| 257881 | AT89 | 8-Bit Microcontroller with 8K Bytes Flash | Atmel |
| 257882 | AT892051 | 8-Bit Microcontroller with 2K Bytes Flash | Atmel |
| 257883 | AT89C1051 | 8-Bit Microcontroller with 1K Byte Flash | Atmel |
| 257884 | AT89C1051-12PA | 8-Bit Microcontroller with 1K Byte Flash | Atmel |
| 257885 | AT89C1051-12PC | 8-Bit Microcontroller with 1K Byte Flash | Atmel |
| 257886 | AT89C1051-12PI | 8-Bit Microcontroller with 1K Byte Flash | Atmel |
| 257887 | AT89C1051-12SA | 8-Bit Microcontroller with 1K Byte Flash | Atmel |
| 257888 | AT89C1051-12SC | 8-Bit Microcontroller with 1K Byte Flash | Atmel |
| 257889 | AT89C1051-12SI | 8-Bit Microcontroller with 1K Byte Flash | Atmel |
| 257890 | AT89C1051-24PC | 8-Bit Microcontroller with 1K Byte Flash | Atmel |
| 257891 | AT89C1051-24PI | 8-Bit Microcontroller with 1K Byte Flash | Atmel |
| 257892 | AT89C1051-24SC | 8-Bit Microcontroller with 1K Byte Flash | Atmel |
| 257893 | AT89C1051-24SI | 8-Bit Microcontroller with 1K Byte Flash | Atmel |
| 257894 | AT89C1051U | 8-Bit Microcontroller with 1K Bytes Flash | Atmel |
| 257895 | AT89C1051U-12PA | 8-Bit Microcontroller with 1K Bytes Flash | Atmel |
| 257896 | AT89C1051U-12PC | 8-Bit Microcontroller with 1K Bytes Flash | Atmel |
| 257897 | AT89C1051U-12PI | 8-Bit Microcontroller with 1K Bytes Flash | Atmel |
| 257898 | AT89C1051U-12SA | 8-Bit Microcontroller with 1K Bytes Flash | Atmel |
| 257899 | AT89C1051U-12SC | 8-Bit Microcontroller with 1K Bytes Flash | Atmel |
|
| 257900 | AT89C1051U-12SI | 8-Bit Microcontroller with 1K Bytes Flash | Atmel |
| 257901 | AT89C1051U-24PC | 8-Bit Microcontroller with 1K Bytes Flash | Atmel |
| 257902 | AT89C1051U-24PI | 8-Bit Microcontroller with 1K Bytes Flash | Atmel |
| 257903 | AT89C1051U-24SC | 8-Bit Microcontroller with 1K Bytes Flash | Atmel |
| 257904 | AT89C1051U-24SI | 8-Bit Microcontroller with 1K Bytes Flash | Atmel |
| 257905 | AT89C2051 | 2.7-Volt, 80C31 Microcontroller with 2K bytes Flash, 20-Pin Package | Atmel |
| 257906 | AT89C2051-12PA | 8-Bit Microcontroller with 2K Bytes Flash | Atmel |
| 257907 | AT89C2051-12PC | 8-Bit Microcontroller with 2K Bytes Flash | Atmel |
| 257908 | AT89C2051-12PI | 8-Bit Microcontroller with 2K Bytes Flash | Atmel |
| 257909 | AT89C2051-12SA | 8-Bit Microcontroller with 2K Bytes Flash | Atmel |
| 257910 | AT89C2051-12SC | 8-Bit Microcontroller with 2K Bytes Flash | Atmel |
| 257911 | AT89C2051-12SI | 8-Bit Microcontroller with 2K Bytes Flash | Atmel |
| 257912 | AT89C2051-24PC | 8-Bit Microcontroller with 2K Bytes Flash | Atmel |
| 257913 | AT89C2051-24PI | 8-Bit Microcontroller with 2K Bytes Flash | Atmel |
| 257914 | AT89C2051-24SC | 8-Bit Microcontroller with 2K Bytes Flash | Atmel |
| 257915 | AT89C2051-24SI | 8-Bit Microcontroller with 2K Bytes Flash | Atmel |
| 257916 | AT89C2051X2 | 2.7-Volt, 80C31 Microcontroller with 2K bytes Flash, x2 Clock, 20-Pin Package | Atmel |
| 257917 | AT89C4051 | 3Volt, 80C31 Microcontroller with 4K bytes Flash, 20-Pin Package | Atmel |
| 257918 | AT89C4051-12PA | 8-Bit Microcontroller with 4K Bytes Flash | Atmel |
| 257919 | AT89C4051-12PC | 8-Bit Microcontroller with 4K Bytes Flash | Atmel |
| 257920 | AT89C4051-12PI | 8-Bit Microcontroller with 4K Bytes Flash | Atmel |
