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8087

Math Coprocessor for Intel 8086/8088/80186/80188 microprocessors, PDIP-40

Schematic Symbol

8087GNDCLKGNDRESETREADYQS1QS0VCCAD14AD13AD12AD11AD10AD9AD8AD7AD6AD5AD4AD3AD2AD1AD0NCNCBUSY~{S0}~{S1}~{S2}NCNC~{RQ}/~{GT0}INT~{RQ}/~{GT1}~{BHE}/S7A19/S6A18/S5A17/S4A16/S3AD15

Pin Configuration (40 pins)

PinNameType
1GNDpower_in
2AD14bidirectional
3AD13bidirectional
4AD12bidirectional
5AD11bidirectional
6AD10bidirectional
7AD9bidirectional
8AD8bidirectional
9AD7bidirectional
10AD6bidirectional
11AD5bidirectional
12AD4bidirectional
13AD3bidirectional
14AD2bidirectional
15AD1bidirectional
16AD0bidirectional
17NCno_connect
18NCno_connect
19CLKinput
20GNDpower_in
21RESETinput
22READYinput
23BUSYoutput
24QS1input
25QS0input
26~{S0}bidirectional
27~{S1}bidirectional
28~{S2}bidirectional
29NCno_connect
30NCno_connect
31~{RQ}/~{GT0}bidirectional
32INToutput
33~{RQ}/~{GT1}bidirectional
34~{BHE}/S7bidirectional
35A19/S6bidirectional
36A18/S5bidirectional
37A17/S4bidirectional
38A16/S3bidirectional
39AD15bidirectional
40VCCpower_in

Footprint

Confirmed

Package_DIP/DIP-40_W15.24mm

Pad Layout
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
Pads (40)
NumberType
1thru hole
2thru hole
3thru hole
4thru hole
5thru hole
6thru hole
7thru hole
8thru hole
9thru hole
10thru hole
11thru hole
12thru hole
13thru hole
14thru hole
15thru hole
16thru hole
17thru hole
18thru hole
19thru hole
20thru hole
21thru hole
22thru hole
23thru hole
24thru hole
25thru hole
26thru hole
27thru hole
28thru hole
29thru hole
30thru hole
31thru hole
32thru hole
33thru hole
34thru hole
35thru hole
36thru hole
37thru hole
38thru hole
39thru hole
40thru hole

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Footprint

Details

LibraryMCU_Intel
Pin Count40
FootprintDIP-40_W15.24mm
Pad Count40
View Datasheet

Keywords

FPU
8087 — MCU_Intel | Trace Components