More about Microchip Technology microchip avr16ea28 32 48 mcus	Datasheet	1,571In Stock	Cut Tape $1.47 $1.43 Reel $1.21 MouseReel Available	Min.: 1 Mult.: 1 : 1,600	SMD/SMT	TQFP-32		16 kB	8 bit/16 bit	12 bit	20 MHz	28 I/O	2 kB	1.8 V	5.5 V	- 40 C	+ 85 C		Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU 16KB, RWW, 2KB RAM, 48p, 20MHz, CFD, 12b ADC, PGA, 2xComp, DAC, 3xUART, SPI, TWI AVR16EA48T-I/PT Microchip Technology 1: $1.82 1,600In Stock	Mfr. Part No. AVR16EA48T-I/PT Mouser Part No 579-AVR16EA48T-I/PT	Microchip Technology	8-bit Microcontrollers - MCU 16KB, RWW, 2KB RAM, 48p, 20MHz, CFD, 12b ADC, PGA, 2xComp, DAC, 3xUART, SPI, TWI Learn More about Microchip Technology microchip avr16ea28 32 48 mcus	Datasheet	1,600In Stock	Cut Tape $1.82 $1.78 Reel $1.51 MouseReel Available	Min.: 1 Mult.: 1 : 1,600	SMD/SMT	TQFP-48		16 kB	8 bit/16 bit	12 bit	20 MHz	42 I/O	2 kB	1.8 V	5.5 V	- 40 C	+ 85 C		Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU 16KB RWW,2KB RAM,14p,20MHz,12-bit ADC,PGA,UART,SPI,I2C,2xTCB,TCEX,TCF,WEX AVR16EB14-E/SL Microchip Technology 1: $1.14 768In Stock	Mfr. Part No. AVR16EB14-E/SL Mouser Part No 579-AVR16EB14-E/SL	Microchip Technology	8-bit Microcontrollers - MCU 16KB RWW,2KB RAM,14p,20MHz,12-bit ADC,PGA,UART,SPI,I2C,2xTCB,TCEX,TCF,WEX Learn More about Microchip Technology microchip avr16eb14 20 28 32 mcus	Datasheet	768In Stock	$1.14 $1.05 $0.952	Min.: 1 Mult.: 1	SMD/SMT	SOIC-14	AVR	16 kB	8 bit	12 bit	20 MHz	23 I/O	2 kB	1.8 V	5.5 V	- 40 C	+ 125 C		Tube
8-bit Microcontrollers - MCU 16KB RWW,2KB RAM,14p,20MHz,12-bit ADC,PGA,UART,SPI,I2C,2xTCB,TCEX,TCF,WEX AVR16EB14-I/SL Microchip Technology 1: $1.05 784In Stock	Mfr. Part No. AVR16EB14-I/SL Mouser Part No 579-AVR16EB14-I/SL	Microchip Technology	8-bit Microcontrollers - MCU 16KB RWW,2KB RAM,14p,20MHz,12-bit ADC,PGA,UART,SPI,I2C,2xTCB,TCEX,TCF,WEX Learn More about Microchip Technology microchip avr16eb14 20 28 32 mcus	Datasheet	784In Stock	$1.05 $0.966 $0.87	Min.: 1 Mult.: 1	SMD/SMT	SOIC-14	AVR	16 kB	8 bit	12 bit	20 MHz	23 I/O	2 kB	1.8 V	5.5 V	- 40 C	+ 85 C		Tube
8-bit Microcontrollers - MCU 16KB RWW,2KB RAM,14p,20MHz,12-bit ADC,PGA,UART,SPI,I2C,2xTCB,TCEX,TCF,WEX AVR16EB14T-I/SL Microchip Technology 1: $1.12 1,538In Stock	Mfr. Part No. AVR16EB14T-I/SL Mouser Part No 579-AVR16EB14T-I/SL	Microchip Technology	8-bit Microcontrollers - MCU 16KB RWW,2KB RAM,14p,20MHz,12-bit ADC,PGA,UART,SPI,I2C,2xTCB,TCEX,TCF,WEX Learn More about Microchip Technology microchip avr16eb14 20 28 32 mcus	Datasheet	1,538In Stock	Cut Tape $1.12 $1.08 Reel $0.925	Min.: 1 Mult.: 1 : 2,600	SMD/SMT	SOIC-14	AVR	16 kB	8 bit	12 bit	20 MHz	23 I/O	2 kB	1.8 V	5.5 V	- 40 C	+ 85 C		Reel, Cut Tape
