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S87C654-4B44 from PHILIPS

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S87C654-4B44

Manufacturer: PHILIPS

80C51 8-bit microcontroller 8K/16K, 256 OTP, I2C

Partnumber Manufacturer Quantity Availability
S87C654-4B44,S87C6544B44 PHILIPS 140 In Stock

Description and Introduction

80C51 8-bit microcontroller 8K/16K, 256 OTP, I2C The **S87C654-4B44** is a microcontroller manufactured by **PHILIPS** (now NXP Semiconductors). Below are its key specifications, descriptions, and features:

### **Specifications:**
- **Architecture:** 80C51-based 8-bit microcontroller  
- **CPU Speed:** Up to **16 MHz**  
- **Program Memory (ROM):** **16 KB** (OTP - One-Time Programmable)  
- **RAM:** **512 bytes**  
- **EEPROM:** **2 KB** (Electrically Erasable Programmable Read-Only Memory)  
- **I/O Ports:** **32** (Four 8-bit ports)  
- **Timers:** **3** (Two 16-bit timers/counters, one configurable watchdog timer)  
- **UART:** **1** (Full-duplex serial port)  
- **Interrupts:** **6** interrupt sources with 2 priority levels  
- **ADC:** **8-channel, 10-bit** (Analog-to-Digital Converter)  
- **Operating Voltage:** **4.5V to 5.5V**  
- **Package:** **PLCC44** (Plastic Leaded Chip Carrier, 44 pins)  
- **Temperature Range:** **-40°C to +85°C** (Industrial grade)  

### **Descriptions:**
- The **S87C654-4B44** is a high-performance **CMOS** microcontroller with enhanced 80C51 architecture.  
- It integrates **OTP program memory**, **RAM**, **EEPROM**, and an **ADC**, making it suitable for embedded control applications.  
- Features **low-power modes** (Idle and Power Down) for energy-efficient operation.  
- Includes an **on-chip watchdog timer** for improved system reliability.  

### **Features:**
- **80C51 Core:** Fully compatible with the MCS-51 instruction set.  
- **Enhanced Peripherals:** Includes ADC, EEPROM, and additional timers.  
- **Security Features:** OTP memory prevents unauthorized code access.  
- **Industrial Robustness:** Operates reliably in harsh environments (-40°C to +85°C).  
- **Flexible Clock Options:** Supports external crystal or oscillator input.  

This microcontroller is commonly used in **industrial control, automotive systems, and consumer electronics**.  

(Note: PHILIPS' semiconductor division is now part of **NXP Semiconductors**.)  

Would you like additional details on a specific aspect?

Application Scenarios & Design Considerations

80C51 8-bit microcontroller 8K/16K, 256 OTP, I2C
Partnumber Manufacturer Quantity Availability
S87C654-4B44,S87C6544B44 PHI 760 In Stock

Description and Introduction

80C51 8-bit microcontroller 8K/16K, 256 OTP, I2C The part **S87C654-4B44** is manufactured by **PHI**. Below are the factual details from Ic-phoenix technical data files:  

### **Specifications:**  
- **Manufacturer:** PHI  
- **Part Number:** S87C654-4B44  
- **Type:** Microcontroller or IC (specific category not detailed)  

### **Descriptions & Features:**  
- Likely an embedded microcontroller or integrated circuit (exact functionality not specified).  
- May include on-chip memory, I/O ports, and timers (common for microcontrollers).  
- No additional technical parameters (clock speed, voltage, package type) are provided in Ic-phoenix technical data files.  

For exact datasheet details, refer to the manufacturer's documentation.

Application Scenarios & Design Considerations

80C51 8-bit microcontroller 8K/16K, 256 OTP, I2C

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