M80287

M80287 80-BIT HMOS NUMERIC PROCESSOR EXTENSION Military Y 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 Y Y 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 b 55 C to a 125 C (TC) Y Y Y Y Y Y Y Y Y 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...