
| 型号 | 厂家 | 封装 | 批号 |
| AT87C54X2-RLTUM | Microchip Technology | 原厂封装 | 22+ |
| AT87C54X2-RLTUL | Microchip Technology | 原厂封装 | 22+ |
| AT87C54X2-3CSUM | Microchip Technology | 原厂封装 | 22+ |
| AT87C54X2-3CSUL | Microchip Technology | 原厂封装 | 22+ |
| AT87C52X2-SLSUM | Microchip Technology | 原厂封装 | 22+ |
| AT87C52X2-SLSUL | Microchip Technology | 原厂封装 | 22+ |
| AT87C52X2-RLTUM | Microchip Technology | 原厂封装 | 22+ |
| AT87C52X2-RLTUL | Microchip Technology | 原厂封装 | 22+ |
| AT87C52X2-3CSUM | Microchip Technology | 原厂封装 | 22+ |
| AT87C52X2-3CSUL | Microchip Technology | 原厂封装 | 22+ |