| 型号 | 系列 | 工作温度 | 振荡器型 | 核心处理器 | RAM容量 | 程序存储器类型 |
|---|---|---|---|---|---|---|
| AT89C4051-12SU | 89C | -40°C ~ 85°C | Internal | 8051 | 128 x 8 | FLASH |
| AT89C4051-12PU | 89C | -40°C ~ 85°C | Internal | 8051 | 128 x 8 | FLASH |
| AT89C4051-24PU | 89C | -40°C ~ 85°C | Internal | 8051 | 128 x 8 | FLASH |
| AT89S2051-24PU | 89S | -40°C ~ 85°C | Internal | 8051 | 256 x 8 | FLASH |
| AT89S2051-24SU | 89S | -40°C ~ 85°C | Internal | 8051 | 256 x 8 | FLASH |
| AT89C2051-24SU | 89C | -40°C ~ 85°C | Internal | 8051 | 128 x 8 | FLASH |
| AT89LP428-20AU | 89LP | -40°C ~ 85°C | Internal | 8051 | 768 x 8 | FLASH |
| AT89LP428-20PU | 89LP | -40°C ~ 85°C | Internal | 8051 | 768 x 8 | FLASH |
| AT89LS51-16AU | 89LS | -40°C ~ 85°C | Internal | 8051 | 128 x 8 | FLASH |
| AT89LS51-16JU | 89LS | -40°C ~ 85°C | Internal | 8051 | 128 x 8 | FLASH |
| AT89LS51-16PU | 89LS | -40°C ~ 85°C | Internal | 8051 | 128 x 8 | FLASH |
| AT89LP428-20JU | 89LP | -40°C ~ 85°C | Internal | 8051 | 768 x 8 | FLASH |
| AT89LP428-20MH | 89LP | -40°C ~ 85°C | Internal | 8051 | 768 x 8 | FLASH |
| AT89S4051-24SU | 89S | -40°C ~ 85°C | Internal | 8051 | 256 x 8 | FLASH |
| AT89LP2052-20XU | 89LP | -40°C ~ 85°C | Internal | 8051 | 256 x 8 | FLASH |
| AT89S4051-24PU | 89S | -40°C ~ 85°C | Internal | 8051 | 256 x 8 | FLASH |
| AT89S51-24JU | 89S | -40°C ~ 85°C | Internal | 8051 | 128 x 8 | FLASH |
| AT89LP828-20MH | 89LP | -40°C ~ 85°C | Internal | 8051 | 768 x 8 | FLASH |
| AT89LS52-16AU | 89LS | -40°C ~ 85°C | Internal | 8051 | 256 x 8 | FLASH |
| AT89LS52-16PU | 89LS | -40°C ~ 85°C | Internal | 8051 | 256 x 8 | FLASH |
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