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SCN8051HCCN40 from S

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SCN8051HCCN40

Manufacturer: S, Signetics

SINGLE CHIP 8 BIT MICROCONTROLLER

Partnumber Manufacturer Quantity Availability
SCN8051HCCN40 S, Signetics 43 In Stock

Description and Introduction

SINGLE CHIP 8 BIT MICROCONTROLLER The SCN8051HCCN40 is a microcontroller from the 8051 family, manufactured by NXP Semiconductors.  

### **Key Specifications:**  
- **Core:** 8051 (8-bit)  
- **Clock Speed:** 40 MHz  
- **Program Memory (Flash):** 32 KB  
- **RAM:** 1 KB  
- **Operating Voltage:** 2.7V to 5.5V  
- **Package:** PLCC (Plastic Leaded Chip Carrier)  
- **I/O Pins:** 32  
- **Timers/Counters:** 3 (16-bit)  
- **UART:** 1  
- **Interrupt Sources:** 7  
- **ADC:** None (Digital-only MCU)  
- **Operating Temperature:** -40°C to +85°C  

### **Features:**  
- **High-Speed 8051 Core:** Efficient 40 MHz operation with single-cycle execution for most instructions.  
- **In-System Programming (ISP):** Allows firmware updates without removing the chip.  
- **Power-Saving Modes:** Includes Idle and Power-Down modes for reduced power consumption.  
- **On-Chip Debug Support:** Facilitates easier debugging during development.  
- **Wide Voltage Range:** Supports operation from 2.7V to 5.5V, making it versatile for different applications.  
- **Industrial-Grade:** Designed for reliable performance in harsh environments (-40°C to +85°C).  

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

Application Scenarios & Design Considerations

SINGLE CHIP 8 BIT MICROCONTROLLER

Alternative Part Number

  • P89C51RC2HFA --: 8051-compatible microcontroller with similar core and package, widely available and functionally interchangeable in most designs.
  • AT89C51CC03C-SLSUM --: 8051-core MCU with comparable features and pinout, suitable drop-in replacement for legacy 8051 designs.
  • W78E516DPG --: 8051-compatible microcontroller with similar memory and I/O, commonly used as an alternative to older 8051 parts.
  • P80C51BH --: Intel 8051-family microcontroller with compatible 8051 core and instruction set, widely available as a functional substitute for the Signetics 8051 variant.
  • AT89C51 --: Flash-based 8051-compatible microcontroller with the same core architecture and pinout family, suitable for direct replacement in most designs.
  • DS89C450 --: High-speed 8051-compatible microcontroller offering drop-in functional compatibility with standard 8051 parts and improved performance.

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