| 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 |
| | | | | | | | | | | | | | | | | | | | | |
 | 0065-0212-3 | AT89C51AC2-RLTUM | 15 | 366.50 |  | PB-Free | RoHS | 8-Bit MCS-51 MCU Flash 32KBytes,RAM 1256 Bytes EEPROM 2KBytes,10-Bit A/D with 8 Multiplex Input | ATMEL | QFP | 34 | MCS51 | 32K | 2K | 1.2K | QFP-44 | Surface Mount | 10/8 | 1 UART | 8 | 40MHz |
 | 0065-0238-9 | AT89C51ED2-SLSUM | 119 | 180.60 | | 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 |
 | 0065-0377-9 | 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 |
 | 0065-0355-9 | ATMEGA644PA-AU | 269 | 295.90 | | 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 | 280.80 | | 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 |
| 0035-2383-3 | AT89S8253-24JU-T | 0 | 220.60 | | PB-Free | | 8-Bit MCS-51 MCU ISP Flash 12KBytes, 24MHz RAM 256 Bytes,EEPROM 2KBytes | MICROCHIP | LCC | 32 | MCS51 | 12K | 2K | 256 | PLCC-44 | Surface Mount | - | 1 UART,1 SPI | 8 | 24MHz |
| 0035-2288-9 | AT89C51AC3-RLTUM | 0 | 527.10 | | PB-Free | RoHS | 8-Bit MCS-51 MCU Flash 64 KBytes,RAM 256 Bytes EEPROM 2KBytes,60MHz,10-Bit A/D Converter | MICROCHIP | QFP | 36 | MCS51 | 64K | 2K | 256 | QFP-44 | Surface Mount | 10/8 | 1 UART,1 SPI | 8 | 60MHz |
| 0035-2613-4 | AT89C51ED2T-RLTUM | 0 | 394.30 | | PB-Free | RoHS | 8-Bit MCS-51 MCU, Flash 64KBytes, RAM 2048Bytes, EEPROM 2048Bytes, Speed 60MHz | MICROCHIP | QFP | 34 | MCS51 | 64K | 2K | 2K | QFP-44 | Surface Mount | - | 1 UART,1 SPI | 8 | 60MHz |
 | 0211-0010-7 | MRT-CY8C27443-24P | 7 | 205.00 | | | | 8-Bit M8C MCU Flash 16KBytes,RAM 256 Bytes 24MHz,PSoC Mixed Signal Array | CYPRESS | DIP | 24 | M8C | 16K | 2K | 256 | PDIP-28 | Through Hole | 14/4 | 2 UART,2 SPI,1 I2C | 8 | 24MHz |
 | 0364-0046-4 | R5F212L4SNFP#U0 | 1,165 | 47.88 | | PB-Free | RoHS | 16-Bit R8C/Tiny MCU Program ROM 16KBytes, RAM 1.5KBytes, Data Flash 1KByte x 2, 20MHz, Operating Temperature -20°C to 85°C ( N Version) | RENESAS | QFP | 25 | R8C/Tiny | 16K | 2K | 1.5K | LQFP-32 | Surface Mount | 10/9 | 2 UART | 16 | 20MHz |
 | 0035-1358-4 | PIC18F26K80-I/SO | 608 | 193.30 | | PB-Free | RoHS | 8-Bit PIC MCU Flash 16KBytes,RAM 3648 Bytes EEPROM 1024 Bytes,with ECAN nanoWatt XLP Technology | MICROCHIP | SOIC | 24 | PIC | 64K | 1K | 3.6K | SOIC-28 | Surface Mount | 12/8 | 2 USART,1 SPI/I2C,1 CAN | 8 | 64MHz |
 | 0035-2551-8 | ATMEGA328P-AUR | 4,150 | 119.00 | | 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 |
| 0035-2571-4 | ATMEGA32A-AU | 265 | 171.30 | | 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 |
 | 0035-2577-6 | ATMEGA328PB-MU | 2,326 | 66.44 | | PB-Free | RoHS | 8-Bit AVR MCU, ISP Flash 32KBytes, RAM 2KBytes, EEPROM 1KBytes, Speed 20MHz | MICROCHIP | QFN | 27 | AVR | 32K | 1K | 2K | QFN-32 | Surface Mount | 10/8 | 2 USART,2 SPI,2 TWI | 8 | 20MHz |
| 0035-2397-4 | PIC18F26Q10-I/SP | 1,036 | 83.09 | | PB-Free | RoHS | 8-Bit PIC MCU Flash 64 KBytes,RAM 3615 Bytes EEPROM 1024 Bytes,64MHz | MICROCHIP | DIP | 25 | PIC | 64K | 1K | 3.6K | SPDIP-28 | Through Hole | 10/24 | 2 USART,2 SPI,2 I2C | 8 | 64MHz |
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