AM79C976 datasheet(285/309 Pages) AMD

285 / 309 page

8/01/00

Am79C976

285

P R E L I M INARY

PHYSICAL DIMENSIONS*

PQFP208

3ODVWLF4XDG)ODW3DFN7ULPPHGDQG)RUPHG

)RUUHIHUHQFHRQO\%6& LVDQ $16, VWDQGDUGIRU %DVLF 6SDFH &HQWHULQJ

Notes:

1. All dimensions and tolerances conform to ASME Y14.5M-1992

2. Controlling dimensions: Millimeters

3. These dimensions do not include mold protrusion. Allowable protrusion is 0.25 mm per side. These dimensions include mold

mismatch and are determined at datum plane -A-.

4. This dimension does not include dambar protrusion.

5. Datum plane -A- is located at the mold parting line and is coincident with the bottom of the lead where the lead exits the plastic

body.

6. These dimensions are measured from both innermost and outermost points.

7. Deviation from lead-tip true position shall be within ±0.04 mm.

8. Lead co-planarity shall be within 0.076 mm. Co-planarity is measured per specification 06.500.

9. Half span (center of package to lead tip) shall be within ±0.0085 inches.

3.95

MAX

3.95

MAX

0.25

MIN

3.20

3.60

30.40

30.80

27.90

28.10

25.50 REF

0.50 BSC

25.50

REF

27.90

28.10

30.40

30.80

0.17

0.27

0.13

0.20

0.17

0.27

0.08

0.50

0.75

PQR 208

208

156

104

K.Koller

Rev. AI; 5/18/99

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