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P80C31SBPN from PHI,Philips

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P80C31SBPN

Manufacturer: PHI, NXP

80C51 8-bit microcontroller family 128/256 byte RAM ROMless low voltage (2.7 V-5.5 V), low power, high speed (33 MHz)

Partnumber Manufacturer Quantity Availability
P80C31SBPN PHI, NXP 4016 In Stock

Description and Introduction

80C51 8-bit microcontroller family 128/256 byte RAM ROMless low voltage (2.7 V-5.5 V), low power, high speed (33 MHz) The **P80C31SBPN** from PHILIPS (now NXP Semiconductors) is a high-performance, 8-bit microcontroller based on the 80C51 architecture. Designed for embedded applications, it combines reliability with efficient processing capabilities, making it suitable for industrial control, automation, and consumer electronics.  

Featuring an enhanced CMOS core, the P80C31SBPN operates at clock speeds up to **16 MHz**, delivering robust performance while maintaining low power consumption. It includes **128 bytes of on-chip RAM** and supports **4 KB of external program memory**, providing flexibility for diverse firmware requirements. The microcontroller integrates essential peripherals such as **two 16-bit timers/counters**, a **full-duplex UART**, and **32 programmable I/O lines**, enabling seamless interfacing with external devices.  

Built with **industrial-grade durability**, the P80C31SBPN operates across a wide voltage range (4.5V–5.5V) and temperature range (-40°C to +85°C), ensuring stability in harsh environments. Its instruction set is fully compatible with the MCS-51 family, allowing easy migration from legacy designs.  

With its balance of speed, power efficiency, and integration, the P80C31SBPN remains a dependable choice for developers seeking a proven microcontroller solution. Its versatility and robust architecture make it well-suited for applications demanding precision and reliability.

Application Scenarios & Design Considerations

80C51 8-bit microcontroller family 128/256 byte RAM ROMless low voltage (2.7 V-5.5 V), low power, high speed (33 MHz)

Alternative Part Number

  • AT89C51-24PC --: Pin-compatible 8051 microcontroller with 4KB flash, widely available and a common drop-in replacement for the P80C31 in legacy designs.
  • W78E516B40PL --: 8051-compatible MCU with similar 40-pin DIP footprint and instruction set, suitable for replacing the P80C31SBPN in existing sockets.
  • DS89C430-MNL --: High-speed 8051-compatible microcontroller in 40-pin package, offering faster execution while maintaining code compatibility with the original part.
  • AT89C51-24PC --: Pin-compatible 8051 microcontroller with 4KB flash, widely available and a common drop-in replacement for the P80C31 in many legacy designs.
  • W78E516B40PL --: 8051-compatible MCU in a 40-pin DIP package with similar pinout and timing, suitable for replacing the P80C31SBPN in existing sockets.
  • DS89C430-MNG --: High-speed 8051-compatible microcontroller in 40-pin DIP with enhanced performance and compatible instruction set, usable as a functional substitute.

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