| 序号 | 型号 | 描述 | 大小 | 厂家Logo | 下载 | 
|---|
| 1 | P83C661X2 | 80C51 8-bit microcontroller family 16KB OTP/ROM. 512B RAM low voltage (2.7 to 5.5 V). low power. high speed (30/33 MHZ). two 400KB I2C interfaces | 581K |   |   | 
| 2 | P83C661X2 | 80C51 8-bit microcontroller family | 587K |   |   | 
| 3 | P83C661X2BBD | 80C51 8-bit microcontroller family | 587K |   |   | 
| 4 | P83C661X2FA | 80C51 8-bit microcontroller family | 587K |   |   |