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S87C751-1N24 from PHIL,Philips

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S87C751-1N24

Manufacturer: PHIL, NXP, PHI, NS

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

Partnumber Manufacturer Quantity Availability
S87C751-1N24,S87C7511N24 PHIL, NXP, PHI, NS 72 In Stock

Description and Introduction

80C51 8-bit microcontroller family 2K/64 OTP/ROM, I2C, low pin count The **S87C751-1N24** is a microcontroller manufactured by **PHILIPS (now NXP Semiconductors)**. Below are its specifications, descriptions, and features based on factual information:

### **Specifications:**
- **Manufacturer:** PHILIPS (NXP Semiconductors)  
- **Core:** 80C51 (8051-compatible)  
- **CPU Speed:** Up to **12 MHz**  
- **Program Memory (ROM):** **8 KB OTP (One-Time Programmable)**  
- **RAM:** **256 bytes**  
- **I/O Pins:** **15** (multiplexed with other functions)  
- **Timers:** **2 × 16-bit** (Timer 0 & Timer 1)  
- **Serial Interface:** **UART (Full-duplex)**  
- **Interrupt Sources:** **5** (2 external, 2 timer, 1 serial)  
- **Operating Voltage:** **4.5V to 5.5V**  
- **Package:** **DIP-24 (Dual In-line Package, 24 pins)**  
- **Operating Temperature:** **-40°C to +85°C**  

### **Descriptions:**
- The **S87C751-1N24** is a low-cost, high-performance **8-bit microcontroller** based on the **80C51 architecture**.  
- It features **OTP (One-Time Programmable) ROM**, making it suitable for production applications where firmware updates are not required.  
- Designed for **embedded control applications**, it includes essential peripherals like timers, UART, and I/O ports.  

### **Features:**
- **8051-compatible instruction set**  
- **8 KB OTP ROM for program storage**  
- **256 bytes of internal RAM**  
- **15 general-purpose I/O pins**  
- **Full-duplex UART for serial communication**  
- **Power-saving idle and power-down modes**  
- **Wide operating voltage range (4.5V–5.5V)**  
- **Industrial temperature range (-40°C to +85°C)**  
- **24-pin DIP package for easy prototyping**  

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

*(Note: The S87C751-1N24 is an older OTP-based microcontroller, and newer flash-based alternatives may be available from NXP.)*

Application Scenarios & Design Considerations

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

Alternative Part Number

  • P87C751-1N24 --: Same 87C751 8-bit microcontroller family with identical 24 MHz speed grade and pinout; NXP is the successor to Philips Semiconductors.
  • AT89C51 --: Widely available 8051-compatible microcontroller with similar architecture and I/O, commonly used as a drop-in replacement in legacy designs.
  • DS89C450 --: 8051-compatible microcontroller with higher performance and similar peripheral set, suitable for replacing legacy 87C751 designs.
  • AT89C4051-24PU --: Pin-compatible 8051-core microcontroller in a 24-pin DIP with 24 MHz operation, offering a widely available alternative with similar I/O and memory resources.
  • P89C51RD2HBA --: NXP 8051-compatible microcontroller with comparable core architecture and operating voltage, suitable when the exact 80C751 peripheral set is not strictly required.
  • AT89C751-24PC --: 8051-compatible 8-bit microcontroller with similar on-chip features and 24 MHz speed, suitable drop-in replacement in many designs.
  • DS87C750-ENL --: High-speed 8051-compatible microcontroller from the Dallas 87C750 family, offering comparable functionality for legacy Philips 87C751 sockets.
  • DS89C430 --: 8051-compatible high-speed microcontroller in DIP package that can substitute for legacy 87C751 designs when pin-level adaptation is acceptable.

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