The Intel M80287 is a high performance numerics processor extension that extends the M80286/10 architecture 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 architecture, 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, depletion 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. Intelâs HMOS III process provides superior radiation tolerance for applications with stringent radiation requirements.
â High Performance 80-Bit Internal Architecture
â Implements Proposed IEEE Floating Point Standard 754
â Expands M80286/10 Datatypes to
Include 32-, 64-, 80-Bit Floating Point,
32-, 64-Bit Integers and 18-Digit BCD
Operands
â Object Code Compatible with M8087
â Built-In Exception Handling
â Operates in Both Real and Protected
Mode M80286 Systems
â Available in a 40-Pin Cerdip Package
â Protected Mode Operation Completely
Conforms to the M80286 Memory
Management and Protection
Mechanisms
â Directly Extends M80286/10 Instruction
Set to Trigonometric, Logarithmic,
Exponential and Arithmetic Instructions
for All Datatypes
â 8 x 80-Bit, Individually Addressable, Numeric Register Stack
â 6, 8, 10 MHz
â Military Temperature Range:
-55°C to +125°C (TC)
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