| 283121 | AT89S51-33PC | 8-bit Microcontroller with 4K Bytes In-System Programmable Flash | Atmel |
| 283122 | AT89S51-33SC | 8-bit Microcontroller with 4K Bytes In-System Programmable Flash | Atmel |
| 283123 | AT89S52 | 8-bit Microcontroller with 8K Bytes In-System Programmable Flash | Atmel |
| 283124 | AT89S52-24AC | 8-bit Microcontroller with 8K Bytes In-System Programmable Flash | Atmel |
| 283125 | AT89S52-24AI | 8-bit Microcontroller with 8K Bytes In-System Programmable Flash | Atmel |
| 283126 | AT89S52-24JC | 8-bit Microcontroller with 8K Bytes In-System Programmable Flash | Atmel |
| 283127 | AT89S52-24JI | 8-bit Microcontroller with 8K Bytes In-System Programmable Flash | Atmel |
| 283128 | AT89S52-24PC | 8-bit Microcontroller with 8K Bytes In-System Programmable Flash | Atmel |
| 283129 | AT89S52-24PI | 8-bit Microcontroller with 8K Bytes In-System Programmable Flash | Atmel |
| 283130 | AT89S52-33AC | 8-bit Microcontroller with 8K Bytes In-System Programmable Flash | Atmel |
| 283131 | AT89S52-33JC | 8-bit Microcontroller with 8K Bytes In-System Programmable Flash | Atmel |
| 283132 | AT89S52-33PC | 8-bit Microcontroller with 8K Bytes In-System Programmable Flash | Atmel |
| 283133 | AT89S53 | In-System Programmable Microcontroller with 12k bytes Flash | Atmel |
| 283134 | AT89S53-16AA | 8-Bit Microcontroller with 12K Bytes Flash | Atmel |
| 283135 | AT89S53-16JA | 8-Bit Microcontroller with 12K Bytes Flash | Atmel |
| 283136 | AT89S53-16PA | 8-Bit Microcontroller with 12K Bytes Flash | Atmel |
| 283137 | AT89S53-24AC | 8-Bit Microcontroller with 12K Bytes Flash | Atmel |
| 283138 | AT89S53-24AI | 8-Bit Microcontroller with 12K Bytes Flash | Atmel |
| 283139 | AT89S53-24JC | 8-Bit Microcontroller with 12K Bytes Flash | Atmel |
|
| 283140 | AT89S53-24JI | 8-Bit Microcontroller with 12K Bytes Flash | Atmel |
| 283141 | AT89S53-24PC | 8-Bit Microcontroller with 12K Bytes Flash | Atmel |
| 283142 | AT89S53-24PI | 8-Bit Microcontroller with 12K Bytes Flash | Atmel |
| 283143 | AT89S53-33AC | 8-Bit Microcontroller with 12K Bytes Flash | Atmel |
| 283144 | AT89S53-33JC | 8-Bit Microcontroller with 12K Bytes Flash | Atmel |
| 283145 | AT89S53-33PC | 8-Bit Microcontroller with 12K Bytes Flash | Atmel |
| 283146 | AT89S8252 | In-System Programmable Microcontroller with 8K bytes Flash & 2K bytes EEPROM | Atmel |
| 283147 | AT89S8252-16AA | 8-Bit Microcontroller with 8K Bytes Flash | Atmel |
| 283148 | AT89S8252-16JA | 8-Bit Microcontroller with 8K Bytes Flash | Atmel |
| 283149 | AT89S8252-16PA | 8-Bit Microcontroller with 8K Bytes Flash | Atmel |
| 283150 | AT89S8252-16QA | 8-Bit Microcontroller with 8K Bytes Flash | Atmel |
| 283151 | AT89S8252-24AC | 8-Bit Microcontroller with 8K Bytes Flash | Atmel |
| 283152 | AT89S8252-24AI | 8-Bit Microcontroller with 8K Bytes Flash | Atmel |
| 283153 | AT89S8252-24JC | 8-Bit Microcontroller with 8K Bytes Flash | Atmel |
| 283154 | AT89S8252-24JI | 8-Bit Microcontroller with 8K Bytes Flash | Atmel |
| 283155 | AT89S8252-24PC | 8-Bit Microcontroller with 8K Bytes Flash | Atmel |
| 283156 | AT89S8252-24PI | 8-Bit Microcontroller with 8K Bytes Flash | Atmel |
| 283157 | AT89S8252-24QC | 8-Bit Microcontroller with 8K Bytes Flash | Atmel |
| 283158 | AT89S8252-24QI | 8-Bit Microcontroller with 8K Bytes Flash | Atmel |
| 283159 | AT89S8252-33AC | 8-Bit Microcontroller with 8K Bytes Flash | Atmel |
| 283160 | AT89S8252-33JC | 8-Bit Microcontroller with 8K Bytes Flash | Atmel |
