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 (JPY) 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 4KB FLASH 20 MHZ,IND TEMP
Datasheet
122In Stock
¥411.9
¥377
¥338.8
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
542In Stock
¥275.7
¥255.8
¥230.9
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
500In Stock
¥299
¥274.1
¥249.2
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
Microchip Technology 8-bit Microcontrollers - MCU AVR 8KB FL 512B EE 1KB SRAM-20MHz 105C
Datasheet
478In Stock
¥375.4
¥343.8
¥308.9
Min.: 1
Mult.: 1
AVR 8 kB 1 kB VQFN-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 ATMEGA328PB 20MHZ Extd. Temp QFN
Datasheet
67In Stock
1,960On Order
¥259.1
¥237.5
¥214.3
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

Microchip Technology 8-bit Microcontrollers - MCU ATMEGA328PB IND TEMP QFN T&R
Datasheet
27In Stock
17,893Expected 3/12/2027
Cut Tape
¥267.4
¥262.4
Reel
¥262.4
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
Microchip Technology 8-bit Microcontrollers - MCU AVR 16KB FL 512B EE 1KB SRAM 20MHz 105C
Datasheet
5In Stock
¥357.1
¥327.2
¥297.3
Min.: 1
Mult.: 1
AVR 16 kB 1 kB QFN-32 20 MHz 10 bit 23 I/O 1.8 V 5.5 V SMD/SMT 8 bit - 40 C + 105 C ATmega168PA Tray
Microchip Technology 8-bit Microcontrollers - MCU AVR 4KB FLSH 256B EE 512B SRAM-20MHz IND
Datasheet
39In Stock
Cut Tape
¥287.4
¥277.4
Reel
¥277.4
MouseReel Available
Min.: 1
Mult.: 1
: 6,000
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 Reel, Cut Tape, MouseReel

Microchip Technology 8-bit Microcontrollers - MCU ATMEGA328PB QFN/MFL T&R
Datasheet
10,299Expected 3/12/2027
Cut Tape
¥274.1
¥267.4
Reel
¥267.4
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

Microchip Technology 8-bit Microcontrollers - MCU ATMEGA328PB IND TEMP QFN/MLF
Datasheet
18,651On Order
¥252.5
¥230.9
¥209.3
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
Microchip Technology 8-bit Microcontrollers - MCU AVR 16KB, 512B EE 1KB SRAM, 5V
Datasheet
490Expected 1/7/2027
¥347.1
¥315.6
¥289
Min.: 1
Mult.: 1
AVR 16 kB 1 kB MLF-28 20 MHz 10 bit 23 I/O 1.8 V 5.5 V SMD/SMT 8 bit - 40 C + 85 C ATmega168PA Tray
Microchip Technology 8-bit Microcontrollers - MCU AVR 16KB FL 512B EE 1KB SRAM-20MHz
Datasheet
Non-Stocked Lead-Time 8 Weeks
¥357.1
¥327.2
¥297.3
Min.: 1
Mult.: 1
AVR 16 kB 1 kB QFN-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 2KB SRAM 20 MHZ GRN
Datasheet
Non-Stocked Lead-Time 10 Weeks
Reel
¥421.9
Min.: 6,000
Mult.: 6,000
: 6,000
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 Reel
Microchip Technology 8-bit Microcontrollers - MCU AVR 32K FLSH 2K SRAM 1KB EE-20 MHZ 105C
Datasheet
Non-Stocked Lead-Time 11 Weeks
Reel
¥468.4
Min.: 6,000
Mult.: 6,000
: 6,000
AVR 32 kB 2 kB VQFN-32 20 MHz 10 bit 23 I/O 1.8 V 5.5 V SMD/SMT 8 bit - 40 C + 105 C ATmega328P Reel
Microchip Technology 8-bit Microcontrollers - MCU AVR 4KB FLSH 256B EE 512B SRAM-20MHz IND
Datasheet
Non-Stocked Lead-Time 10 Weeks
Reel
¥244.2
Min.: 6,000
Mult.: 6,000
: 6,000
AVR VQFN-32 1.8 V 5.5 V SMD/SMT 8 bit ATmega48A Reel
Microchip Technology 8-bit Microcontrollers - MCU AVR 4KB FL 256B EE 512B SRAM 20MHz 105C
Datasheet
Non-Stocked Lead-Time 8 Weeks
Reel
¥272.4
Min.: 2,000
Mult.: 2,000
: 2,000
AVR 4 kB 512 B TQFP-32 20 MHz 23 I/O 1.8 V 5.5 V SMD/SMT 8 bit - 40 C + 105 C ATmega48PA Reel

