QU80386EXTC25 Intel, QU80386EXTC25 Datasheet

QU80386EXTC25

Manufacturer Part Number

QU80386EXTC25

Description

IC INT PROC 5V 25MHZ 132QFP

Manufacturer

Intel

Datasheet

1.QU80386EXTB25.pdf (56 pages)

Specifications of QU80386EXTC25

Processor Type

386EX

Features

32-bit, Extended Temp

Speed

25MHz

Voltage

Mounting Type

Surface Mount

Package / Case

132-QFP

Lead Free Status / RoHS Status

Lead free / RoHS Compliant

Other names

863826

Available stocks

Company

Part Number

Manufacturer

Quantity

Price

Company:

BOSTOCK HK LIMITED

Part Number:

QU80386EXTC25

Manufacturer:

Intel

Quantity:

10 000

Company:

Meier Automation Equipment Co., Limited

Part Number:

QU80386EXTC25

Manufacturer:

INTEL

Quantity:

20 000

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Intel386™ EX Embedded

Microprocessor

Product Features

This datasheet applies to devices marked EXTB and EXTC. If you require information about

devices marked EXSA or EXTA, refer to a previous revision of this datasheet, order number

272420-004.

Static Intel386™ CPU Core

Transparent Power-management System

Architecture

Powerdown Mode

Full 32-bit Internal Architecture

Runs Intel386 Architecture Software in a

Cost-effective 16-bit Hardware

Environment

High-performance 16-bit Data Bus

— Low Power Consumption

— Operating Power Supply

— Operating Frequency

— Intel System Management Mode

— Power Management Transparent to

— Programmable Power-management

— Clock Stopping at Any Time

— Only 10–20 µA Typical CPU Sink

— 8-, 16-, 32-bit Data Types

— 8 General Purpose 32-bit Registers

— Runs Same Applications and Operating

— Object Code Compatible with 8086,

— Two-clock Bus Cycles

— Address Pipelining Allows Use of

EXTB: 2.7 V to 3.6 V

EXTC: 4.5 V to 5.5 V

20 MHz EXTB at 2.7 V to 3.6 V

25 MHz EXTB at 3.0 V to 3.6 V;

25/33 MHz EXTC at 4.5 V to 5.5 V

Architecture Extension for Truly

Compatible Systems

Operating Systems and Application

Programs

Modes

Current

Systems as the Intel386 SX and Intel386

DX Processors

80186, 80286, and Intel386 Processors

Slower, Inexpensive Memories

Extended Temperature Range

Integrated Memory Management Unit

Virtual 8086 Mode Allows Execution of

8086 Software in a Protected and Paged

System

Large Uniform Address Space

On-chip Debugging Support Including

Breakpoint Registers

Complete System Development Support

High Speed CHMOS Technology

Two Package Types

Integrated Peripheral Functions

— Virtual Memory Support

— Optional On-chip Paging

— 4 Levels of Hardware-enforced

— MMU Fully Compatible with MMUs of

— 64 Megabyte Physical

— 64 Terabyte Virtual

— 4 Gigabyte Maximum Segment Size

— 132-pin Plastic Quad Flatpack

— 144-pin Thin Quad Flatpack

— Clock and Power Management Unit

— Chip-select Unit

— Interrupt Control Unit

— Timer/Counter Unit

— Watchdog Timer Unit

— Asynchronous Serial I/O Unit

— Synchronous Serial I/O Unit

— Parallel I/O Unit

— DMA and Bus Arbiter Unit

— Refresh Control Unit

— JTAG-compliant Test-logic Unit

Protection

the 80286 and Intel386 DX Processors

Order Number: 272420-007

Datasheet

October 1998

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