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N80C188XL-12 from INT

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N80C188XL-12

Manufacturer: INT, INTEL

16-Bit Microcontroller

Partnumber Manufacturer Quantity Availability
N80C188XL-12,N80C188XL12 INT, INTEL 10243 In Stock

Description and Introduction

16-Bit Microcontroller The **N80C188XL-12** is a high-performance, 16-bit embedded microprocessor from the Intel MCS-188 family. Designed for industrial and embedded applications, this component combines the efficiency of the 8088 architecture with enhanced features such as integrated peripherals and improved power management. Operating at a clock speed of **12 MHz**, it delivers reliable performance for real-time control systems, communication devices, and automation solutions.  

Key features of the **N80C188XL-12** include an on-chip **DMA controller**, **programmable interrupt controller**, and **timer/counter units**, reducing the need for external support chips. Its **low-power CMOS technology** ensures energy efficiency, making it suitable for battery-powered or power-sensitive applications. Additionally, the processor supports a **16-bit external data bus** while maintaining compatibility with 8-bit peripherals, offering flexibility in system design.  

With **256 bytes of on-chip RAM** and a **24-bit address bus**, the N80C188XL-12 can access up to **16 MB of memory**, accommodating demanding embedded applications. Its robust architecture and integrated features make it a preferred choice for developers seeking a balance between performance and cost-effectiveness in industrial and embedded computing.  

Engineers value this microprocessor for its reliability, ease of integration, and backward compatibility with legacy systems, ensuring long-term viability in evolving technological environments.

Application Scenarios & Design Considerations

16-Bit Microcontroller

Alternative Part Number

  • 80C188-12 --: Same 80C188 CPU core at 12 MHz from the original second-source vendor; pin-compatible and widely available as a drop-in replacement.
  • TN80C188-12 --: Intel's extended-temperature 80C188 variant at 12 MHz with identical architecture and pinout, suitable where the XL grade is unavailable.
  • 80C188XL-16 --: Same 80C188XL family and package but rated at 16 MHz, so it is a faster speed-grade substitute that works at 12 MHz with margin.
  • AM188EM-12VC --: AMD's 80C188-compatible embedded microcontroller with the same 12 MHz speed grade and similar 16-bit bus interface, widely used as a drop-in replacement for Intel 80C188 designs.
  • SAB80C188-12-N --: Siemens second-source 80C188 variant at 12 MHz with the same core architecture and pinout, usable as an alternative in existing designs.

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