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P89C738ABA from PHI,Philips

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P89C738ABA

Manufacturer: PHI, PHILIPS

8-bit Flash microcontrollers

Partnumber Manufacturer Quantity Availability
P89C738ABA PHI, PHILIPS 120 In Stock

Description and Introduction

8-bit Flash microcontrollers The **P89C738ABA** from PHILIPS (now NXP Semiconductors) is an advanced 8-bit microcontroller based on the 80C51 architecture. Designed for embedded applications, it combines high performance with low power consumption, making it suitable for industrial, automotive, and consumer electronics.  

Featuring **8 KB of OTP (One-Time Programmable) ROM**, **256 bytes of RAM**, and a versatile set of peripherals, the P89C738ABA supports a wide range of functions. It includes **three 16-bit timers/counters**, a **full-duplex UART** for serial communication, and **32 programmable I/O lines**, offering flexibility for interfacing with external devices.  

Operating at a clock speed of up to **12 MHz**, this microcontroller ensures efficient execution of instructions while maintaining power efficiency. Its **low EMI (Electromagnetic Interference)** design enhances reliability in noise-sensitive environments. Additionally, the **watchdog timer** and **power-saving idle/power-down modes** contribute to robust system performance and energy management.  

The P89C738ABA is housed in a **PLCC44 package**, ensuring compact integration into circuit designs. With its combination of performance, durability, and adaptability, it remains a dependable choice for developers seeking a cost-effective yet powerful microcontroller solution.  

For detailed specifications, always refer to the official datasheet to ensure compatibility with your application requirements.

Application Scenarios & Design Considerations

8-bit Flash microcontrollers

Alternative Part Number

  • AT89C51-24PC --: Pin-compatible 8051-family microcontroller from Atmel/Microchip with similar architecture and 24 MHz operation, widely available as a drop-in replacement for legacy Philips 8-bit MCUs.
  • W78E516B-40PL --: Nuvoton 8051-compatible microcontroller with comparable core, memory and I/O features, commonly used to replace Philips P89C series parts in existing designs.
  • STC89C52RC-40I-PDIP --: Low-cost 8051-compatible MCU with similar pinout and instruction set, suitable as a functional substitute where exact Philips timing is not critical.
  • AT89C51-24PC --: Classic 8051-compatible microcontroller in a 40-pin DIP package, widely available and functionally similar to the P89C738 in many legacy designs.
  • W78E516B-40PL --: 8051-core microcontroller with comparable peripheral set and 5V operation, often used as a drop-in replacement for Philips 89C series parts.
  • STC89C52RC-40I-PDIP --: Low-cost 8051-compatible MCU with similar pinout and 5V operation, suitable for replacing older Philips 89C7xx devices in existing boards.

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