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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 3.5KB 128 RAM 33 I/O PIC16F871-I/P Microchip Technology 1: $6.72 114In Stock NRND	Mfr. Part No. PIC16F871-I/P Mouser Part No 579-PIC16F871-I/P NRND	Microchip Technology	8-bit Microcontrollers - MCU 3.5KB 128 RAM 33 I/O	Datasheet	114In Stock	$6.72	Min.: 1 Mult.: 1	Through Hole	PDIP-40	PIC16	3.5 kB	8 bit	10 bit	20 MHz	33 I/O	128 B	4 V	5.5 V	- 40 C	+ 85 C		Tube
8-bit Microcontrollers - MCU 3.5KB 128 RAM 33 I/O PIC16F871-I/PT Microchip Technology 1: $8.69 628In Stock 4,800Expected 14/12/2026 NRND	Mfr. Part No. PIC16F871-I/PT Mouser Part No 579-PIC16F871-I/PT NRND	Microchip Technology	8-bit Microcontrollers - MCU 3.5KB 128 RAM 33 I/O	Datasheet	628In Stock 4,800Expected 14/12/2026	$8.69	Min.: 1 Mult.: 1	SMD/SMT	TQFP-44	PIC16	3.5 kB	8 bit	10 bit	20 MHz	33 I/O	128 B	4 V	5.5 V	- 40 C	+ 85 C		Tray
8-bit Microcontrollers - MCU 8 BIT,HCS08L Core, 8k Flash MC9S08PA16VLC NXP Semiconductors 1: $5.67 3,464In Stock 5,000On Order NRND	Mfr. Part No. MC9S08PA16VLC Mouser Part No 841-MC9S08PA16VLC NRND	NXP Semiconductors	8-bit Microcontrollers - MCU 8 BIT,HCS08L Core, 8k Flash Learn More about NXP Semiconductors nxp mc9s08 microcontrollers	Datasheet	3,464In Stock 5,000On Order On Order Ship Dates Mfr. No: MC9S08PA16VLC Stock: 3,464 Can Dispatch Immediately On Order: 1,250 Expected 11/1/2027 3,750 Expected 18/1/2027 Factory Lead Time: 39 Weeks	$5.67 $4.30 $3.74 $3.56 View $3.28 $3.26	Min.: 1 Mult.: 1	SMD/SMT	LQFP-32	S08	16 kB	8 bit	12 bit	20 MHz	28 I/O	2 kB	2.7 V	5.5 V	- 40 C	+ 105 C	AEC-Q100	Tray
8-bit Microcontrollers - MCU 8BIT MICROCONTROLLER FLASH 78K0/KB2 UPD78F0501AMC-CAB-AX Renesas Electronics 1: $8.28 210In Stock NRND	Mfr. Part No. UPD78F0501AMC-CAB-AX Mouser Part No 968-D78F0501AMCCABAX NRND	Renesas Electronics	8-bit Microcontrollers - MCU 8BIT MICROCONTROLLER FLASH 78K0/KB2	Datasheet	210In Stock	$8.28 $6.34 $5.56 $5.11 View $5.10 $4.86 $4.80 $4.69 Quote	Min.: 1 Mult.: 1	SMD/SMT		78K0	16 kB	8 bit	10 bit	20 MHz		768 B	1.8 V	5.5 V	- 40 C	+ 85 C		Tray
8-bit Microcontrollers - MCU Single Cycle 8051 4K ISP FL AT89LP51-20AU Microchip Technology 1: $2.34 610In Stock	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	610In Stock	$2.34 $2.12 $1.93	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: $8.02 133In 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	133In Stock	$8.02 $7.34 $6.65	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: $7.26 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	$7.26 $6.69 $6.04	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 Single-Cycle 8051 8K ISP Flash MCU AT89LP52-20JU Microchip Technology 1: $4.69 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	$4.69 $4.30 $4.13	Min.: 1 Mult.: 1	SMD/SMT	PLCC-44	8051	8 kB	8 bit	No ADC	20 MHz	36 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: $13.67 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	$13.67 $12.44 $11.25	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 20MHz, 16KB, TQFP ATMEGA1608-AU Microchip Technology 1: $1.74 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	$1.74 $1.58 $1.43	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 ATMEGA1609-AU Microchip Technology 1: $2.11 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	$2.11 $1.92 $1.74	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: $2.22 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 $2.22 $2.18 Reel $1.84	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: $7.21 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	$7.21 $6.61 $6.01	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 ATMEGA328PB IND TEMP T&R ATMEGA328PB-AUR Microchip Technology 1: $2.31 32In Stock 28,000Expected 23/3/2027	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	32In Stock 28,000Expected 23/3/2027	Cut Tape $2.31 $2.26 Reel $1.92 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	SMD/SMT	TQFP-32	AVR	32 kB	8 bit	10 bit	20 MHz	27 I/O	2 kB	1.8 V	5.5 V	- 40 C	+ 85 C	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: $8.15 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	$8.15 $7.49 $6.77	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-AF Microchip Technology 1: $2.37 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	$2.37 $2.31	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	+ 125 C		Tray
8-bit Microcontrollers - MCU 20MHz, 48KB, TQFP ATMEGA4808-AU Microchip Technology 1: $2.14 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	$2.14 $1.94 $1.77	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: $2.07 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	$2.07 $1.88 $1.70	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, TQFP ATMEGA4809-AU Microchip Technology 1: $2.37 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	$2.37 $2.15 $1.96	Min.: 1 Mult.: 1	SMD/SMT	TQFP-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 20MHz, 48KB, QFN ATMEGA4809-MU Microchip Technology 1: $2.39 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	$2.39 $2.18 $1.97	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: $4.22 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	$4.22 $3.86 $3.48	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: $2.20 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	$2.20 $2.03 $1.82	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: $1.92 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	$1.92 $1.75 $1.59	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: $9.93 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	$9.93 $9.08 $8.23	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: $8.02 12In Stock 390Expected 30/10/2026	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 30/10/2026	$8.02 $7.34 $6.65	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