| 1542121 | T89C51RD2-3CFI-L | 0 to 40MHz Flash Programmable 8-bit Microcontroller | Atmel |
| 1542122 | T89C51RD2-3CFI-M | 0 to 40MHz Flash Programmable 8-bit Microcontroller | Atmel |
| 1542123 | T89C51RD2-3CRC-L | 0 to 40MHz Flash Programmable 8-bit Microcontroller | Atmel |
| 1542124 | T89C51RD2-3CRC-M | 0 to 40MHz Flash Programmable 8-bit Microcontroller | Atmel |
| 1542125 | T89C51RD2-3CRI-L | 0 to 40MHz Flash Programmable 8-bit Microcontroller | Atmel |
| 1542126 | T89C51RD2-3CRI-M | 0 to 40MHz Flash Programmable 8-bit Microcontroller | Atmel |
| 1542127 | T89C51RD2-3CSC-L | 0 to 40MHz Flash Programmable 8-bit Microcontroller | Atmel |
| 1542128 | T89C51RD2-3CSC-M | 0 to 40MHz Flash Programmable 8-bit Microcontroller | Atmel |
| 1542129 | T89C51RD2-3CSI-L | 0 to 40MHz Flash Programmable 8-bit Microcontroller | Atmel |
| 1542130 | T89C51RD2-3CSI-M | 0 to 40MHz Flash Programmable 8-bit Microcontroller | Atmel |
| 1542131 | T89C51RD2-3CTC-L | 0 to 40MHz Flash Programmable 8-bit Microcontroller | Atmel |
| 1542132 | T89C51RD2-3CTC-M | 0 to 40MHz Flash Programmable 8-bit Microcontroller | Atmel |
| 1542133 | T89C51RD2-3CTI-L | 0 to 40MHz Flash Programmable 8-bit Microcontroller | Atmel |
| 1542134 | T89C51RD2-3CTI-M | 0 to 40MHz Flash Programmable 8-bit Microcontroller | Atmel |
| 1542135 | T89C51RD2-3CUC-L | 0 to 40MHz Flash Programmable 8-bit Microcontroller | Atmel |
| 1542136 | T89C51RD2-3CUC-M | 0 to 40MHz Flash Programmable 8-bit Microcontroller | Atmel |
| 1542137 | T89C51RD2-3CUI-L | 0 to 40MHz Flash Programmable 8-bit Microcontroller | Atmel |
| 1542138 | T89C51RD2-3CUI-M | 0 to 40MHz Flash Programmable 8-bit Microcontroller | Atmel |
| 1542139 | T89C51RD2-3CVC-L | 0 to 40MHz Flash Programmable 8-bit Microcontroller | Atmel |
|
| 1542140 | T89C51RD2-3CVC-M | 0 to 40MHz Flash Programmable 8-bit Microcontroller | Atmel |
| 1542141 | T89C51RD2-3CVI-L | 0 to 40MHz Flash Programmable 8-bit Microcontroller | Atmel |
| 1542142 | T89C51RD2-3CVI-M | 0 to 40MHz Flash Programmable 8-bit Microcontroller | Atmel |
| 1542143 | T89C51RD2-3CWC-L | 0 to 40MHz Flash Programmable 8-bit Microcontroller | Atmel |
| 1542144 | T89C51RD2-3CWC-M | 0 to 40MHz Flash Programmable 8-bit Microcontroller | Atmel |
| 1542145 | T89C51RD2-3CWI-L | 0 to 40MHz Flash Programmable 8-bit Microcontroller | Atmel |
| 1542146 | T89C51RD2-3CWI-M | 0 to 40MHz Flash Programmable 8-bit Microcontroller | Atmel |
| 1542147 | T89C51RD2-DDBC-L | 0 to 40MHz Flash Programmable 8-bit Microcontroller | Atmel |
| 1542148 | T89C51RD2-DDBC-M | 0 to 40MHz Flash Programmable 8-bit Microcontroller | Atmel |
| 1542149 | T89C51RD2-DDBI-L | 0 to 40MHz Flash Programmable 8-bit Microcontroller | Atmel |
| 1542150 | T89C51RD2-DDBI-M | 0 to 40MHz Flash Programmable 8-bit Microcontroller | Atmel |
| 1542151 | T89C51RD2-DDFC-L | 0 to 40MHz Flash Programmable 8-bit Microcontroller | Atmel |
| 1542152 | T89C51RD2-DDFC-M | 0 to 40MHz Flash Programmable 8-bit Microcontroller | Atmel |
| 1542153 | T89C51RD2-DDFI-L | 0 to 40MHz Flash Programmable 8-bit Microcontroller | Atmel |
| 1542154 | T89C51RD2-DDFI-M | 0 to 40MHz Flash Programmable 8-bit Microcontroller | Atmel |
| 1542155 | T89C51RD2-DDRC-L | 0 to 40MHz Flash Programmable 8-bit Microcontroller | Atmel |
| 1542156 | T89C51RD2-DDRC-M | 0 to 40MHz Flash Programmable 8-bit Microcontroller | Atmel |
| 1542157 | T89C51RD2-DDRI-L | 0 to 40MHz Flash Programmable 8-bit Microcontroller | Atmel |
| 1542158 | T89C51RD2-DDRI-M | 0 to 40MHz Flash Programmable 8-bit Microcontroller | Atmel |
| 1542159 | T89C51RD2-DDSC-L | 0 to 40MHz Flash Programmable 8-bit Microcontroller | Atmel |
| 1542160 | T89C51RD2-DDSC-M | 0 to 40MHz Flash Programmable 8-bit Microcontroller | Atmel |
