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P87C51X2BBD from PHILIPS

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P87C51X2BBD

Manufacturer: PHILIPS, NXP

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
P87C51X2BBD PHILIPS, NXP 619 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 **P87C51X2BBD** from **PHILIPS** is a high-performance 8-bit microcontroller based on the industry-standard **8051 architecture**. Designed for embedded applications requiring robust processing capabilities, this component integrates advanced features while maintaining compatibility with legacy 8051-based systems.  

Built with a **16KB OTP (One-Time Programmable) ROM**, the P87C51X2BBD offers reliable non-volatile memory for firmware storage, ensuring stable operation in industrial, automotive, and consumer electronics. Its **256-byte RAM** provides sufficient temporary data storage, while the **32 I/O lines** enable versatile interfacing with peripherals.  

The microcontroller operates at a **clock speed of up to 33 MHz**, delivering efficient execution of instructions. It includes essential peripherals such as **three 16-bit timers/counters**, a **full-duplex UART** for serial communication, and an **interrupt controller** for responsive event handling. Additionally, its **low-power idle and power-down modes** enhance energy efficiency in battery-operated applications.  

With **extended temperature range support** and robust EMI resistance, the P87C51X2BBD is well-suited for demanding environments. Its **OTP memory** ensures secure firmware storage, making it ideal for applications where data integrity is critical.  

Engineers favor this microcontroller for its balance of performance, reliability, and cost-effectiveness, making it a practical choice for a wide range of embedded designs.

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

  • AT89C51-24JC --: Pin-compatible 8051 microcontroller with similar 4KB flash and 24MHz operation, widely available and a common drop-in replacement for P87C51X2.
  • N78E517A --: Enhanced 8051 core with 4KB flash and similar peripheral set, direct functional substitute for the P87C51X2 in most applications.
  • STC89C52RC-40I-PDIP --: 8051-compatible MCU with 8KB flash, pin-compatible in DIP/QFP packages, low-cost alternative suitable for legacy Philips 87C51 designs.
  • AT89C51RD2-UM --: 8051-compatible MCU with similar 64KB flash and 1KB RAM, widely available and pin-compatible in many 44-pin packages.
  • STC89C52RC-40I-PDIP --: Classic 8051 core MCU with 8KB flash, low cost and easy drop-in replacement for legacy 8051 designs.
  • W78E516B40PL --: 8051-family MCU with 64KB flash and similar peripheral set, suitable as a functional substitute for the P87C51X2.

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