AT40K datasheet(65/67 Pages) ATMEL

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AT40K/AT40KLV Series FPGA

0896C–FPGA–04/02

304Q1 – PQFP

2325 Orchard Parkway

San Jose, CA 95131

TITLE

DRAWING NO.

REV.

304Q1

3/29/02

COMMON DIMENSIONS

(Unit of Measure = mm)

SYMBOL

MIN

NOM

MAX

NOTE

304Q1, 304-lead, 40 x 40 mm Body, 2.6 Form Opt.,

Plastic Quad Flat Pack (PQFP)

0.25

–

0.50

3.55

3.80

4.05

42.60 BSC

40.00 BSC

2, 4

42.60 BSC

40.00 BSC

2, 4

0.50 BSC

0.17

–

0.27

1.30 REF

Notes: 1. This drawing is for general information only. Refer to JEDEC Drawing

MS-029, Variation JA, for additional information.

2. All dimensioning and tolerancing conforms to ASME Y14.5M-1994.

3. To be determined at seating plane.

4. Dimensions D1 and E1 do not include mold protrusions. Allowable

protrusion is 0.25 mm per side. D1 and E1 are maximum plastic body size

dimensions including mold mismatch. Dimensions D1 and E1 shall be

determined at Datum plane.

5. Dimension b does not include Dambar protrusion. Allowable Dambar

protrusion shall not cause the lead width to exceed the maximum b

dimension by more than 0.08 mm. Dambar can not be located on the lower

radius or the foot. The minimum space between protrusion and an adjacent

lead shall not be less than 0.07 mm.

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