ATmega328 datasheets – compare manufacturers

Manufacturer Part Number Description
Microchip Logo Microchip Technology ATmega328P CMOS 8-bit microcontroller
Microchip Logo Microchip Technology ATmega328PB Microcontroller
ATMEL Logo Atmel ATmega328P 8-bit Microcontroller
Atmel Logo Atmel ATMEGA328A 8-bit Microcontroller
ATMEL Logo Atmel ATmega328 8-bit AVR Microcontrollers
Microchip Logo Microchip Technology ATmega328 CMOS 8-bit microcontroller
ATMEL Corporation Logo Atmel ATmega328V 8-bit Microcontroller