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P87C51UFBB from PHI,Philips

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P87C51UFBB

Manufacturer: PHI, PHILIPS

80C51 8-bit microcontroller family 4K/128 OTP/ROM/ROMless low voltage 2.7V.5.5V, low power, high speed 33 MHz

Partnumber Manufacturer Quantity Availability
P87C51UFBB PHI, PHILIPS 522 In Stock

Description and Introduction

80C51 8-bit microcontroller family 4K/128 OTP/ROM/ROMless low voltage 2.7V.5.5V, low power, high speed 33 MHz The **P87C51UFBB** from PHILIPS (now NXP Semiconductors) is a high-performance 8-bit microcontroller based on the 80C51 architecture. Designed for embedded applications, this component combines robust processing capabilities with low power consumption, making it suitable for a wide range of industrial, automotive, and consumer electronics applications.  

Featuring **16 KB of on-chip Flash memory**, the P87C51UFBB allows for flexible program storage and in-system reprogramming, enhancing development efficiency. It operates at a clock speed of up to **33 MHz**, ensuring fast execution of instructions. The microcontroller includes **256 bytes of RAM**, three 16-bit timers/counters, and a versatile serial port for communication.  

Built with **low-power modes** (Idle and Power-down), the P87C51UFBB optimizes energy efficiency in battery-operated devices. Its enhanced 80C51 core supports advanced features such as **watchdog timer** and **programmable clock-out**, improving system reliability. With **32 I/O lines**, it provides ample connectivity for interfacing with peripherals.  

The P87C51UFBB is housed in a **PLCC-44 package**, ensuring compact integration into PCB designs. Its industrial-grade temperature range and robust architecture make it a dependable choice for demanding environments. Engineers favor this microcontroller for its balance of performance, power efficiency, and ease of integration.

Application Scenarios & Design Considerations

80C51 8-bit microcontroller family 4K/128 OTP/ROM/ROMless low voltage 2.7V.5.5V, low power, high speed 33 MHz

Alternative Part Number

  • AT89C51-24PU --: Pin-compatible 8051-family microcontroller with similar flash-based architecture, widely available and easy drop-in replacement for legacy 87C51 designs.
  • DS89C450-MNL --: High-speed 8051-compatible microcontroller with similar peripheral set and DIP package options, suitable for upgrading legacy Philips 87C51 designs.
  • W78E516B-40PL --: 8051-compatible microcontroller with embedded flash and similar pinout, offering a cost-effective alternative for legacy 87C51 applications.
  • AT89C51-24PC --: Pin-compatible 8051-family microcontroller with 4KB flash, widely available and a common drop-in replacement for P87C51 designs.
  • DS89C450-MNL --: High-speed 8051-compatible microcontroller in a similar package, offering higher performance and often used as an upgrade path for legacy 87C51 parts.
  • W78E516B-40PL --: 8051-compatible MCU with 64KB flash in PLCC package, functionally similar and a practical alternative when Philips parts are unavailable.

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