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ATmega328PB Series 8-bit Microcontrollers - MCU

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Select	Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (CAD) Filter the results in the table by unit price based on your quantity.	Qty.	RoHS	ECAD Model	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 ATMEGA328PB 20MHZ Extd. Temp ATMEGA328PB-AN Microchip Technology 1: $2.38 4,456In Stock 7,000Expected 2027-01-14	Mfr. Part # ATMEGA328PB-AN Mouser Part # 556-ATMEGA328PB-AN	Microchip Technology	8-bit Microcontrollers - MCU ATMEGA328PB 20MHZ Extd. Temp Learn More about Microchip Technology atmelatmega328	Datasheet	4,456In Stock 7,000Expected 2027-01-14	$2.38 $2.17 $1.97	Min.: 1 Mult.: 1			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	Tray
	8-bit Microcontrollers - MCU ATMEGA328PB 20MHZ IND TEMP ATMEGA328PB-AU Microchip Technology 1: $2.35 1,397In Stock 14,250Expected 2027-02-16	Mfr. Part # ATMEGA328PB-AU Mouser Part # 556-ATMEGA328PB-AU	Microchip Technology	8-bit Microcontrollers - MCU ATMEGA328PB 20MHZ IND TEMP Learn More about Microchip Technology atmelatmega328	Datasheet	1,397In Stock 14,250Expected 2027-02-16	$2.35 $2.15 $1.94	Min.: 1 Mult.: 1			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	+ 85 C	ATmega328PB	AEC-Q100	Tray
	8-bit Microcontrollers - MCU ATMEGA328PB Extend TEMP T&R ATMEGA328PB-ANR Microchip Technology 1: $2.53 8,118In Stock 12,000Expected 2026-12-28	Mfr. Part # ATMEGA328PB-ANR Mouser Part # 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 2026-12-28	Cut Tape $2.53 $2.48 $2.45 $2.43 $2.42 Reel $2.10 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 ATMEGA328PB IND TEMP T&R ATMEGA328PB-AUR Microchip Technology 1: $2.45 24In Stock 28,000Expected 2027-03-19	Mfr. Part # ATMEGA328PB-AUR Mouser Part # 556-ATMEGA328PB-AUR	Microchip Technology	8-bit Microcontrollers - MCU ATMEGA328PB IND TEMP T&R Learn More about Microchip Technology atmelatmega328	Datasheet	24In Stock 28,000Expected 2027-03-19	Cut Tape $2.45 $2.39 Reel $2.03 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	+ 85 C	ATmega328PB	AEC-Q100	Reel, Cut Tape, MouseReel
	8-bit Microcontrollers - MCU ATMEGA328PB 20MHZ Extd. Temp QFN ATMEGA328PB-MN Microchip Technology 1: $2.25 134In Stock 1,960Expected 2027-01-25	Mfr. Part # ATMEGA328PB-MN Mouser Part # 556-ATMEGA328PB-MN	Microchip Technology	8-bit Microcontrollers - MCU ATMEGA328PB 20MHZ Extd. Temp QFN Learn More about Microchip Technology atmelatmega328	Datasheet	134In Stock 1,960Expected 2027-01-25	$2.25 $2.06 $1.86	Min.: 1 Mult.: 1			AVR	32 kB	2 kB	QFN-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	Tray
	8-bit Microcontrollers - MCU ATMEGA328PB IND TEMP QFN T&R ATMEGA328PB-MUR Microchip Technology 1: $2.32 12In Stock 17,893Expected 2027-03-12	Mfr. Part # ATMEGA328PB-MUR Mouser Part # 556-ATMEGA328PB-MUR	Microchip Technology	8-bit Microcontrollers - MCU ATMEGA328PB IND TEMP QFN T&R Learn More about Microchip Technology atmelatmega328	Datasheet	12In Stock 17,893Expected 2027-03-12	Cut Tape $2.32 $2.28 $1.93 Reel $1.93 MouseReel Available	Min.: 1 Mult.: 1 : 6,000			AVR	32 kB	2 kB	QFN-32	20 MHz	10 bit	27 I/O	1.8 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	ATmega328PB	AEC-Q100	Reel, Cut Tape, MouseReel
	8-bit Microcontrollers - MCU ATMEGA328PB QFN/MFL T&R ATMEGA328PB-MNR Microchip Technology 1: $2.38 10,299Expected 2027-02-15	Mfr. Part # ATMEGA328PB-MNR Mouser Part # 556-ATMEGA328PB-MNR	Microchip Technology	8-bit Microcontrollers - MCU ATMEGA328PB QFN/MFL T&R Learn More about Microchip Technology atmelatmega328	Datasheet	10,299Expected 2027-02-15	Cut Tape $2.38 $2.32 Reel $2.32 MouseReel Available	Min.: 1 Mult.: 1 : 6,000			AVR	32 kB	2 kB	QFN-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 ATMEGA328PB IND TEMP QFN/MLF ATMEGA328PB-MU Microchip Technology 1: $2.19 18,651On Order	Mfr. Part # ATMEGA328PB-MU Mouser Part # 556-ATMEGA328PB-MU	Microchip Technology	8-bit Microcontrollers - MCU ATMEGA328PB IND TEMP QFN/MLF Learn More about Microchip Technology atmelatmega328	Datasheet	18,651On Order On Order Ship Dates Mfr. #: ATMEGA328PB-MU Stock: 0 On Order: 3,461 Expected 2026-11-13 7,840 Expected 2027-01-07 7,350 Expected 2027-01-15 Factory Lead-Time: 21 Weeks	$2.19 $2.00 $1.81	Min.: 1 Mult.: 1			AVR	32 kB	2 kB	QFN-32	20 MHz	10 bit	27 I/O	1.8 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	ATmega328PB	AEC-Q100	Tray