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Intel A80387DX-20

FPU » Intel » 80387 family » Intel » A80387DX-20

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Intel 80387 20 MHz specifications

General information
TypeFloating Point Unit / Co-processor
FamilyIntel 80387
FPU part numberA80387DX-20 is an OEM/tray floating-point unit
Frequency  ? 20 MHz
Package68-pin ceramic PGA
1.15" x 1.15" (2.92 cm x 2.92 cm)
 
S-spec numbers
  Production processors
Part number SC19 SC21 SX105
A80387DX-20+++
 
Architecture / Microarchitecture
Manufacturing process1.5 micron high-speed CHMOS III technology
1 micron high-speed CHMOS IV technology
 
Electrical / Thermal parameters
V core  ? 5V ± 5%
Minimum/Maximum operating temperature  ? 0°C - 85°C
Typical/Maximum power dissipation0.95 Watt / 1.55 Watt (CHMOS III technology)
0.53 Watt / 0.95 Watt (CHMOS IV technology)
 
Notes on Intel A80387DX-20
  • Implements ANSI/IEEE standard 754-1985 for binary floating-point arithmetic

Pictures (1)

Intel A80387DX-20

20 MHz
68-pin ceramic PGA		 Intel A80387DX-20

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Last modified: 8 May 2013
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