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Intersil Electronic Components Datasheet

80C286 Datasheet

High Performance Microprocessor

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80C286 pdf
® 80C286
January 28, 2008
High Performance Microprocessor
with Memory Management and Protection
Features
• 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 Operat-
ing Systems
• Two 80C86 Upward Compatible Operating Modes
- 80C286 Real Address Mode
- PVAM
• 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)
Description
The Intersil 80C286 is a static CMOS version of the NMOS
80286 microprocessor. The 80C286 is an advanced, high-
performance microprocessor with specially optimized capa-
bilities for multiple user and multi-tasking systems. The
80C286 has built-in memory protection that supports operat-
ing system and task isolation as well as program and data
privacy within tasks. A 25MHz 80C286 provides up to nine-
teen 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 effi-
cient 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 excep-
tion and restartable instructions.
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
5962-
9067801MXC
-
IS80C286-10
12.5MHz
CG80C286-12
IG80C286-12
5962-
9067802MXC
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; follow proper IC Handling Procedures.
1-888-INTERSIL or 1-888-468-3774 | Intersil (and design) is a registered trademark of Intersil Americas Inc.
Copyright © Intersil Americas Inc. 2003-2008. All Rights Reserved
All other trademarks mentioned are the property of their respective owners.
1
FN2947.3


Intersil Electronic Components Datasheet

80C286 Datasheet

High Performance Microprocessor

No Preview Available !

80C286 pdf
Pinouts
80C286
68 LEAD PGA
Component Pad View - As viewed from underside of the component when mounted on the board.
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
READY
HLDA
VSS
VCC
HOLD
M / IO
COD / INTA
NC LOCK
PIN 1 INDICATOR
68 LEAD PGA
P.C. Board View - As viewed from the component side of the P.C. board.
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
2


Part Number 80C286
Description High Performance Microprocessor
Maker Intersil Corporation
Total Page 30 Pages
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