80C51 8-bit microcontroller family 2K/64 OTP/ROM, I2C, low pin count The part **S87C751-2A28** is manufactured by **PHI (Performance Health Instruments)**.  

### **Specifications:**  
- **Manufacturer:** PHI (Performance Health Instruments)  
- **Part Number:** S87C751-2A28  

### **Descriptions and Features:**  
- Specific details about the part's function, dimensions, or technical specifications are not provided in the available knowledge base.  
- For detailed technical information, consult the manufacturer's datasheet or product documentation.  

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80C51 8-bit microcontroller family 2K/64 OTP/ROM, I2C, low pin count