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P87C54X2BN from NXP,NXP Semiconductors

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P87C54X2BN

Manufacturer: NXP, 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
P87C54X2BN NXP, PHI 50000 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 **P87C54X2BN** is an advanced 8-bit microcontroller from Philips (now NXP Semiconductors), designed for embedded control applications. Based on the 80C51 architecture, it combines high performance with low power consumption, making it suitable for industrial, automotive, and consumer electronics.  

This microcontroller features **16KB of OTP (One-Time Programmable) ROM**, 256 bytes of RAM, and a wide operating voltage range (2.7V to 5.5V), ensuring flexibility in power-sensitive designs. Its enhanced instruction set and 6-clock operation per machine cycle improve execution speed, while multiple power-saving modes extend battery life in portable applications.  

The P87C54X2BN includes **32 I/O lines**, three 16-bit timers/counters, a full-duplex UART for serial communication, and an interrupt structure with five sources. Its robust design supports extended temperature ranges, enhancing reliability in harsh environments.  

Engineers favor this component for its ease of integration, backward compatibility with the 80C51 family, and cost-effective OTP memory solution for medium-scale production. Whether used in motor control, sensor interfacing, or data acquisition, the P87C54X2BN delivers efficient processing and dependable performance.  

With its balanced features and proven architecture, this microcontroller remains a practical choice for developers seeking a reliable embedded solution.

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

  • AT89C54-24PU --: Pin-compatible 8051 microcontroller with 16KB flash, similar to the P87C54X2BN, widely available and easy to source.
  • W78E54B-40PL --: 8051-compatible MCU with 16KB flash and similar peripheral set, drop-in replacement for many P87C54 designs.
  • STC89C54RD+ --: 8051 core MCU with 16KB flash, compatible instruction set and pinout, low-cost alternative for legacy designs.
  • AT89C54-24PC --: Pin-compatible 8051-family microcontroller with 16KB flash, similar to the P87C54X2 OTP device; widely available and easy to program.
  • W78E54B-24PL --: 8051-compatible MCU with 16KB flash and similar peripheral set, drop-in replacement in most legacy 87C54 designs.
  • DS89C450-ENL --: High-speed 8051-compatible microcontroller with 64KB flash, can replace P87C54X2 in existing sockets with minor firmware adjustments.

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