ATmega328 8-Bit AVR MCUs

Microchip Technology ATmega328 8-Bit AVR MCUs are low-power, CMOS 8-bit microcontrollers based on the AVR® enhanced RISC architecture. The devices execute instructions in a single clock cycle to achieve CPU throughput approaching one million instructions per second (MIPS) per megahertz. This allows for optimizing power consumption versus processing speed.

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Description Datasheet Availability Pricing (EUR) 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
Microchip Technology 8-bit Microcontrollers - MCU AVR 32K FL 2K SRAM 1KB EE 20 MHZ GRN
Datasheet
717In Stock
€2.39
€2.19
€1.99
Min.: 1
Mult.: 1
AVR 32 kB 2 kB VQFN-28 20 MHz 10 bit 23 I/O 1.8 V 5.5 V SMD/SMT 8 bit - 40 C + 85 C ATmega328P Tray

Microchip Technology 8-bit Microcontrollers - MCU 32KB In-system Flash 20MHz 1.8V-5.5V
Datasheet
6,031In Stock
€2.49
€2.28
€2.06
Min.: 1
Mult.: 1
AVR 32 kB 2 kB PDIP-28 20 MHz 10 bit 23 I/O 1.8 V 5.5 V Through Hole 8 bit - 40 C + 85 C ATmega328P Tube
Microchip Technology 8-bit Microcontrollers - MCU 16KB FLASH 512B EE 1KB SRAM - 20 MHz
Datasheet
3,959In Stock
Cut Tape
€2.03
€2.00
Reel
€1.69
MouseReel Available
Min.: 1
Mult.: 1
: 2,000
AVR 16 kB 1 kB TQFP-32 20 MHz 10 bit 23 I/O 1.8 V 5.5 V SMD/SMT 8 bit - 40 C + 85 C ATmega168PA Reel, Cut Tape, MouseReel
Microchip Technology 8-bit Microcontrollers - MCU ATMEGA328PB 20MHZ Extd. Temp
Datasheet
4,456In Stock
7,000Expected 14/01/2027
€1.45
€1.33
€1.20
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
Microchip Technology 8-bit Microcontrollers - MCU ATMEGA328PB 20MHZ IND TEMP
Datasheet
2,730In Stock
14,250Expected 16/02/2027
€1.40
€1.28
€1.16
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
Microchip Technology 8-bit Microcontrollers - MCU ATMEGA328PB IND TEMP T&R
Datasheet
1,146In Stock
28,000Expected 30/03/2027
Cut Tape
€1.46
€1.43
Reel
€1.21
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
Microchip Technology 8-bit Microcontrollers - MCU AVR 8KB FLSH 512B EE 1KB SRAM-20MHZ
Datasheet
3,173In Stock
Cut Tape
€1.65
€1.61
Reel
€1.37
MouseReel Available
Min.: 1
Mult.: 1
: 2,000
AVR 8 kB 1 kB TQFP-32 20 MHz 10 bit 23 I/O 1.8 V 5.5 V SMD/SMT 8 bit - 40 C + 85 C ATmega88PA Reel, Cut Tape, MouseReel

Microchip Technology 8-bit Microcontrollers - MCU AVR 4K FLASH 256B EE 20MHZ IND TEMP 1.8V
Datasheet
549In Stock
€1.40
€1.29
€1.16
Min.: 1
Mult.: 1
AVR 4 kB 512 B QFN-28 20 MHz 10 bit 23 I/O 1.8 V 5.5 V SMD/SMT 8 bit - 40 C + 85 C ATmega48PA Tray

Microchip Technology 8-bit Microcontrollers - MCU AVR 8KB FLSH 512B EE 1KB SRAM-20MHz
Datasheet
1,506In Stock
€2.18
€2.00
€1.81
Min.: 1
Mult.: 1
AVR 8 kB 1 kB PDIP-28 20 MHz 10 bit 23 I/O 1.8 V 5.5 V Through Hole 8 bit - 40 C + 85 C ATmega88A Tube

Microchip Technology 8-bit Microcontrollers - MCU 1.8V - 5.5V 20MHz 8KB Programmable
Datasheet
466In Stock
€1.85
€1.69
€1.55
Min.: 1
Mult.: 1
AVR 8 kB 1 kB QFN-28 20 MHz 10 bit 23 I/O 1.8 V 5.5 V SMD/SMT 8 bit - 40 C + 85 C ATmega88PA Tray

Microchip Technology 8-bit Microcontrollers - MCU 1.8V - 5.5V 20MHz 8KB Programmable
Datasheet
1,691In Stock
€2.24
€2.06
€1.86
Min.: 1
Mult.: 1
AVR 8 kB 1 kB PDIP-28 20 MHz 10 bit 23 I/O 1.8 V 5.5 V Through Hole 8 bit - 40 C + 85 C ATmega88PA Tube
Microchip Technology 8-bit Microcontrollers - MCU ATMEGA328PB Extend TEMP T&R
Datasheet
8,353In Stock
12,000Expected 28/12/2026
Cut Tape
€1.51
€1.48
Reel
€1.26
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
Microchip Technology 8-bit Microcontrollers - MCU AVR 16KB FL 512B EE 1KB SRAM-20MHz
Datasheet
2,166In Stock
3,500Expected 25/03/2027
€1.88
€1.73
€1.57
Min.: 1
Mult.: 1
AVR 16 kB 1 kB TQFP-32 20 MHz 10 bit 23 I/O 1.8 V 5.5 V SMD/SMT 8 bit - 40 C + 85 C ATmega168A Tray
Microchip Technology 8-bit Microcontrollers - MCU AVR 16KB FL 512B EE 1KB SRAM-20MHz
Datasheet
1,812In Stock
Cut Tape
€2.03
€2.00
Reel
€1.69
MouseReel Available
Min.: 1
Mult.: 1
: 2,000
AVR 16 kB 1 kB TQFP-32 20 MHz 10 bit 23 I/O 1.8 V 5.5 V SMD/SMT 8 bit - 40 C + 85 C ATmega168A Reel, Cut Tape, MouseReel

