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P87C51X2BN from PHILIPS

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P87C51X2BN

Manufacturer: PHILIPS, PHI

80C51 8-bit microcontroller family 4K/8K/16K/32K ROM/OTP 128B/256B RAM low voltage (2.7 to 5.5 V), low power, high speed (30/33 MHz)

Partnumber Manufacturer Quantity Availability
P87C51X2BN PHILIPS, PHI 17 In Stock

Description and Introduction

80C51 8-bit microcontroller family 4K/8K/16K/32K ROM/OTP 128B/256B RAM low voltage (2.7 to 5.5 V), low power, high speed (30/33 MHz) The **P87C51X2BN** is an advanced 8-bit microcontroller from **PHILIPS Semiconductors** (now NXP), designed for embedded control applications. Based on the industry-standard **80C51** architecture, this component combines high performance with low power consumption, making it suitable for a wide range of industrial, automotive, and consumer electronics applications.  

Featuring **16 KB of on-chip OTP (One-Time Programmable) ROM**, **512 bytes of RAM**, and a robust instruction set, the P87C51X2BN supports complex real-time operations with efficiency. It operates at a clock frequency of up to **33 MHz**, ensuring rapid execution of instructions. Additional features include **three 16-bit timers/counters**, a **full-duplex UART** for serial communication, and **32 programmable I/O lines** for interfacing with peripherals.  

The microcontroller incorporates power-saving modes such as **Idle** and **Power-Down**, enhancing energy efficiency in battery-operated systems. Its durable design ensures reliable performance in harsh environments, with industrial-grade temperature tolerance.  

Engineers favor the P87C51X2BN for its compatibility with existing 80C51-based designs, ease of integration, and cost-effective development. Whether used in automation, instrumentation, or communication systems, this microcontroller delivers dependable control and processing capabilities.  

For developers seeking a proven, high-performance solution, the P87C51X2BN remains a versatile choice in modern embedded system design.

Application Scenarios & Design Considerations

80C51 8-bit microcontroller family 4K/8K/16K/32K ROM/OTP 128B/256B RAM low voltage (2.7 to 5.5 V), low power, high speed (30/33 MHz)

Alternative Part Number

  • AT89C51-24PC --: Pin-compatible 8051 microcontroller with 4KB flash, widely available and a common drop-in replacement for the P87C51X2 in legacy designs.
  • N87C51 --: Original 8051-family EPROM microcontroller with matching architecture and pinout, suitable for existing Philips 87C51X2 sockets.
  • DS89C450-MNL --: 8051-compatible high-speed microcontroller in 40-pin DIP that can replace the P87C51X2BN with faster execution and similar peripheral set.
  • AT89C51-24PC --: Pin-compatible 8051 microcontroller with 4KB flash, widely available and a common drop-in replacement for the P87C51X2 in DIP-40 sockets.
  • DS89C450-MNL --: 8051-compatible microcontroller in DIP-40 with faster core and similar peripheral set, suitable where higher throughput is acceptable.
  • W78E516B-40PL --: 8051-core microcontroller in DIP-40 with 64KB flash, offering a functional substitute when extra program memory is acceptable.

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