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TN80C186XL20 from INT

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TN80C186XL20

Manufacturer: INT, TI, INTEL

16-Bit Microcontroller

Partnumber Manufacturer Quantity Availability
TN80C186XL20 INT, TI, INTEL 4123 In Stock

Description and Introduction

16-Bit Microcontroller The **TN80C186XL20** is a microprocessor manufactured by **Intel**. Below are its specifications, descriptions, and features based on factual information:

### **Specifications:**
- **Manufacturer:** Intel  
- **Part Number:** TN80C186XL20  
- **Architecture:** 80C186 (Enhanced 80186)  
- **Data Bus Width:** 16-bit  
- **Address Bus Width:** 20-bit  
- **Clock Speed:** 20 MHz  
- **Operating Voltage:** 5V  
- **Technology:** CMOS  
- **Package Type:** Plastic Leaded Chip Carrier (PLCC)  
- **Instruction Set:** x86 (80186 compatible)  
- **On-Chip Peripherals:**  
  - DMA Controller  
  - Programmable Interrupt Controller  
  - Timer/Counter Units  
  - Chip Select Logic  

### **Descriptions:**
The **Intel TN80C186XL20** is a high-performance, low-power embedded microprocessor based on the 80C186 architecture. It integrates several system components, reducing the need for external chips in embedded applications. It is commonly used in industrial control, telecommunications, and automation systems.

### **Features:**
- **High Integration:** Combines CPU, DMA, timers, and interrupt controller in a single chip.  
- **Low Power Consumption:** CMOS technology ensures efficient power usage.  
- **Enhanced Performance:** 20 MHz clock speed improves execution speed over earlier 80186 variants.  
- **Wide Operating Temperature Range:** Suitable for industrial environments.  
- **On-Chip Memory Management:** Supports segmented memory addressing.  
- **Compatibility:** Fully backward-compatible with 80186/80188 software.  

This information is based solely on documented specifications from Intel.

Application Scenarios & Design Considerations

16-Bit Microcontroller

Alternative Part Number

  • EE80C186XL20 --: Same 80C186XL core and 20 MHz speed grade from Intel, with the EE prefix denoting the extended temperature version; functionally equivalent and often a drop-in substitute.
  • MC68SEC000AA20 --: Industry-standard 16-bit embedded microprocessor with a similar bus interface and 20 MHz operation; commonly used as a cross-architecture replacement in legacy 80186-class designs.
  • Z8018006VSC --: Z180-series embedded MPU with an 80186-compatible peripheral set and bus structure; a well-known alternative for legacy embedded control applications.
  • Z84C0020PEG --: 20 MHz 16-bit Z80-compatible CPU offering a comparable legacy embedded processing solution when redesign is acceptable.
  • AM186ES-20VC --: AMD's pin-compatible 80186-compatible embedded microcontroller running at 20 MHz, a direct functional replacement for the TN80C186XL20 in most legacy designs.
  • R80C186XL20 --: Intel 80C186XL in a different package/grade naming, same 20 MHz core and instruction set, suitable when the original TN suffix part is unavailable.
  • W80C186-20 --: Innovasic second-source 80C186-compatible CPU at 20 MHz, drop-in replacement for obsolete Intel 80C186XL parts in industrial and telecom boards.

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