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參數(shù)資料
| 型號(hào)： | 80287 |
| 廠商： | Intel Corp. |
| 英文描述： | 8-Bit HMOS Numeric Processor Extension(8位HMOS數(shù)字處理器擴(kuò)展) |
| 中文描述： | 8位數(shù)字處理器擴(kuò)展保健組織（HMO的8位數(shù)字處理器擴(kuò)展） |
| 文件頁數(shù)： | 1/24頁 |
| 文件大?。?/td> | 399K |
| 代理商： | 80287 |
December 1990
Order Number: 271029-005
M80287
80-BIT HMOS
*
NUMERIC PROCESSOR EXTENSION
Military
Y
High Performance 80-Bit Internal
Architecture
Y
Implements Proposed IEEE Floating
Point Standard 754
Y
Expands M80286/10 Datatypes to
Include 32-, 64-, 80-Bit Floating Point,
32-, 64-Bit Integers and 18-Digit BCD
Operands
Y
Object Code Compatible with M8087
Y
Built-In Exception Handling
Y
Operates in Both Real and Protected
Mode M80286 Systems
Y
Available in a 40-Pin Cerdip Package
Y
Protected Mode Operation Completely
Conforms to the M80286 Memory
Management and Protection
Mechanisms
Y
Directly Extends M80286/10 Instruction
Set to Trigonometric, Logarithmic,
Exponential and Arithmetic Instructions
for All Datatypes
Y
8 x 80-Bit, Individually Addressable,
Numeric Register Stack
Y
6, 8, 10 MHz
Y
Military Temperature Range:
b
55
§
C to
a
125
§
C (T
C
)
The Intel M80287 is a high performance numerics processor extension that extends the M80286/10 architec-
ture with floating point, extended integer and BCD data types. The M80286/20 computing system (M80286
and M80287) fully conforms to the proposed IEEE Floating Point Standard. Using a numerics oriented archi-
tecture, the M80287 adds over fifty mnemonics to the M80286/20 instruction set, making the M80286/20 a
complete solution for high performance numeric processing. The M80287 is implemented in N-channel, deple-
tion load, silicon gate technology (HMOS) and packaged in a 40-pin ceramic package. The M80286/20 is
object code compatible with the M80286/20 and M8088/20. Intel’s HMOS III process provides superior
radiation tolerance for applications with stringent radiation requirements.
*
HMOS is a patented process of Intel Corporation.
271029–1
Figure 1. M80287 Block Diagram
271029–2
NOTE:
N.C. pins must not be connected.
Figure 2. M80287 Pin
Configuration
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