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TN80C186XL-20 from INT

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TN80C186XL-20

Manufacturer: INT, INTEL

16-Bit Microcontroller
Partnumber Manufacturer Quantity Availability
TN80C186XL-20,TN80C186XL20 INT, INTEL 6200 In Stock

Description and Introduction

16-Bit Microcontroller The TN80C186XL-20 is a microprocessor manufactured by Intel. Below are the factual specifications, descriptions, and features based on Ic-phoenix technical data files:  

### **Specifications:**  
- **Manufacturer:** Intel  
- **Part Number:** TN80C186XL-20  
- **Architecture:** 16-bit  
- **Clock Speed:** 20 MHz  
- **Data Bus Width:** 16-bit  
- **Address Bus Width:** 20-bit (1 MB addressable memory)  
- **Instruction Set:** x86 (8086/8088 compatible)  
- **Operating Voltage:** 5V  
- **Package Type:** PLCC (Plastic Leaded Chip Carrier) or other Intel 80C186-compatible package  
- **Operating Temperature Range:** Commercial (0°C to 70°C) or Industrial (-40°C to 85°C), depending on variant  

### **Descriptions:**  
- The TN80C186XL-20 is an enhanced version of the Intel 80186 microprocessor, offering improved performance and integrated peripherals.  
- It is part of Intel’s MCS-186 family, designed for embedded applications.  
- Includes on-chip features such as timers, DMA controllers, and interrupt controllers, reducing the need for external components.  
- Fully backward-compatible with the 8086/8088 instruction set.  

### **Features:**  
- **Integrated Peripherals:**  
  - Two DMA (Direct Memory Access) channels  
  - Three 16-bit programmable timers  
  - Programmable interrupt controller  
  - Clock generator  
  - Chip select unit  
- **Power Management:** Supports power-saving modes.  
- **Enhanced Performance:** Faster execution compared to the 8086 due to optimized instruction set and pipelining.  
- **On-Chip Memory Management:** Supports segmented memory architecture.  

This information is strictly based on the documented specifications of the TN80C186XL-20 by Intel.

Application Scenarios & Design Considerations

16-Bit Microcontroller

Alternative Part Number

  • EE80C186XL20 --: Same 80C186XL core and 20 MHz speed grade from Intel, with only the temperature/package prefix differing, so it is a direct functional drop-in.
  • MC68SEC000AA20 --: Pin-compatible 20 MHz 16-bit embedded processor with a similar bus interface, often used as a second-source substitute for 80C186-class designs.
  • Z84C0020PEC --: 20 MHz 16-bit CMOS microprocessor in the same embedded control class; requires glue-logic adaptation but is a viable alternative when the original is unavailable.
  • AM186EM-20 --: AMD's pin-compatible 80C186-compatible embedded microcontroller running at 20 MHz, widely used as a direct replacement for Intel 80C186XL designs.
  • 80C186EB-20 --: Intel 80C186EB variant at 20 MHz with similar core and bus interface, suitable when the XL low-power feature is not critical.
  • W80C186-20 --: Second-source 80C186-compatible microprocessor at 20 MHz, drop-in form/fit/function alternative for legacy Intel 80C186XL sockets.

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