Microchip Technology 8-bit Microcontrollers - MCU 16K Flsh 500B EEPROM 1K SRAM 23 IO Pins
Datasheet
196In Stock
€2.54
€2.34
€2.16
€2.12
Min.: 1
Mult.: 1
AVR 16 kB 1 kB PDIP-28 20 MHz 10 bit 23 I/O 1.8 V 5.5 V Through Hole 8 bit - 40 C + 85 C ATmega168PA Tube
Microchip Technology 8-bit Microcontrollers - MCU AVR 16KB FL 512B EE 2KB SRAM 20 MHZ GRN
Datasheet
395In Stock
490Expected 21/01/2027
€2.18
€2.00
€1.81
Min.: 1
Mult.: 1
AVR 32 kB 2 kB MLF-28 20 MHz 10 bit 23 I/O 1.8 V 5.5 V SMD/SMT 8 bit - 40 C + 85 C ATmega328 Tray
Microchip Technology 8-bit Microcontrollers - MCU AVR 32K FLSH 1K EE2K SRAM-20MHz IND
Datasheet
118In Stock
€2.08
€1.90
€1.73
Min.: 1
Mult.: 1
AVR 32 kB 2 kB MLF-32 20 MHz 10 bit 23 I/O 1.8 V 5.5 V SMD/SMT 8 bit - 40 C + 85 C ATmega328 Tray

Microchip Technology 8-bit Microcontrollers - MCU AVR 32K FLSH 2K SRAM 1KB EE-20 MHZ 105C
Datasheet
276In Stock
€2.61
€2.38
€2.16
Min.: 1
Mult.: 1
AVR 32 kB 2 kB PDIP-28 20 MHz 10 bit 23 I/O 1.8 V 5.5 V Through Hole 8 bit - 40 C + 105 C ATmega328P Tube
Microchip Technology 8-bit Microcontrollers - MCU AVR 4KB FLSH 256B EE 512B SRAM-20MHz IND
Datasheet
432In Stock
500Expected 09/11/2026
€1.56
€1.43
€1.30
Min.: 1
Mult.: 1
AVR 4 kB 512 B TQFP-32 20 MHz 10 bit 23 I/O 1.8 V 5.5 V SMD/SMT 8 bit - 40 C + 85 C ATmega48A Tray
Microchip Technology 8-bit Microcontrollers - MCU AVR 4KB FLASH 20 MHZ,IND TEMP
Datasheet
147In Stock
750Expected 27/10/2026
€1.56
€1.43
€1.30
Min.: 1
Mult.: 1
AVR 4 kB 512 B TQFP-32 20 MHz 10 bit 23 I/O 1.8 V 5.5 V SMD/SMT 8 bit - 40 C + 85 C ATmega48PA Tray
Microchip Technology 8-bit Microcontrollers - MCU AVR 4KB FL 256B EE 512B SRAM 20MHz 105C
Datasheet
18In Stock
€1.39
€1.28
€1.16
Min.: 1
Mult.: 1
AVR 4 kB 512 B QFN-32 20 MHz 10 bit 23 I/O 1.8 V 5.5 V SMD/SMT 8 bit - 40 C + 105 C ATmega48PA Tray

Microchip Technology 8-bit Microcontrollers - MCU AVR 4KB FLASH 20 MHZ,IND TEMP
Datasheet
122In Stock
€2.13
€1.95
€1.76
Min.: 1
Mult.: 1
AVR 4 kB 512 B PDIP-28 20 MHz 10 bit 23 I/O 1.8 V 5.5 V Through Hole 8 bit - 40 C + 85 C ATmega48PA Tube
Microchip Technology 8-bit Microcontrollers - MCU AVR 8KB FLSH 512B EE 1KB SRAM-20MHz
Datasheet
88In Stock
500Expected 01/03/2027
€1.69
€1.55
€1.41
Min.: 1
Mult.: 1
AVR 8 kB 1 kB TQFP-32 20 MHz 10 bit 23 I/O 1.8 V 5.5 V SMD/SMT 8 bit - 40 C + 85 C ATmega88A Tray

Microchip Technology 8-bit Microcontrollers - MCU AVR 8KB FLSH 512B EE 1KB SRAM-20MHz
Datasheet
342In Stock
€1.43
€1.32
€1.20
Min.: 1
Mult.: 1
AVR 8 kB 1 kB QFN-28 20 MHz 10 bit 23 I/O 1.8 V 5.5 V SMD/SMT 8 bit - 40 C + 85 C ATmega88A Tray
Microchip Technology 8-bit Microcontrollers - MCU AVR 8KB FL 512B EE 1KB SRAM-20MHz 105C
Datasheet
475In Stock
€1.55
€1.42
€1.29
Min.: 1
Mult.: 1
AVR 8 kB 1 kB TQFP-32 20 MHz 10 bit 23 I/O 1.8 V 5.5 V SMD/SMT 8 bit - 40 C + 85 C ATmega88PA Tray