| Picture | ES Part No. | Part No | Stock | Price | Datasheet | Pb Free | RoHS | Description | Vendor | Case Style | Number of I/O | Core Processor | Program Memory Size (Bytes) | Non-Volatile Memory Size(Bytes-Data EE,Data Flash) | RAM Size (Bytes) | Package / Case | Mounting Type | ADC Bits/Channel | Communication | Core Sizes (Bits) | Max. Speed |
| | | | | | | | | | | | | | | | | | | | | |
 | 0035-2571-4 | ATMEGA32A-AU | 264 | 177.10 |  | PB-Free | RoHS | 8-Bit AVR MCU ISP Flash 32Kbytes, RAM 2KBytes, EEPROM 1KBytes, Speed 16MHz | MICROCHIP | QFP | 32 | AVR | 32K | 1K | 2K | TQFP-44 | Surface Mount | 10/8 | 1 USART,1 SPI,1 TWI | 8 | 16MHz |
 | 0035-2551-8 | ATMEGA328P-AUR | 4,149 | 125.80 | | PB-Free | RoHS | 8-Bit AVR MCU ISP Flash 32KBytes, RAM 2KBytes EEPROM 1KBytes, Speed 20MHz | MICROCHIP | QFP | 23 | AVR | 32K | 1K | 2K | TQFP-32 | Surface Mount | 10/8 | 1 USART,2 SPI,1 I2C | 8 | 20MHz |
| 1522-0037-8 | ATMEGA328P-AU | 68 | 167.60 | | PB-Free | RoHS | 8-Bit AVR MCU ISP Flash 32KBytes, RAM 2KBytes EEPROM 1KBytes, Speed 20MHz | MICROCHIP | QFP | 23 | AVR | 32K | 1K | 2K | TQFP-32 | Surface Mount | 10/8 | 1 USART,2 SPI,1 I2C | 8 | 20MHz |
| 0065-0358-5 | ATMEGA328P-AU-T | 0 | 123.30 | | PB-Free | RoHS | 8-Bit AVR MCU ISP Flash 32KBytes, RAM 2KBytes EEPROM 1KBytes, Speed 20MHz | ATMEL | QFP | 23 | AVR | 32K | 1K | 2K | TQFP-32 | Surface Mount | 10/8 | 1 USART,2 SPI,1 TWI | 8 | 20MHz |
| 0065-0323-5 | ATMEGA328P-AU | 1,918 | 119.40 | | PB-Free | RoHS | 8-Bit AVR MCU ISP Flash 32KBytes, RAM 2KBytes EEPROM 1KBytes, Speed 20MHz | ATMEL | QFP | 23 | AVR | 32K | 1K | 2K | TQFP-32 | Surface Mount | 10/8 | 1 USART,2 SPI,1 TWI | 8 | 20MHz |
 | 0065-0201-6 | ATTINY45-20SU | 1,363 | 73.93 | | PB-Free | RoHS | 8-Bit AVR MCU ISP Flash 4KBytes,RAM 256 Bytes EEPROM 256Bytes,20MHz | ATMEL | SOIC | 6 | AVR | 4K | 256 | 256 | SOIC-8 208-mil | Surface Mount | 10/4 | 1 SPI | 8 | 20MHz |
 | 0065-0263-6 | ATMEGA48V-10PU | 63 | 133.60 | | PB-Free | RoHS | 8-Bit AVR MCU ISP Flash 4KBytes,RAM 512 Bytes EEPROM 256 Bytes,10MHz, 6-Ch/10-Bit ADC | ATMEL | DIP | 23 | AVR | 4K | 256 | 512 | PDIP-28 | Through Hole | 10/6 | 1 USART,2 SPI,1 TWI | 8 | 10MHz |
| 0065-0312-8 | ATMEGA48PA-PU | 250 | 124.30 | | PB-Free | RoHS | 8-Bit AVR MCU ISP Flash 4KBytes,RAM 512 Bytes EEPROM 256 Bytes,20MHz, 6-Ch/10-Bit ADC | ATMEL | DIP | 23 | AVR | 4K | 256 | 512 | PDIP-28 | Through Hole | 10/6 | 1 USART,2 SPI,1 TWI | 8 | 20MHz |
 | 0065-0397-5 | ATMEGA48PA-AU-T | 0 | 56.85 | | PB-Free | RoHS | 8-Bit AVR MCU ISP Flash 4KBytes,RAM 512 Bytes EEPROM 256 Bytes,20MHz, 8-Ch/10-Bit ADC | ATMEL | QFP | 23 | AVR | 4K | 256 | 512 | TQFP-32 | Surface Mount | 10/8 | 1 USART,2 SPI,1 TWI | 8 | 20MHz |
| 0065-0392-5 | ATMEGA48PA-PU-T | 6 | 107.40 | | PB-Free | RoHS | 8-Bit AVR MCU ISP Flash 4KBytes,RAM 512 Bytes EEPROM 256 Bytes,Speed 20MHz,10-Bit ADC picoPower,QTouch Library Support | ATMEL | DIP | 23 | AVR | 4K | 256 | 512 | PDIP-28 | Through Hole | 10/6 | 1 USART,2 SPI,1 TWI | 8 | 20MHz |
| 0065-0355-9 | ATMEGA644PA-AU | 249 | 312.80 | | PB-Free | RoHS | 8-Bit AVR MCU ISP Flash 64KBytes, RAM 4KBytes, EEPROM 2KBytes, Speed 20MHz | ATMEL | QFP | 32 | AVR | 64K | 2K | 4K | TQFP-44 | Surface Mount | 10/8 | 2 USART,1 SPI,1 TWI | 8 | 20MHz |
 | 0065-0356-1 | ATMEGA644PA-PU | 1,459 | 288.60 | | PB-Free | RoHS | 8-Bit AVR MCU ISP Flash 64KBytes,RAM 4KBytes EEPROM 2KBytes,20MHz | ATMEL | DIP | 32 | AVR | 64K | 2K | 4K | PDIP-40 | Through Hole | 10/8 | 2 USART,1 SPI,1 TWI | 8 | 20MHz |
 | 0065-0226-9 | ATMEGA64L-8AU | 0 | 221.70 | | PB-Free | | 8-Bit AVR MCU ISP Flash 64KBytes,RAM 4KBytes EEPROM 2KBytes,8MHz | ATMEL | QFP | 53 | AVR | 64K | 2K | 4K | TQFP-64 | Surface Mount | 10/8 | 2 USART,1 SPI,1 TWI | 8 | 8MHz |
| 0065-0381-1 | ATMEGA644PA-AUR-T | 0 | 1,378.00 | | PB-Free | RoHS | 8-Bit AVR MCU ISP Flash 64KBytes,RAM 4KBytes EEPROM 2KBytes,Speed 20MHz,QTouch Library Support USART,TWI,SPI,JTAG Interface | ATMEL | QFP | 32 | AVR | 64K | 2K | 4K | TQFP-44 | Surface Mount | 10/8 | 2 USART,2 SPI,1 TWI | 8 | 20MHz |
| 1522-0028-7 | ATMEGA88PA-AU | 69 | 90.26 | | PB-Free | RoHS | 8-Bit AVR MCU ISP Flash 8KBytes, RAM 1KBytes EEPROM 512 Bytes, 20MHz | MICROCHIP | QFP | 23 | AVR | 8K | 512 | 1K | TQFP-32 | Surface Mount | 10/8 | 1 USART,2 SPI,1 TWI | 8 | 20MHz |
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