INTEL N80C188XL20 EN80C188XL20

Mfr. Part

EN80C188XL20

Manufacturer

Intel

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Detailed Description

Intel 80C188XL family embedded processor, 16-bit x86-compatible core with an 8-bit external bus. Typical speed grade 20 MHz. Low-power CHMOS design. Packaged in PLCC-68 for board-friendly, socketable mounting. Classified under Integrated Circuits (ICs), Specialized ICs. Current available stock quantity: 1560 units.

Key Features

16-bit CPU core compatible with 8086/80186 instruction set

8-bit external data bus for simpler, lower-cost memory interfacing

Integrated peripherals (timers, interrupt controller, chip-select unit, DMA in the family)

Static design with power-saving modes in XL variants

Flexible bus timing and wait-state generation for slow peripherals

On-chip clock control and ready/hold handshaking

Wide operating temperature options in family variants

PLCC-68 package for socket or reflow use

Key Advantages

Mature x86 ecosystem and toolchain support

Proven reliability in industrial and commercial systems

Lower BOM and board space due to integrated functions

Easy migration from 8086/8088-based designs

Simplified 8-bit bus lowers memory and glue-logic cost

Long field history and abundant documentation

Packaging

Type: PLCC-68 (Plastic Leaded Chip Carrier, 68 J-leads)

Material: Molded plastic body, tin/lead or lead-free plating depending on lot; confirm with datasheet and lot certs

Approximate size: ~24 mm x 24 mm body, ~3–4 mm height; J-lead pitch ~1.27 mm

Pin configuration highlights: AD0–AD7 multiplexed address/data, A8–A19 address lines, RD, WR, ALE, M/IO, DEN, DT/R, HOLD, HLDA, INTR, NMI, CLKIN, chip-select outputs (family dependent)

Thermal characteristics: Designed for forced or natural convection; typical PLCC-68 thermal resistance is moderate; use heatsinking via PCB copper; confirm RθJA/RθJC in datasheet

Electrical properties (family level): Low-power CHMOS; TTL/CMOS-compatible I/O; standard x86 bus timing; 20-bit addressing with segment registers; supply and timing limits must be taken from the specific XL/grade datasheet

Shipping form: Typically tubes or trays; moisture sensitivity level per JEDEC for plastic ICs; check lot-specific MSL

Package info from listing: PLCC68; vendor internal case code reference 1503

Lifecycle

Status: Legacy product family; many Intel 80C186/80C188 variants are discontinued or near end-of-life. Availability is limited and lot-specific.

Recommended action: Validate supply and last-time-buy windows with Y-IC. We can source remaining stock or vetted equivalents.

Equivalent or alternative models to consider (verify pinout, voltage, timing, and peripheral set):

- Intel 80C188XL16, 80C188EB20, 80C186XL20, 80C186EB (package and features differ)

- AMD Am188EM, Am188ED, Am186EM (80186-compatible, integrated peripherals, various packages)

- NEC V40 (80186-class with 8-bit bus), NEC V41 (16-bit bus), different feature sets

- Embedded modules using 80186/188 cores from third-party vendors (package and interface differ)

If an exact drop-in equivalent is not confirmed, contact our sales team via the Y-IC website for a compatibility review and sourcing plan.

Key Application Areas

Industrial control and factory automation

Motion control, CNC, robotics

Telecom equipment and networking line cards

Test and measurement instruments

Printers, POS terminals, kiosks

Building management and HVAC controllers

Legacy system maintenance and upgrades

Datasheet

Our website hosts the most authoritative datasheet for this product. Download the datasheet on this page to get exact electrical limits, timing, pinout, package drawings, and temperature grades.

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