8-bit Microcontrollers - MCU 16KB RWW,2KB RAM,20p,20MHz,12-bit ADC,PGA,UART,SPI,I2C,2xTCB,TCEX,TCF,WEX AVR16EB20-E/REB Microchip Technology 1: $1.22 735In Stock	Mfr. Part No. AVR16EB20-E/REB Mouser Part No 579-AVR16EB20-E/REB	Microchip Technology	8-bit Microcontrollers - MCU 16KB RWW,2KB RAM,20p,20MHz,12-bit ADC,PGA,UART,SPI,I2C,2xTCB,TCEX,TCF,WEX Learn More about Microchip Technology microchip avr16eb14 20 28 32 mcus	Datasheet	735In Stock	$1.22 $1.12 $1.01	Min.: 1 Mult.: 1	SMD/SMT	VQFN-20	AVR	16 kB	8 bit	12 bit	20 MHz	17 I/O	2 kB	1.8 V	5.5 V	- 40 C	+ 125 C		Tray
8-bit Microcontrollers - MCU 16KB RWW,2KB RAM,20p,20MHz,12-bit ADC,PGA,UART,SPI,I2C,2xTCB,TCEX,TCF,WEX AVR16EB20-E/SS Microchip Technology 1: $1.47 636In Stock	Mfr. Part No. AVR16EB20-E/SS Mouser Part No 579-AVR16EB20-E/SS	Microchip Technology	8-bit Microcontrollers - MCU 16KB RWW,2KB RAM,20p,20MHz,12-bit ADC,PGA,UART,SPI,I2C,2xTCB,TCEX,TCF,WEX Learn More about Microchip Technology microchip avr16eb14 20 28 32 mcus	Datasheet	636In Stock	$1.47 $1.35 $1.22	Min.: 1 Mult.: 1	SMD/SMT	SSOP-20	AVR	16 kB	8 bit	12 bit	20 MHz	17 I/O	2 kB	1.8 V	5.5 V	- 40 C	+ 125 C		Tube
8-bit Microcontrollers - MCU 16KB RWW,2KB RAM,20p,20MHz,12-bit ADC,PGA,UART,SPI,I2C,2xTCB,TCEX,TCF,WEX AVR16EB20-I/REB Microchip Technology 1: $1.10 404In Stock	Mfr. Part No. AVR16EB20-I/REB Mouser Part No 579-AVR16EB20-I/REB	Microchip Technology	8-bit Microcontrollers - MCU 16KB RWW,2KB RAM,20p,20MHz,12-bit ADC,PGA,UART,SPI,I2C,2xTCB,TCEX,TCF,WEX Learn More about Microchip Technology microchip avr16eb14 20 28 32 mcus	Datasheet	404In Stock	$1.10 $1.01 $0.911	Min.: 1 Mult.: 1	SMD/SMT	VQFN-20	AVR	16 kB	8 bit	12 bit	20 MHz	17 I/O	2 kB	1.8 V	5.5 V	- 40 C	+ 85 C		Tray
8-bit Microcontrollers - MCU 16KB RWW,2KB RAM,28p,20MHz,12-bit ADC,PGA,UART,SPI,I2C,2xTCB,TCEX,TCF,WEX AVR16EB28-E/STX Microchip Technology 1: $1.26 744In Stock	Mfr. Part No. AVR16EB28-E/STX Mouser Part No 579-AVR16EB28-E/STX	Microchip Technology	8-bit Microcontrollers - MCU 16KB RWW,2KB RAM,28p,20MHz,12-bit ADC,PGA,UART,SPI,I2C,2xTCB,TCEX,TCF,WEX Learn More about Microchip Technology microchip avr16eb14 20 28 32 mcus	Datasheet	744In Stock	$1.26 $1.17 $1.06	Min.: 1 Mult.: 1	SMD/SMT	VQFN-28	AVR	16 kB	8 bit	12 bit	20 MHz	23 I/O	2 kB	1.8 V	5.5 V	- 40 C	+ 125 C		Tube
8-bit Microcontrollers - MCU 16KB RWW,2KB RAM,20MHz,12-bit ADC,PGA,UART,SPI,I2C,2xTCB,TCEX,TCF,WEX AVR16EB28-I/SP Microchip Technology 1: $2.98 399In Stock	Mfr. Part No. AVR16EB28-I/SP Mouser Part No 579-AVR16EB28-I/SP	Microchip Technology	8-bit Microcontrollers - MCU 16KB RWW,2KB RAM,20MHz,12-bit ADC,PGA,UART,SPI,I2C,2xTCB,TCEX,TCF,WEX Learn More about Microchip Technology microchip avr16eb14 20 28 32 mcus	Datasheet	399In Stock	$2.98 $2.73 $2.48	Min.: 1 Mult.: 1	Through Hole	SPDIP-28	AVR	16 kB	8 bit	12 bit	20 MHz		2 kB	1.8 V	5.5 V	- 40 C	+ 85 C		Tube