Microchip Technology 8-bit Microcontrollers - MCU AVR 4KB FLSH 256B EE 512B SRAM-20MHz IND
Datasheet
Non-Stocked Lead-Time 8 Weeks
Cut Tape
¥330.5
¥323.9
Reel
¥274.1
MouseReel Available
Min.: 1
Mult.: 1
: 2,000
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 Reel, Cut Tape, MouseReel
Microchip Technology 8-bit Microcontrollers - MCU AVR 4KB FL 256B EE 512B SRAM 20MHz 105C
Datasheet
Non-Stocked Lead-Time 10 Weeks
Reel
¥352.1
Min.: 6,000
Mult.: 6,000
: 6,000
AVR 4 kB 512 B TQFP-32 20 MHz 23 I/O 1.8 V 5.5 V SMD/SMT 8 bit - 40 C + 105 C ATmega48PA Reel
Microchip Technology 8-bit Microcontrollers - MCU AVR 8KB FLSH 512B EE 1KB SRAM-20MHz
Datasheet
Non-Stocked Lead-Time 8 Weeks
Reel
¥290.7
Min.: 6,000
Mult.: 6,000
: 6,000
AVR 8 kB 1 kB VQFN-32 20 MHz 10 bit 23 I/O 1.8 V 5.5 V SMD/SMT 8 bit - 40 C + 85 C ATmega88A Reel
Microchip Technology 8-bit Microcontrollers - MCU AVR 8KB FLSH 512B EE 1KB SRAM-20MHZ
Datasheet
Non-Stocked Lead-Time 8 Weeks
Reel
¥308.9
Min.: 6,000
Mult.: 6,000
: 6,000
AVR VQFN-28 20 MHz 1.8 V 5.5 V SMD/SMT 8 bit ATmega88PA Reel
Microchip Technology 8-bit Microcontrollers - MCU AVR 8KB FL 512B EE 1KB SRAM-20MHz 105C
Datasheet
Non-Stocked Lead-Time 10 Weeks
Reel
¥382
Min.: 6,000
Mult.: 6,000
: 6,000
AVR 8 kB 512 B VQFN-28 20 MHz 23 I/O 1.8 V 5.5 V SMD/SMT 8 bit - 40 C + 105 C ATmega88PA Reel

Microchip Technology 8-bit Microcontrollers - MCU AVR 8KB FL 512B EE 1KB SRAM-20MHZ IND
Datasheet
Non-Stocked Lead-Time 10 Weeks
Reel
¥362.1
Min.: 6,000
Mult.: 6,000
: 6,000
AVR 8 kB 512 B PDIP-28 20 MHz 23 I/O 1.8 V 5.5 V Through Hole 8 bit - 40 C + 105 C ATmega88PA Reel
Microchip Technology 8-bit Microcontrollers - MCU AVR 16KB FL 512B EE 1KB SRAM-20MHz
Datasheet
Non-Stocked Lead-Time 19 Weeks
¥290.7
Min.: 490
Mult.: 490
AVR 16 kB 1 kB VQFN-28 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
Non-Stocked Lead-Time 19 Weeks
Reel
¥353.8
Min.: 6,000
Mult.: 6,000
: 6,000
AVR 16 kB 1 kB VQFN-28 20 MHz 10 bit 23 I/O 1.8 V 5.5 V SMD/SMT 8 bit - 40 C + 85 C ATmega168A Reel
Microchip Technology 8-bit Microcontrollers - MCU AVR 16KB FL 512B EE 1KB SRAM-20MHZ 5V
Datasheet
Non-Stocked Lead-Time 19 Weeks
Reel
¥357.1
Min.: 6,000
Mult.: 6,000
: 6,000
AVR QFN-32 1.8 V 5.5 V SMD/SMT 8 bit ATmega168PA Reel