92-0075

**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)