| 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 |
| | | | | | | | | | | | | | | | | | | | | |
 | 0065-0380-8 | ATMEGA168PA-AU-T | 0 | 153.20 |  | PB-Free | RoHS | 8-Bit AVR MCU ISP Flash 16KBytes,RAM 1KBytes EEPROM 512 Bytes,20MHz, 8-Ch/10-Bit ADC | ATMEL | QFP | 23 | AVR | 16K | 512 | 1K | TQFP-32 | Surface Mount | 10/8 | 1 USART,2 SPI,1 TWI | 8 | 20MHz |
 | 0065-0377-9 | AT89S8253-24PU-T | 0 | 190.70 | | PB-Free | RoHS | 8-Bit MCS-51 MCU ISP Flash 12KBytes,RAM 256 Bytes EEPROM 2KBytes,Speed 24MHz SPI,UART Interface | ATMEL | DIP | 32 | MCS51 | 12K | 2K | 256 | PDIP-40 | Through Hole | - | 1 UART,1 SPI | 8 | 24MHz |
| 0065-0376-7 | ATMEGA88PA-AU-T | 0 | 233.20 | | PB-Free | RoHS | 8-Bit AVR MCU Flash 8KBytes,RAM 1KBytes EEPROM 512 Bytes,Speed 20MHz,8-Ch/10-Bit ADC picoPower | ATMEL | QFP | 23 | AVR | 8K | 512 | 1K | TQFP-32 | Surface Mount | 10/8 | 1 USART,2 SPI,1 TWI | 8 | 20MHz |
| 0065-0373-1 | ATMEGA16A-PU-T | 0 | 197.60 | | PB-Free | RoHS | 8-Bit AVR MCU ISP Flash 16KBytes,RAM 1KBytes EEPROM 512 Bytes,Speed 16MHz,JTAG Interface Power-on Reset,Programmable Brown-out Detection | ATMEL | DIP | 32 | AVR | 16K | 512 | 1K | PDIP-40 | Through Hole | 10/8 | 1 USART,1 SPI,1 TWI | 8 | 16MHz |
 | 0065-0368-8 | AT89C2051-12SU | 530 | 70.86 | | PB-Free | RoHS | 8-Bit MCS-51 MCU Flash 2KBytes,RAM 128 Bytes,12MHz | ATMEL | SOIC | 15 | MCS51 | 2K | - | 128 | SOIC-20 | Surface Mount | - | 1 UART | 8 | 12MHz |
 | 0065-0361-4 | ATTINY26-16PU-T | 36 | 144.30 | | PB-Free | | 8-Bit AVR MCU Flash 2KBytes,RAM 128 Bytes EEPROM 128 Bytes,16MHz,10-Bit ADC | ATMEL | DIP | 16 | AVR | 2K | 128 | 128 | PDIP-20 | Through Hole | 10/8 | 1 SPI | 8 | 16MHz |
 | 0065-0360-2 | AT89C4051-24SU-T | 7 | 56.43 | | PB-Free | | 8-Bit MCS-51 MCU,Flash 4KBytes,RAM 128 Bytes,24MHz | ATMEL | SOIC | 15 | MCS51 | 4K | - | 128 | SOIC-20 | Surface Mount | - | 1 UART | 8 | 24MHz |
 | 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 |
| 0065-0356-1 | 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 |
 | 0065-0355-9 | 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 |
 | 0065-0349-4 | ATSAMG55J19A-AU | 335 | 224.40 | | PB-Free | | 32-Bit ARM Cortex-M4 MCU Flash 512KBytes,120MHz with FPU(Floating Point Unit), RAM 176KBytes 12-Bit ADC | ATMEL | QFP | 48 | ARM | 512K | - | 176K | LQFP-64 | Surface Mount | 12/8 | 8 USART/SPI/TWI,2 I2S,1 USB | 32 | 120MHz |
 | 0065-0335-5 | ATSAMD21J17A-AU | 488 | 136.20 | | | RoHS | 32-Bit ARM Cortex- M0+CPU Flash 128KBytes RAM 16KBytes,48MHz, ADC 12-Bit/20-Channel | ATMEL | QFP | 52 | ARM | 128K | 16K | 16K | TQFP-64 | Surface Mount | 12/20 | 6 UART/SPI/ I2C,1 USB,1 I2S | 32 | 48MHz |
| 0065-0333-9 | ATTINY2313A-PU | 1,395 | 85.63 | | PB-Free | RoHS | 8-Bit AVR MCU ISP Flash 2KBytes, RAM 128 Bytes EEPROM 128 Bytes, Speed 20MHz | ATMEL | DIP | 18 | AVR | 2K | 128 | 128 | PDIP-20 | Through Hole | - | 1 USART,1 SPI,1 USI | 8 | 20MHz |
| 0065-0332-6 | ATMEGA168PA-AU | 2,642 | 98.34 | | PB-Free | RoHS | 8-Bit AVR MCU ISP Flash 16KBytes,RAM 1KBytes EEPROM 512 Bytes,20MHz, 8-Ch/10-Bit ADC | ATMEL | QFP | 23 | AVR | 16K | 512 | 1K | TQFP-32 | Surface Mount | 10/8 | 1 USART,2 SPI,1 TWI | 8 | 20MHz |
| 0065-0328-1 | ATMEGA32U4-AU | 548 | 212.80 | | PB-Free | RoHS | 8-Bit AVR MCU ISP Flash 32KBytes and USB Controller,RAM 2.5KBytes,EEPROM 1KBytes,16MHz | ATMEL | QFP | 26 | AVR | 32K | 1K | 2.5K | TQFP-44 | Surface Mount | 10/12 | 1 UART,2 SPI,1 TWI,1 USB | 8 | 16MHz |
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