Intel N80387SX-20 information

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Type:FPU	Manufacturer:Intel
family:80387	microprocessors:Intel A80387DX-16-33

General information

Type

Floating Point Unit / Co-processor

Family

Intel 80387

FPU part number

N80387SX-20 is an OEM/tray floating-point unit

Frequency

20 MHz

Package

68-pin plastic LCC

Socket

PLCC68

S-spec numbers

Part number	Production processors
	SZ369
N80387SX-20	+

Architecture / Microarchitecture

Manufacturing process

1 micron high-speed CHMOS IV technology

Low power features

Idle mode

Electrical / Thermal parameters

V core

5V ± 10%

Minimum/Maximum operating temperature

0°C - 100°C

Minimum/Typical/Maximum power dissipation

0.035 Watt (Idle mode) / 0.55 Watt / 0.69 Watt

Notes on Intel N80387SX-20

Implements ANSI/IEEE standard 754-1985 for binary floating-point arithmetic
Idle mode is invoked automatically 3 clocks after completion of previous instruction

Intel N80387SX-20microprocessors pictures

other microprocessors

Intel N80387SX-25	Intel N80387SX16-25
Intel N80387SX-33	Intel RapidCAD-2
Intel 287 adapter	LC Technology Green Math 4C87DX-40
LC Technology Green Math 4C87SLC-40	Reveal 387DX
ULSI US83S87 25	ULSI ULSI SX/SLC 33
ULSI MathCo SX-33	ULSI MathCo DX 33

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