| 282801 | AT89C1051U-12SA | 8-Bit Microcontroller with 1K Bytes Flash | Atmel |
| 282802 | AT89C1051U-12SC | 8-Bit Microcontroller with 1K Bytes Flash | Atmel |
| 282803 | AT89C1051U-12SI | 8-Bit Microcontroller with 1K Bytes Flash | Atmel |
| 282804 | AT89C1051U-24PC | 8-Bit Microcontroller with 1K Bytes Flash | Atmel |
| 282805 | AT89C1051U-24PI | 8-Bit Microcontroller with 1K Bytes Flash | Atmel |
| 282806 | AT89C1051U-24SC | 8-Bit Microcontroller with 1K Bytes Flash | Atmel |
| 282807 | AT89C1051U-24SI | 8-Bit Microcontroller with 1K Bytes Flash | Atmel |
| 282808 | AT89C2051 | 2.7-Volt, 80C31 Microcontroller with 2K bytes Flash, 20-Pin Package | Atmel |
| 282809 | AT89C2051-12PA | 8-Bit Microcontroller with 2K Bytes Flash | Atmel |
| 282810 | AT89C2051-12PC | 8-Bit Microcontroller with 2K Bytes Flash | Atmel |
| 282811 | AT89C2051-12PI | 8-Bit Microcontroller with 2K Bytes Flash | Atmel |
| 282812 | AT89C2051-12SA | 8-Bit Microcontroller with 2K Bytes Flash | Atmel |
| 282813 | AT89C2051-12SC | 8-Bit Microcontroller with 2K Bytes Flash | Atmel |
| 282814 | AT89C2051-12SI | 8-Bit Microcontroller with 2K Bytes Flash | Atmel |
| 282815 | AT89C2051-24PC | 8-Bit Microcontroller with 2K Bytes Flash | Atmel |
| 282816 | AT89C2051-24PI | 8-Bit Microcontroller with 2K Bytes Flash | Atmel |
| 282817 | AT89C2051-24SC | 8-Bit Microcontroller with 2K Bytes Flash | Atmel |
| 282818 | AT89C2051-24SI | 8-Bit Microcontroller with 2K Bytes Flash | Atmel |
| 282819 | AT89C2051X2 | 2.7-Volt, 80C31 Microcontroller with 2K bytes Flash, x2 Clock, 20-Pin Package | Atmel |
|
| 282820 | AT89C4051 | 3Volt, 80C31 Microcontroller with 4K bytes Flash, 20-Pin Package | Atmel |
| 282821 | AT89C4051-12PA | 8-Bit Microcontroller with 4K Bytes Flash | Atmel |
| 282822 | AT89C4051-12PC | 8-Bit Microcontroller with 4K Bytes Flash | Atmel |
| 282823 | AT89C4051-12PI | 8-Bit Microcontroller with 4K Bytes Flash | Atmel |
| 282824 | AT89C4051-12SA | 8-Bit Microcontroller with 4K Bytes Flash | Atmel |
| 282825 | AT89C4051-12SC | 8-Bit Microcontroller with 4K Bytes Flash | Atmel |
| 282826 | AT89C4051-12SI | 8-Bit Microcontroller with 4K Bytes Flash | Atmel |
| 282827 | AT89C4051-24PC | 8-Bit Microcontroller with 4K Bytes Flash | Atmel |
| 282828 | AT89C4051-24PI | 8-Bit Microcontroller with 4K Bytes Flash | Atmel |
| 282829 | AT89C4051-24SC | 8-Bit Microcontroller with 4K Bytes Flash | Atmel |
| 282830 | AT89C4051-24SI | 8-Bit Microcontroller with 4K Bytes Flash | Atmel |
| 282831 | AT89C51 | 80C31 Microcontroller with 4K bytes Flash. Not recommended for new designs. Use AT89S51. | Atmel |
| 282832 | AT89C51-12 | 8-Bit Microcontroller with 4K Bytes Flash | Atmel |
| 282833 | AT89C51-12AA | 8-Bit Microcontroller with 4K Bytes Flash | Atmel |
| 282834 | AT89C51-12AC | 8-Bit Microcontroller with 4K Bytes Flash | Atmel |
| 282835 | AT89C51-12AI | 8-Bit Microcontroller with 4K Bytes Flash | Atmel |
| 282836 | AT89C51-12JA | 8-Bit Microcontroller with 4K Bytes Flash | Atmel |
| 282837 | AT89C51-12JC | 8-Bit Microcontroller with 4K Bytes Flash | Atmel |
| 282838 | AT89C51-12JI | 8-Bit Microcontroller with 4K Bytes Flash | Atmel |
| 282839 | AT89C51-12PA | 8-Bit Microcontroller with 4K Bytes Flash | Atmel |
| 282840 | AT89C51-12PC | 8-Bit Microcontroller with 4K Bytes Flash | Atmel |
