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P87C51RB2BN

80C51 8-bit microcontroller family 8KB/16KB/32KB/64KB OTP, 512B/512B/512B/1KB RAM, low voltage (2.7 to 5.5 V), low power, high speed (30/33 MHz)

Partnumber Manufacturer Quantity Availability
P87C51RB2BN 26 In Stock

Description and Introduction

80C51 8-bit microcontroller family 8KB/16KB/32KB/64KB OTP, 512B/512B/512B/1KB RAM, low voltage (2.7 to 5.5 V), low power, high speed (30/33 MHz) The **P87C51RB2BN** is a high-performance, 8-bit microcontroller from the 80C51 family, designed for embedded applications requiring robust processing capabilities and versatile peripheral integration. Manufactured with advanced CMOS technology, it combines low power consumption with efficient operation, making it suitable for industrial, automotive, and consumer electronics.  

Featuring **16KB of OTP (One-Time Programmable) ROM**, **512 bytes of RAM**, and a **256-byte expanded internal RAM**, the P87C51RB2BN supports complex program execution and data handling. Its architecture includes a **16-bit timer/counter**, a **programmable serial UART**, and **32 I/O lines**, providing flexibility for interfacing with sensors, displays, and communication modules.  

The microcontroller operates at a clock speed of up to **16MHz**, ensuring responsive real-time performance. Additional features include **power-saving idle and power-down modes**, enhancing energy efficiency in battery-powered applications. With built-in **watchdog timer** and **hardware interrupt capabilities**, it ensures reliable system monitoring and fault recovery.  

Compatible with the **MCS-51 instruction set**, the P87C51RB2BN simplifies firmware development while maintaining backward compatibility with legacy designs. Its durable construction and extended temperature range make it ideal for demanding environments.  

Engineers favor this microcontroller for its balance of performance, integration, and cost-effectiveness, making it a dependable choice for embedded system designs.

Application Scenarios & Design Considerations

80C51 8-bit microcontroller family 8KB/16KB/32KB/64KB OTP, 512B/512B/512B/1KB RAM, low voltage (2.7 to 5.5 V), low power, high speed (30/33 MHz)

Alternative Part Number

  • AT89C51RB2-IM --: Pin-compatible 8051 microcontroller with 16KB flash, similar RB2 memory density and 40-pin DIP package, widely available and drop-in for many legacy P87C51RB2BN designs.
  • W78E516B40PL --: 8051-compatible MCU with 64KB flash in 40-pin PLCC/DIP, same core architecture and pinout family, suitable replacement when extra flash is acceptable.
  • STC89C52RC-40I-PDIP --: Low-cost 8051-compatible microcontroller with 8KB flash in 40-pin DIP, same instruction set and pinout, good option for cost-sensitive legacy 8051 sockets.

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