INTEL N80C188XL

Mfr. Part

N80C188XL

Manufacturer

Intel

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Detailed Description

Intel N80C188XL is a CMOS, high-integration 16-bit embedded processor based on the 80188 core

It uses an 8-bit external data bus and a 20-bit address bus for up to 1 MB memory addressing

It integrates common system peripherals on chip to reduce external components and simplify board design

Main Category Integrated Circuits ICs, Small Classification Specialized ICs

Current stock availability 2200 units

Key Features

80186/80188 instruction set compatible 16-bit CPU core

8-bit external data bus and 20-bit address bus

On-chip peripherals typically including timers, interrupt controller, chip-select and wait-state logic, serial interface, and clock generation (exact set varies by sub-variant, verify with datasheet)

Low power CMOS process for reduced power consumption

Static operation options in several speed grades

Mature, widely supported architecture and toolchain support

Key Advantages

High integration reduces component count, PCB area, and system cost

Simple 8-bit bus interface eases connection to low-cost memories and legacy 8-bit devices

Deterministic real-time behavior suitable for control systems

Long-proven reliability in industrial and commercial equipment

Large ecosystem and software base for 80186 class processors

Easier maintenance and drop-in continuation for legacy designs

Packaging

Package type code 1057 per Intel listing for this device family

Common physical package options for 80C188 family include PLCC and PQFP variants depending on sub-variant, please confirm exact mechanical drawing from the datasheet

Material molded plastic packages designed for reliability and standard SMT or through-hole assembly depending on variant

Typical pin counts in this family 68 to 80 pins with dedicated address, data, control, chip-select, reset, clock, and peripheral pins

Pin configuration includes 8-bit data bus, 20-bit address bus, multiple chip-select outputs, interrupt inputs, timer I O, and serial interface pins

Thermal characteristics are consistent with low power CMOS and industrial temperature options are available verify junction and ambient ratings in the datasheet for your exact package

Electrical properties include low supply current, TTL compatible I O, multiple speed grades and operating frequency ranges verify exact voltage and frequency requirements in the datasheet before design-in

Lifecycle

This is a legacy Intel embedded processor and many variants in the 80C186 80C188 family are discontinued or near end of life

Market availability may be limited and last time buy windows may have passed for some speeds and packages

Equivalent and alternative models are available depending on your requirements and can provide software-level compatibility or near drop-in fit

- Intel 80C188EB and 80C188EC family members verify pin-out and timing

- Intel 80C186XL if a 16-bit external bus is acceptable instead of 8-bit

- AMD Am188ES Am188EM and Am186ES Am186EM second-source 80186 80188 compatible devices verify package and electrical compatibility

- Infineon Siemens SAB80C188 and SAB80C186 family devices verify pin mapping and temperature grades

Please verify pin compatibility, voltage, timing, and peripheral set against your design constraints before substitution

If you need a modern path, consider migrating to a contemporary microcontroller with integrated peripherals and a software translation strategy

If you do not see a suitable equivalent for your exact N80C188XL configuration, contact our sales team via the Y-IC website for detailed cross reference support and availability

Key Application Areas

Industrial control and factory automation

Programmable logic controllers and motion control

Telecommunications and networking equipment

Office equipment such as printers and copiers

Medical and laboratory instruments maintenance and upgrades

Aerospace and defense legacy systems sustainment

Building management, HVAC, and energy systems

Embedded controllers in transportation and infrastructure

Retrofits and long-life maintenance for 80186 80188 based platforms

Datasheet

Y-IC hosts the most authoritative datasheet and technical documents for N80C188XL

We recommend downloading the current datasheet directly from this page to confirm exact features, package details, electrical limits, and timing

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