Products > Integrated Circuits (ICs) > Programmable Logic ICs > N80C188XL20

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  • Package/Case :
  • PLCC-68
  • Product Categories :
  • Microprocessor
  • RoHs Status:
  • Lead free / RoHS Compliant
  • In-stock:
  • 125


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N80C188XL20 Product Details


The Innovasic Semiconductor IA186XL and IA188XL microcontrollers are form, fit, and function replacements for the original Intel 80C186XL and 80C188XL 16-bit high-integration embedded processors. These devices are produced using Innovasic’s Managed IC Lifetime Extension System (MILES™). This cloning technology, which produces replacement ICs beyond simple emulations, ensures compatibility with the original device, including any “undocumented features.” Additionally, the MILES™ process captures the clone design in such a way that production of the clone can continue even as silicon technology advances. The IA186XL and IA188XL microcontrollers replace the obsolete Intel 80C186XL and 80C188XL devices, allowing users to retain existing board designs, software compilers/assemblers, and emulation tools, thereby avoiding expensive redesign efforts. 

General Description 

The Innovasic Semiconductor IA186XL and IA188XL microcontrollers have a set of base peripherals beneficial to many embedded applications and include a standard numeric interface, an interrupt control unit, a chip-select unit/Ready Generation Logic, a DRAM refresh control unit, a Power-Save Control unit, DMA and three 16-bit timer/counters. The IA186XL and IA188XL microcontrollers operate at 5.0 volts ± 10%. The following functional description describes the base architecture of the 80C186XL. The 80C186XL is a very high integration 16-bit microprocessor. It combines some of the most common microprocessor system components onto one chip. The 80C186XL is object-code compatible with the 8086/8088 microprocessors and adds ten new instruction types to the 8086/8088 instruction set. 

The 80C186XL has two major modes of operation, Compatible and Enhanced. In Compatible Mode, the 80C186XL is completely compatible with the 80186, with the exception of 8087 support. 

The Enhanced mode adds three new features to the system design. These are PowerSave control, Dynamic RAM refresh, and an asynchronous Numerics Coprocessor interface (80C186XL only). 


The primary features of the IA186XL and IA188XL microcontrollers are as follows: 

Form, fit, and function compatible version of the low power Intel 80C186XL/80C188XL Operation modes: 

– Enhanced mode 

o DRAM refresh control unit

o Power-save mode
o Direct interface to 80C187 (IA186XL only)
– Compatible mode
o Pin-for-pin replacement for NMOS 80186/80188 non-numeric applications
Integrated feature set
– Static, modular CPU
– Clock generator
– Two independent DMA channels
– Programmable interrupt controller
– Three programmable 16-bit timers
– Dynamic RAM refresh control unit
– Programmable memory and peripheral chip select logic
– Programmable wait state generator
– Local bus controller
– Power-save mode
– System-level testing support (high impedance test mode)
Completely object-code compatible with existing 8086/8088 software and has ten
additional instructions over 8086/8088
Crystal supports internal 20–25 MHz operation
Direct addressing capability to 1 MByte memory and 64 Kbyte I/O
Available in 68-Lead:
– Plastic Leaded Chip Carrier (PLCC)
Available in 80-Lead:
– Plastic Quad Flat Pack (PQFP)
– Low Profile Quad Flat Pack (LQFP)
Extended Temperature Range (-40°C to +85°C)


Technical Parameters

  • Supply Voltage (DC)
  • 5.00 V, 5.50 V (max)
  • Clock Speed
  • 20.0 MHz
  • Access Time
  • 20.0 µs
  • Processor Type
  • 80C188
  • Product Lifecycle Status
  • Obsolete
  • Packaging
  • Bulk
  • Mounting Style
  • Surface Mount
  • Number of Pins
  • 68
  • Case/Package
  • 68-LCC (J-Lead)
  • RoHS
  • RoHS Compliant
  • Lead Free Status
  • Lead free
  • HK STC License
  • NLR

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