Introduction date:
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Category:
Technology:
Addressable memory:
Address Bus:
Number of Transistors:
History:
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February 16, 1987
16 - 33 MHz
80 Bit Math Co-Processor
CH-MOS III
16 Mega Byte
1,5 Micron
The 80387 was the first Co Processor designed specifically for
the Intel
80386 CPU. Earlier system had
both (287, 387) sockets. The 80386 does work with an
80287, but the numerical performance is hardly
adequate for such a system.
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A80387-16 |
A80387-16 |
A80387-16B |
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Malaysia, SX029 |
Malaysia, SX104 |
Malaysia, SX009 |
A80387-20 |
A80387-20B |
A80387-25 |
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Malaysia, SX105 |
Malaysia, SX024 |
Malaysia, SX106 |
A80387DX-20 |
A80387DX-20 |
A80387DX-25 |
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Malaysia |
Malaysia, SX105 |
Malaysia |
A80387DX-25 |
A80387DX-33 |
A80387DX-33 |
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Malaysia, SX106 |
Malaysia |
Malaysia, SX232 |
A80387DX-33 |
A80387DX-33 |
A80387DX 16-33 |
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Malaysia |
USA |
USA |
A80387DX 16-33 |
A80387DX 16-33 |
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Malaysia |
Korea |
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N80387SX-16 |
N80387SX-20 |
N80387SX-33 |
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SX237 |
SZ369 |
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N80387SL 16-25 |
N80387SX 16-25 |
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More Info and
Pictures Intel 80387 |