| 型号 | 检测能力 |
| AT89C51ED2-RLTIM/AT89C51ED2-RLTUM | √ |
| AT89C51ED2-RLTIM(AT89C51ED2-IM) | √ |
| AT89C51ED2_RLTIM/AT89C51ED2_RLTUM | √ |
| AT89C51-24PIDIP-40 | √ |
| AT89C51--24PI | √ |
| AT89C51-24PI | √ |
| AT89C51-16PADIP-40 | √ |
| AT89C51-16PA | √ |
| AT89C51-12DM/883 | √ |
| AT89C51_-24PI | √ |
| AT89C51_12DM/883 | √ |
| AT89C4051-24PU | √ |
| AT89C2051-24PUPDIP-20 | √ |
| AT89C2051-24PUDIP20(ATMEL) | √ |
| AT89C2051-24PUDIP20 | √ |
| AT89C2051-24PU | √ |
| AT89C2051-24PI | √ |
| AT89C2051-12PU | √ |
| AT89C2051_24PU | √ |
| AT89C2051_12PU | √ |