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80C286 Dataheets PDF



Part Number 80C286
Manufacturers Harris
Logo Harris
Description High Performance Microprocessor
Datasheet 80C286 Datasheet80C286 Datasheet (PDF)

SEMICONDUCTOR 80C286 March 1997 High Performance Microprocessor with Memory Management and Protection Features Description • Compatible with NMOS 80286 • Wide Range of Clock Rates - DC to 25MHz (80C286-25) - DC to 20MHz (80C286-20) - DC to 16MHz (80C286-16) - DC to 12.5MHz (80C286-12) - DC to 10MHz (80C286-10) • Static CMOS Design for Low Power Operation - ICCSB = 5mA Maximum - ICCOP = 185mA Maximum (80C286-10) 220mA Maximum (80C286-12) 260mA Maximum (80C286-16) 310mA Maximum (80C286-20) 4.

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SEMICONDUCTOR 80C286 March 1997 High Performance Microprocessor with Memory Management and Protection Features Description • Compatible with NMOS 80286 • Wide Range of Clock Rates - DC to 25MHz (80C286-25) - DC to 20MHz (80C286-20) - DC to 16MHz (80C286-16) - DC to 12.5MHz (80C286-12) - DC to 10MHz (80C286-10) • Static CMOS Design for Low Power Operation - ICCSB = 5mA Maximum - ICCOP = 185mA Maximum (80C286-10) 220mA Maximum (80C286-12) 260mA Maximum (80C286-16) 310mA Maximum (80C286-20) 410mA Maximum (80C286-25) • High Performance Processor (Up to 19 Times the 8086 Throughput) • Large Address Space • 16 Megabytes Physical/1 Gigabyte Virtual per Task • Integrated Memory Management, Four-Level Memory Protection and Support for Virtual Memory and Operating Systems • Two 80C86 Upward Compatible Operating Modes - 80C286 Real Address Mode - PVAM The Harris 80C286 is a static CMOS version of the NMOS 80286 microprocessor. The 80C286 is an advanced, highperformance microprocessor with specially optimized capabilities for multiple user and multi-tasking systems. The 80C286 has built-in memory protection that supports operating system and task isolation as well as program and data privacy within tasks. A 25MHz 80C286 provides up to nineteen times the throughput of a standard 5MHz 8086. The 80C286 includes memory management capabilities that map 230 (one gigabyte) of virtual address space per task into 224 bytes (16 megabytes) of physical memory. The 80C286 is upwardly compatible with 80C86 and 80C88 software (the 80C286 instruction set is a superset of the 80C86/80C88 instruction set). Using the 80C286 real address mode, the 80C286 is object code compatible with existing 80C86 and 80C88 software. In protected virtual address mode, the 80C286 is source code compatible with 80C86 and 80C88 software but may require upgrading to use virtual address as supported by the 80C286’s integrated memory management and protection mechanism. Both modes operate at full 80C286 performance and execute a superset of the 80C86 and 80C88 instructions. The 80C286 provides special operations to support the efficient implementation and execution of operating systems. For example, one instruction can end execution of one task, save its state, switch to a new task, load its state, and start execution of the new task. The 80C286 also supports virtual memory systems by providing a segment-not-present exception and restartable instructions. • Compatible with 80287 Numeric Data Co-Processor • High Bandwidth Bus Interface (25 Megabyte/Sec) • Available In - 68 Pin PGA (Commercial, Industrial, and Military) - 68 Pin PLCC (Commercial and Industrial) Ordering Information PACKAGE PGA PLCC TEMP. RANGE 0oC to +70oC -40oC to +85oC -55oC to +125oC 0oC to +70oC -40oC to +85oC 10MHz - IG80C286-10 59629067801MXC IS80C286-10 12.5MHz CG80C286-12 IG80C286-12 59629067802MXC CS80C286-12 IS80C286-12 16MHz CG80C286-16 - CS80C286-16 IS80C286-16 20MHz CG80C286-20 - CS80C286-20 IS80C286-20 25MHz - CS80C286-25 - PKG. NO. G68.B G68.B G68.B N68.95 N68.95 CAUTION: These devices are sensitive to electrostatic discharge. Users should follow proper IC Handling Procedures. Copyright © Harris Corporation 1997 3-68 File Number 2947.2 Pinouts 80C286 68 LEAD PGA Component Pad View - As viewed from underside of the component when mounted on the board. ERROR D15 D7 D14 D6 D13 D5 D12 D4 D11 D3 D10 D2 D9 D1 D8 VSS D0 A0 D0 A2 A1 VCC CLK A3 RESET A5 A4 A7 A6 A9 A8 A11 A10 A13 A12 35 37 39 41 43 45 47 49 51 34 36 38 40 42 44 46 48 50 53 52 32 33 55 54 30 31 57 56 28 29 59 58 26 27 61 60 24 25 63 62 22 23 65 64 20 21 67 66 18 19 16 14 12 10 8 6 4 2 68 17 15 13 11 9 7 5 3 1 ERROR NC NC BUSY INTR NC NMI NC PEREQ VSS READY VCC HLDA HOLD M / IO COD / INTA NC LOCK PIN 1 INDICATOR A14 A12 A16 A15 A18 A17 A20 A19 VSS A21 A23 A22 S0 PEACK NC S1 BHE NC 68 LEAD PGA P.C. Board View - As viewed from the component side of the P.C. board. ERROR D15 D7 D14 D6 D13 D5 D12 D4 D11 D3 D10 D2 D9 D1 D8 D0 VSS NC ERROR BUSY NC NC INTR NC NMI VSS PEREQ VCC READY HOLD HLDA COD / INTA M / IO LOCK NC 51 49 47 45 43 41 39 37 35 52 53 50 48 46 44 42 40 38 36 34 54 55 33 32 56 57 31 30 58 59 29 28 60 61 27 26 62 63 25 24 64 65 23 22 66 67 21 20 68 2 4 6 8 10 12 14 16 19 18 1 3 5 7 9 11 13 15 17 D0 A0 A1 A2 CLK VCC RESET A3 A4 A5 A6 A7 A8 A9 A10 A11 A12 A13 PIN 1 INDICATOR BHE NC NC S1 S0 PEACK A23 A22 VSS A21 A20 A19 A18 A17 A16 A15 A14 A12 3-69 Pinouts (Continued) 80C286 68 LEAD PLCC P.C. Board View - As viewed from the component side of the P.C. board. LOCK M / IO COD / INTA HLDA HOLD READY VCC PEREQ VSS NMI NC INTR NC NC BUSY ERROR NC BHE NC NC S1 S0 PEACK A23 A22 VSS A21 A20 A19 A18 A17 A16 A15 A14 68 67 66 65 64 63 62 61 60 59 58 57 56 55 54 53 52 1 51 2 50 3 49 4 48 5 47 6 46 7 45 8 44 9 43 10 42 11 41 12 40 13 39 14 38 15 37 16 36 17 35 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 D1.


C1554 80C286 DS1631


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