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TM
80C286/883
High Performance Microprocessor with Memory Management and Protection
Description
The Intersil 80C286/883 is a static CMOS version of the NMOS 80286 microprocessor. The 80C286/883 is an advanced, high-performance microprocessor with specially optimized capabilities for multiple user and multi-tasking systems. The 80C286/883 has built-in memory protection that supports operating system and task isolation as well as program and data privacy within tasks. The 80C286/883 includes memory management capabilities that map 230 (one gigabyte) of virtual address space per task into 224 bytes (16 megabytes) of physical memory. The 80C286/883 is upwardly compatible with 80C86 and 80C88 software (the 80C286/883 instruction set is a superset of the 80C86/80C88 instruction set). Using the 80C286/ 883 real address mode, the 80C286/883 is object code compatible with existing 80C86 and 80C88 software. In protected virtual address mode, the 80C286/883 is source code compatible with 80C86 and 80C88 software but may require upgrading to use virtual address as supported by the 80C286/883’s integrated memory management and protection mechanism. Both modes operate at full 80C286/883 performance and execute a superset of the 80C86 and 80C88 instructions. The 80C286/883 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 segment-not-present exception and restartable instructions.
March 1997
Features
• This Circuit is Processed in Accordance to MIL-STD883 and is Fully Conformant Under the Provisions of Paragraph 1.2.1. • Compatible with NMOS 80286/883 • Static CMOS Design for Low Power Operation - ICCSB = 5mA Maximum - ICCOP = 185mA Maximum (80C286-10/883) - ICCOP = 220mA Maximum (80C286-12/883) • 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 - 80C286/883 Real Address Mode - Protected Virtual Address Mode • Compatible with 80287 Numeric Data Co-Processor
Ordering Information
PACKAGE 68 Pin PGA TEMP. RANGE 0oC to +70oC -40oC to +85oC 10MHz IG80C286-10 12.5MHz CG80C286-12 IG80C286-12 16MHz CG80C286-16 20MHz CG80C286-20 25MHz PKG. NO. G68.B G68.B G68.B G68.B
-55oC to +125oC MG80C286-10/883 MG80C286-12/883 5962-9067801MXC 5962-9067802MXC
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures. 1-888-INTERSIL or 321-724-7143 | Intersil (and design) is a trademark of Intersil Americas Inc. Copyright © Intersil Americas Inc. 2002. All Rights Reserved
FN2948.1
128
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80C286/883
Pinout
68 LEAD PGA, COMPONENT PAD VIEW As viewed from underside of the component when mounted on the board.
D10
D11
D12
D13
D14 49 50 D7
35 A0 A2 VCC A3 A5 A7 A9 A11 A13 D0 A1 CLK RESET A4 A6 A8 A10 A12 34 32 30 28 26 24 22 20 18 36 33 31 29 27 25 23 21 19 17 A12
37 38
39 40
41 42
43 44
45 46
47 48
51 53 55 57 59 61 63 65 67 52 54 56 58 60 62 64 66 68 ERROR NC INTR NMI PEREQ READY HLDA M/IO NC NC BUSY NC NC VSS VCC HOLD COD/INTA LOCK
16 15 A15
14 13 A17
12 11 A19
10 9 A21
8 7 A22
6 5 PEACK
4 3 S1
NC
ERROR 2 1
D0
D1
D2
D3
D4
D5
D6
D15
VSS
D8
D9
PIN 1 INDICATOR
A14
A16
A18
A20
A23
NC D13 D12
S0
P.C. BOARD VIEW As viewed from the component side of the P.C. board.
D15 D14 D11 D10 VSS 35 36 33 31 29 27 25 23 21 4 3 S1 6 5 PEACK 8 7 A22 10 9 A21 12 11 A19 14 13 A17 16 15 A15 19 17 A12 34 32 30 28 26 24 22 20 18 D0 A1 CLK RESET A4 A6 A8 A10 A12 A0 A2 VCC A3 A5 A7 A9 A11 A13 A14 D0 D9 D2 39 40 A18 D8 A16 D1 37 38
ERROR
D7
D6
D5
BHE D4 43 44 VSS
VSS
51 NC BUSY NC NC VSS VCC HOLD COD/INTA LOCK ERROR NC INTR NMI PEREQ READY HLDA M/IO NC 52 54 56 58 60 62 64 66 68 53 55 57 59 61 63 65 67 2 1 NC
49 50
47 48
45 46
PIN 1 INDICATOR
NC
S0
A23
BHE
129
A20
D3 41 42
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80C286/883
Thermal Information
θJC Thermal Resistance (Typical) θJA PGA Package . . . . . . . . . . . . . . . . . . . . . 35oC/W 6oC/W Gate Count . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22,500 Gates
Absolute Maximum Ratings
Supply Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +8.0V Input, Output or I/O Voltage Applied. . . . . . GND -1.0V to VCC +1.0V Storage Temperature Range . . . . . . . . . . . . . . . . . -65oC to +150oC Junction Temperature. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +175oC Lead Temperature (Soldering 10s). . . . . . . . . . . . . . . . . . . . +300oC ESD Classification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Class 1
CAUTION: Stresses above those listed in “Absolute Maximum Ratings” may cause permanent damage to the device. This.