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ATmega128x Series 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	Packaging
8-bit Microcontrollers - MCU 128kB Flash 4kB EEPROM 54 I/O Pins ATMEGA1281-16AU Microchip Technology 1: $14.85 6,287In Stock	Mfr. Part # ATMEGA1281-16AU Mouser Part # 556-ATMEGA1281-16AU	Microchip Technology	8-bit Microcontrollers - MCU 128kB Flash 4kB EEPROM 54 I/O Pins	Datasheet	6,287In Stock	$14.85 $13.64 $12.35	Min.: 1 Mult.: 1	AVR	128 kB	8 kB	TQFP-64	16 MHz	10 bit	54 I/O	2.7 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	ATmega128x	Tray
8-bit Microcontrollers - MCU AVR 128K FLASH 8K SRAM,4KB EEPROM ATMEGA1280-16AUR Microchip Technology 1: $18.51 4,605In Stock	Mfr. Part # ATMEGA1280-16AUR Mouser Part # 556-ATMEGA1280-16AUR	Microchip Technology	8-bit Microcontrollers - MCU AVR 128K FLASH 8K SRAM,4KB EEPROM	Datasheet	4,605In Stock	Cut Tape $18.51 $18.03 Reel $15.38 MouseReel Available	Min.: 1 Mult.: 1 : 1,500	AVR	128 kB	8 kB	TQFP-100	16 MHz	10 bit	86 I/O	2.7 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	ATmega128x	Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU 128kB Flash 4kB EEPROM 86 I/O Pins ATMEGA1280-16AU Microchip Technology 1: $18.27 181In Stock 540Expected 10/14/2026	Mfr. Part # ATMEGA1280-16AU Mouser Part # 556-ATMEGA1280-16AU	Microchip Technology	8-bit Microcontrollers - MCU 128kB Flash 4kB EEPROM 86 I/O Pins	Datasheet	181In Stock 540Expected 10/14/2026	$18.27 $16.76 $15.16	Min.: 1 Mult.: 1	AVR	128 kB	8 kB	TQFP-100	16 MHz	10 bit	86 I/O	2.7 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	ATmega128x	Tray
8-bit Microcontrollers - MCU 128kB Flash 4kB EEPROM 54 I/O Pins ATMEGA1281V-8MU Microchip Technology 1: $14.85 522In Stock	Mfr. Part # ATMEGA1281V-8MU Mouser Part # 556-ATMEGA1281V8MU	Microchip Technology	8-bit Microcontrollers - MCU 128kB Flash 4kB EEPROM 54 I/O Pins	Datasheet	522In Stock	$14.85 $13.64 $12.35	Min.: 1 Mult.: 1	AVR	128 kB	8 kB	MLF-64	8 MHz	10 bit	54 I/O	1.8 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	ATmega128x	Tray
8-bit Microcontrollers - MCU AVR 128K FLASH 8K SRAM,4KB EEPROM ATMEGA1280V-8AUR Microchip Technology 1: $18.51 146In Stock	Mfr. Part # ATMEGA1280V-8AUR Mouser Part # 556-ATMEGA1280V-8AUR	Microchip Technology	8-bit Microcontrollers - MCU AVR 128K FLASH 8K SRAM,4KB EEPROM	Datasheet	146In Stock	Cut Tape $18.51 $18.03 Reel $15.38 MouseReel Available	Min.: 1 Mult.: 1 : 1,500	AVR	128 kB	8 kB	TQFP-100	8 MHz			1.8 V	5.5 V	SMD/SMT	8 bit			ATmega128x	Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU AVR 128K FLASH 8K SRAM,4KB EEPROM ATMEGA1281-16AUR Microchip Technology 1: $15.11 157In Stock 1,000Expected 1/25/2027	Mfr. Part # ATMEGA1281-16AUR Mouser Part # 556-ATMEGA1281-16AUR	Microchip Technology	8-bit Microcontrollers - MCU AVR 128K FLASH 8K SRAM,4KB EEPROM	Datasheet	157In Stock 1,000Expected 1/25/2027	Cut Tape $15.11 $14.70 Reel $12.53 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	AVR	128 kB	8 kB	TQFP-64	16 MHz			2.7 V	5.5 V	SMD/SMT	8 bit			ATmega128x	Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU AVR 128K FLSH 8K SRAM 4KB EE-8MHZ ATMEGA1280V-8AU Microchip Technology 1: $18.27 64In Stock	Mfr. Part # ATMEGA1280V-8AU Mouser Part # 556-ATMEGA1280V8AU	Microchip Technology	8-bit Microcontrollers - MCU AVR 128K FLSH 8K SRAM 4KB EE-8MHZ	Datasheet	64In Stock	$18.27 $16.76 $15.16	Min.: 1 Mult.: 1	AVR	128 kB	8 kB	TQFP-100	8 MHz	10 bit	86 I/O	1.8 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	ATmega128x	Tray
