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N80C188XL12 from INTEL

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N80C188XL12

Manufacturer: INTEL, INT, INTERSIL

16-Bit Microcontroller
Partnumber Manufacturer Quantity Availability
N80C188XL12 INTEL, INT, INTERSIL 22866 In Stock

Description and Introduction

16-Bit Microcontroller The **N80C188XL12** is a high-performance, 16-bit embedded microprocessor designed for demanding applications in industrial control, telecommunications, and real-time systems. As a member of the Intel MCS-186/188 family, it integrates essential peripherals, reducing the need for external components while delivering efficient processing power.  

Operating at **12 MHz**, the N80C188XL12 combines an enhanced 8088 CPU core with advanced features such as a built-in interrupt controller, programmable timers, and a direct memory access (DMA) unit. Its 16-bit architecture ensures faster data handling compared to traditional 8-bit processors, making it ideal for applications requiring rapid response times and multitasking capabilities.  

Key advantages include low power consumption, a flexible memory interface, and compatibility with a wide range of existing x86-based software. The integrated peripherals simplify system design, reducing development time and cost. Additionally, its robust design ensures reliable operation in harsh environments, making it suitable for industrial automation and embedded systems.  

Engineers favor the N80C188XL12 for its balance of performance, integration, and legacy support, ensuring seamless migration from earlier Intel processors. Whether used in data acquisition, process control, or communication systems, this microprocessor remains a dependable choice for embedded solutions.

Application Scenarios & Design Considerations

16-Bit Microcontroller

Alternative Part Number

  • AM188ES-40KC --: AMD's 80C188-compatible embedded microcontroller with the same 16-bit x86 core and bus interface, widely used as a drop-in replacement for Intel 80C188 designs.
  • R8C/18 --: 16-bit embedded MCU offering comparable peripheral set and bus timing for legacy 80C188 sockets, suitable when a full architecture change is acceptable.
  • Z80180 --: Z80-based 16-bit capable MPU with similar bus and interrupt structure, often considered for legacy Intel 80188 replacement in embedded control boards.
  • EE80C188XL12 --: Same 80C188XL family, 12 MHz, extended temperature grade; pin-compatible drop-in replacement.
  • TN80C188XL12 --: Same 80C188 core at 12 MHz in a different package option; electrically equivalent with matching bus timing.
  • 80C188-12 --: Second-source 80C188 compatible CPU at 12 MHz with equivalent instruction set and pinout.
  • 80C188XL12 --: Same 80C188XL 12 MHz embedded processor from Intel, identical core and pinout; only the lead-free/ordering prefix differs, making it a direct drop-in replacement.
  • AMD80C188-12 --: AMD second-source 80C188 microprocessor rated at 12 MHz with compatible architecture and pinout, widely used as a substitute for Intel 80C188 designs.
  • SAB80C188-12-N --: Siemens 80C188 CMOS 12 MHz variant with equivalent 80188-compatible core and bus interface, suitable as an alternative when Intel parts are unavailable.
  • 80C188XL-12 --: Original Intel 80C188XL 12 MHz embedded microprocessor; Intersil/Renesas second-sourced this exact device, so it is a direct form-fit-function replacement.

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