| Manufacturer | Part # | Datasheet | Description |

ATMEL Corporation
|
AT89C51AC3 |
1Mb/143P |
Enhanced 8-bit Microcontroller with 64KB Flash Memory |
| AT89C51AC3 |
1Mb/140P |
Enhanced 8-bit Microcontroller with 64KB Flash Memory |
| AT89C51AC3 |
1Mb/141P |
Enhanced 8-bit Microcontroller with 64KB Flash Memory |
| AT89LP51ED2-20JU |
809Kb/26P |
8-bit Flash Microcontroller with 64KB Program Memory |
| ATMEGA64A |
9Mb/395P |
8-bit Atmel Microcontroller with 64KB In-System Programmable Flash |

NXP Semiconductors
|
P89C668 |
299Kb/54P |
80C51 8-bit Flash microcontroller family 64KB ISP FLASH with 8KB RAM 2001 Jul 27 |

Microchip Technology
|
ATMEGA640 |
3Mb/436P |
8-bit Microcontroller with 16/32/64KB In-System Programmable Flash |

ATMEL Corporation
|
ATMEGA169A |
1Mb/39P |
8-bit Atmel Microcontroller with 16/32/64KB In-System Programmable Flash |
| ATMEGA1329A |
1Mb/39P |
8-bit Atmel Microcontroller with 16/32/64KB In-System Programmable Flash |
| ATMEGA3290PA |
1Mb/39P |
8-bit Atmel Microcontroller with 16/32/64KB In-System Programmable Flash |
| ATMEGA6490P |
1Mb/39P |
8-bit Atmel Microcontroller with 16/32/64KB In-System Programmable Flash |
| ATMEGA169A-AU |
677Kb/29P |
8-bit Atmel Microcontroller with 16/32/64KB In-System Programmable Flash |
| ATMEGA169PA |
1Mb/39P |
8-bit Atmel Microcontroller with 16/32/64KB In-System Programmable Flash |
| ATMEGA640 |
635Kb/34P |
8-bit Atmel Microcontroller with 16/32/64KB In-System Programmable Flash 2549QS-AVR-02/2014 |
| ATMEGA649P |
1Mb/39P |
8-bit Atmel Microcontroller with 16/32/64KB In-System Programmable Flash |
| ATMEGA3290A |
1Mb/39P |
8-bit Atmel Microcontroller with 16/32/64KB In-System Programmable Flash |
| ATMEGA6490A |
1Mb/39P |
8-bit Atmel Microcontroller with 16/32/64KB In-System Programmable Flash |
| ATMEGA649A |
1Mb/39P |
8-bit Atmel Microcontroller with 16/32/64KB In-System Programmable Flash |
| ATMEGA325A-AU |
581Kb/24P |
8-bit Atmel Microcontroller with 16/32/64KB In-System Programmable Flash |
| ATMEGA329PA |
1Mb/39P |
8-bit Atmel Microcontroller with 16/32/64KB In-System Programmable Flash |