| Manufacturer | Part Number | Description |
|---|---|---|
Atmel (now Microchip Technology)
| 89C51RD2 | 0 to 40MHz Flash Programmable 8-bit Microcontroller |
|
Atmel (now Microchip Technology)
| AT89C51RD2 | 8-bit Flash Microcontroller |
NXP Semiconductors
| 89C51RD2 | 80C51 8-bit Flash microcontroller family 16KB/32KB/64KB ISP/IAP Flash with 512B/512B/1KB RAM |
Philips Semiconductors (now NXP Semiconductors)
| P89C51RD2 | 8-bit Flash microcontroller |
|
Atmel (now Microchip Technology)
| T89C51RD2 | 0 to 40MHz Flash Programmable 8-bit Microcontroller |