8-bit Microcontrollers - MCU 128K FL 8K SRAM 4KB EE 8MHZ IND 1.8V ATMEGA1281V-8AUR Microchip Technology 1: $14.98 14In Stock 2,000Expected 3/18/2027	Mfr. Part # ATMEGA1281V-8AUR Mouser Part # 556-ATMEGA1281V-8AUR	Microchip Technology	8-bit Microcontrollers - MCU 128K FL 8K SRAM 4KB EE 8MHZ IND 1.8V	Datasheet	14In Stock 2,000Expected 3/18/2027	Cut Tape $14.98 $14.61 Reel $12.44 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	AVR	128 kB	8 kB	TQFP-64	8 MHz	10 bit	54 I/O	1.8 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	ATmega128x	Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU 128kB Flash 4kB EEPROM 54 I/O Pins ATMEGA1281V-8AU Microchip Technology 1: $14.85 14In Stock 2,070On Order	Mfr. Part # ATMEGA1281V-8AU Mouser Part # 556-ATMEGA1281V8AU	Microchip Technology	8-bit Microcontrollers - MCU 128kB Flash 4kB EEPROM 54 I/O Pins	Datasheet	14In Stock 2,070On Order On Order Ship Dates Mfr. #: ATMEGA1281V-8AU Stock: 14 Can Ship Immediately On Order: 900 Expected 11/16/2026 1,170 Expected 1/19/2027 Factory Lead-Time: 40 Weeks	$14.85 $13.64 $12.35	Min.: 1 Mult.: 1	AVR	128 kB	8 kB	TQFP-64	8 MHz	10 bit	54 I/O	1.8 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	ATmega128x	Tray
8-bit Microcontrollers - MCU AVR 128K FLASH 8K SRAM 4KB EE 5.0V ATMEGA1281-16MU Microchip Technology 1: $14.85 1,036On Order	Mfr. Part # ATMEGA1281-16MU Mouser Part # 556-ATMEGA1281-16MU	Microchip Technology	8-bit Microcontrollers - MCU AVR 128K FLASH 8K SRAM 4KB EE 5.0V	Datasheet	1,036On Order On Order Ship Dates Mfr. #: ATMEGA1281-16MU Stock: 0 On Order: 516 Expected 5/13/2027 520 TBD Factory Lead-Time: 12 Weeks	$14.85 $13.64 $12.35	Min.: 1 Mult.: 1	AVR	128 kB	8 kB	QFN-64	16 MHz	10 bit	54 I/O	2.7 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	ATmega128x	Tray
8-bit Microcontrollers - MCU 128K FL 8K SRAM 4KB EE 16MHZ IND 5V ATMEGA1281-16MUR Microchip Technology 4,000: $12.53 Non-Stocked Lead-Time 12 Weeks	Mfr. Part # ATMEGA1281-16MUR Mouser Part # 556-ATMEGA1281-16MUR	Microchip Technology	8-bit Microcontrollers - MCU 128K FL 8K SRAM 4KB EE 16MHZ IND 5V	Datasheet	Non-Stocked Lead-Time 12 Weeks	Reel $12.53	Min.: 4,000 Mult.: 4,000 : 4,000	AVR	128 kB	8 kB	QFN-64	16 MHz	10 bit	54 I/O	2.7 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	ATmega128x	Reel
8-bit Microcontrollers - MCU AVR 128K FL 8K SRAM 4KB EE 8MHZ IND 1.8V ATMEGA1281V-8MUR Microchip Technology 4,000: $12.44 Non-Stocked Lead-Time 12 Weeks	Mfr. Part # ATMEGA1281V-8MUR Mouser Part # 556-ATMEGA1281V-8MUR	Microchip Technology	8-bit Microcontrollers - MCU AVR 128K FL 8K SRAM 4KB EE 8MHZ IND 1.8V	Datasheet	Non-Stocked Lead-Time 12 Weeks	Reel $12.44	Min.: 4,000 Mult.: 4,000 : 4,000	AVR			MLF-64	8 MHz			1.8 V	5.5 V	SMD/SMT	8 bit			ATmega128x	Reel

ATmega128x Series 8-bit Microcontrollers - MCU

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