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M80287 [80-BIT HMOS NUMERIC PROCESSOR EXTENSION ]

other parts : MC80287 

Intel
Intel

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. Intel’s HMOS III process provides superior radiation tolerance for applications with stringent radiation requirements.

■ High Performance 80-Bit Internal Architecture
■ Implements Proposed IEEE Floating Point Standard 754
■ Expands M80286/10 Datatypes to
   Include 32-, 64-, 80-Bit Floating Point,
   32-, 64-Bit Integers and 18-Digit BCD
   Operands
■ Object Code Compatible with M8087
■ Built-In Exception Handling
■ Operates in Both Real and Protected
   Mode M80286 Systems
■ Available in a 40-Pin Cerdip Package
■ Protected Mode Operation Completely
   Conforms to the M80286 Memory
   Management and Protection
   Mechanisms
■ Directly Extends M80286/10 Instruction
   Set to Trigonometric, Logarithmic,
   Exponential and Arithmetic Instructions
   for All Datatypes
■ 8 x 80-Bit, Individually Addressable, Numeric Register Stack
■ 6, 8, 10 MHz
■ Military Temperature Range:
   -55°C to +125°C (TC)

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