| 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 |
| | | | | | | | | | | | | | | | | | | | | |
 | 0065-0247-0 | AT89S51-24PU | 1,171 | 135.60 |  | PB-Free | | 8-Bit MCS-51 MCU ISP Flash 4KBytes,RAM 128Bytes 24MHz | ATMEL | DIP | 32 | MCS51 | 4K | - | 128 | PDIP-40 | Through Hole | - | 1 UART | 8 | 24MHz |
 | 0065-0231-8 | ATMEGA16L-8AU | 271 | 163.20 | | PB-Free | | 8-Bit AVR MCU ISP Flash 16KBytes,RAM 1KBytes EEPROM 512 Bytes,8MHz | ATMEL | QFP | 32 | AVR | 16K | 512 | 1K | TQFP-44 | Surface Mount | 10/8 | 1 USART,1 SPI,1 TWI | 8 | 8MHz |
 | 0065-0238-9 | AT89C51ED2-SLSUM | 114 | 190.90 | | PB-Free | | 8-Bit MCS-51 MCU Flash 64KBytes,RAM 2048 Bytes EEPROM 2048 Bytes,60MHz | ATMEL | LCC | 32 | MCS51 | 64K | 2K | 2K | PLCC-44 | Surface Mount | - | 1 USART,1 SPI | 8 | 60MHz |
| 0065-0251-6 | AT89C51RC-24PU | 299 | 258.40 | | PB-Free | | 8-Bit MCS-51 MCU Flash 32KBytes,RAM 512Bytes,24MHz | ATMEL | DIP | 32 | MCS51 | 32K | - | 512 | PDIP-40 | Through Hole | - | 1 UART | 8 | 24MHz |
| 0065-0300-8 | ATMEGA32A-PU | 403 | 210.90 | | PB-Free | RoHS | 8-Bit AVR MCU Flash 32KBytes, RAM 2KBytes EEPROM 1KBytes, 16MHz | ATMEL | DIP | 32 | AVR | 32K | 1K | 2K | PDIP-40 | Through Hole | 10/8 | 1 USART,1 SPI,1 TWI | 8 | 16MHz |
| 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 |
| 0065-0377-9 | 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 |
| 0065-0373-1 | 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 |
| 0065-0393-7 | AT89S52-24PU-T | 0 | 146.30 | | PB-Free | RoHS | 8-Bit MCS-51MCU ISP Flash 8KBytes,RAM 256 Bytes 24MHz | ATMEL | DIP | 32 | MCS51 | 8K | - | 256 | PDIP-40 | Through Hole | - | 1 UART | 8 | 24MHz |
| 0065-0391-3 | ATMEGA32A-PU-T | 0 | 196.10 | | PB-Free | RoHS | 8-Bit AVR MCU Flash 32KBytes,RAM 2KBytes EEPROM 1KBytes,16MHz | ATMEL | DIP | 32 | AVR | 32K | 1K | 2K | PDIP-40 | Through Hole | 10/8 | 1 USART,1 SPI,1 TWI | 8 | 16MHz |
| 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 |
| 0065-0382-2 | ATMEGA16A-AU-T | 4 | 128.10 | | PB-Free | RoHS | 8-Bit AVR MCU Flash 16KBytes,RAM 1KBytes EEPROM 512 Bytes,Speed 16MHz,JTAG Interface Power-on Reset,Programmable Brown-out Detection | ATMEL | QFP | 32 | AVR | 16K | 512 | 1K | TQFP-44 | Surface Mount | 10/8 | 1 USART,1 SPI,1 TWI | 8 | 16MHz |
 | 0065-0385-8 | AT89C51ED2-RLTUM-T | 0 | 198.50 | | PB-Free | RoHS | 8-Bit MCS-51 MCU Flash 64KBytes,RAM 2048 Bytes EEPROM 2048 Bytes,60MHz | ATMEL | QFP | 32 | MCS51 | 64K | 2K | 2K | QFP-44 | Surface Mount | - | 1 UART,1 SPI | 8 | 60MHz |
 | 1522-0095-2 | ATMEGA16A-PU | 1,000 | 141.60 | | 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 | MICROCHIP | DIP | 32 | AVR | 16K | 512 | 1K | PDIP-40 | Through Hole | 10/8 | 1 USART,1 SPI,1 TWI | 8 | 16MHz |
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