The Intel M80C287 is a high-performance numerics processor extension that extends the architecture of the M80C286 CPU with floating point, extended integer, and BCD data types.
   
■ High Performance 80-Bit Internal
    Architecture
■ Implements ANSI/IEEE Standard 754-
    1985 for Binary Floating-Point
    Arithmetic
■ Implements Extended M387 Numerics
    Coprocessor Instruction Set
■ Two to Three Times M8087/M80287
    Performance at Equivalent Clock Speed
■ Low Power Consumption
■ Upward Object-Code Compatible from
    M8087 and M80287
■ Interfaces with M80286 and M80C286
    CPUs
■ Expands CPU’s Data Types to Include
    32-, 64-, 80-Bit Floating Point, 32-, 64-
    Bit Integers and 18-Digit BCD Operands
■ Directly Extends CPU’s Instruction Set
    to Trigonometric, Logarithmic,
    Exponential, and Arithmetic
    Instructions for All Data Types
■ Full-Range Transcendental Operations
    for SINE, COSINE, TANGENT.
    ARCTANGENT and LOGARITHM
■ Built-In Exception Handling
■ Operates in Both Real and Protected
    Mode Systems
■ Eight 80-Bit Numeric Registers, Usable
    as Individually Addressable General
    Registers or as a Register Stack
■ Available in 40-pin CERDIP
    (See Packaging Outlines and Dimensions, order #231369)
■ Military Temperature Range:
    -55°C to +125°C (TC)