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P80C51RA+5B from PHILIPS

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P80C51RA+5B

Manufacturer: PHILIPS, PHI

80C51 8-bit microcontroller family 8K.64K/256.1K OTP/ROM/ROMless, low voltage 2.7V.5.5V, low power, high speed 33 MHz

Partnumber Manufacturer Quantity Availability
P80C51RA+5B,P80C51RA5B PHILIPS, PHI 4164 In Stock

Description and Introduction

80C51 8-bit microcontroller family 8K.64K/256.1K OTP/ROM/ROMless, low voltage 2.7V.5.5V, low power, high speed 33 MHz The **P80C51RA+5B** from **PHILIPS** is an advanced 8-bit microcontroller based on the industry-standard **80C51 architecture**. Designed for high-performance embedded applications, it combines robust processing capabilities with low power consumption, making it suitable for industrial control, automation, and consumer electronics.  

Featuring an enhanced **8051 core**, the P80C51RA+5B operates at **5V supply voltage** and supports a clock frequency of up to **33 MHz**, ensuring efficient execution of complex tasks. It includes **8 KB of on-chip ROM** and **256 bytes of RAM**, providing ample memory for program storage and data handling. Additional features such as **three 16-bit timers/counters**, a **programmable serial UART**, and **32 I/O lines** enhance its versatility in interfacing with peripherals.  

The microcontroller also integrates **power-saving modes**, including **Idle** and **Power-Down**, which optimize energy efficiency in battery-operated devices. Its **extended temperature range** and **high noise immunity** ensure reliable operation in demanding environments.  

With its **in-system programming (ISP) capability**, the P80C51RA+5B simplifies firmware updates, reducing development time. Its compatibility with existing 80C51 tools and libraries further eases integration into legacy systems.  

A dependable choice for engineers, the **P80C51RA+5B** delivers a balance of performance, power efficiency, and flexibility for modern embedded designs.

Application Scenarios & Design Considerations

80C51 8-bit microcontroller family 8K.64K/256.1K OTP/ROM/ROMless, low voltage 2.7V.5.5V, low power, high speed 33 MHz

Alternative Part Number

  • AT89C51RC-24PU --: Pin-compatible 8051 microcontroller with 32KB flash and similar 40-pin DIP footprint, widely available and easy drop-in replacement.
  • W78E516B40PL --: 8051-compatible MCU with 64KB flash in 44-pin PLCC, matching the original PLCC package and offering comparable performance.
  • DS89C450-MNL --: High-speed 8051-compatible microcontroller in 44-pin PLCC with 64KB flash, suitable as a functional upgrade alternative.
  • AT89C51RC-24PU --: Pin-compatible 8051 microcontroller with 32KB flash and 5V operation, widely available and a common drop-in replacement for the P80C51RA.
  • W78E516B-40PL --: 8051-compatible MCU with 64KB flash in a 44-pin PLCC package, matching the 5V 8051 architecture and offering similar peripheral set.
  • STC89C52RC-40I-PLCC44 --: Low-cost 8051-compatible microcontroller in PLCC44 with 8KB flash and 5V supply, suitable as a functional substitute for legacy 80C51 designs.

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