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TN80C251SB16 from INTEL

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TN80C251SB16

Manufacturer: INTEL

HIGH-PERFORMANCE CHMOS MICROCONTROLLER

Partnumber Manufacturer Quantity Availability
TN80C251SB16 INTEL 1235 In Stock

Description and Introduction

HIGH-PERFORMANCE CHMOS MICROCONTROLLER The **TN80C251SB16** is a microcontroller manufactured by **Intel**. Below are its specifications, descriptions, and features based on the available knowledge:  

### **Specifications:**  
- **Manufacturer:** Intel  
- **Part Number:** TN80C251SB16  
- **Core:** 80C251 (enhanced 8051 architecture)  
- **Data Bus Width:** 8-bit  
- **Maximum Clock Frequency:** 16 MHz  
- **Program Memory Size:** 8 KB (ROM)  
- **RAM Size:** 256 bytes  
- **Number of I/O Pins:** 32  
- **Operating Voltage:** 4.5V to 5.5V  
- **Package Type:** PLCC (Plastic Leaded Chip Carrier)  
- **Operating Temperature Range:** Commercial (0°C to 70°C) or Industrial (-40°C to 85°C) depending on variant  

### **Descriptions & Features:**  
- **Enhanced 8051 Architecture:** The 80C251 core provides improved performance over the standard 8051 with additional instructions and faster execution.  
- **16 MHz Operation:** Higher clock speed allows for faster processing compared to earlier 8051 variants.  
- **On-Chip Memory:** Includes 8 KB of ROM for program storage and 256 bytes of RAM for data.  
- **Expanded Addressing:** Supports larger memory spaces compared to the original 8051.  
- **Power Efficiency:** CMOS technology ensures low power consumption.  
- **Versatile I/O:** 32 programmable I/O pins for interfacing with external peripherals.  
- **Timers & Interrupts:** Includes multiple timers/counters and interrupt sources for real-time control.  
- **Serial Communication:** Built-in UART for serial data communication.  

This microcontroller was commonly used in embedded systems, industrial controls, and automation applications.  

Would you like any additional technical details?

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