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OR2C04A

ORCA® Series 2 Field-Programmable Gate Arrays

Lattice Semiconductor 

Data Sheet

January 2002

ORCA Series 2 FPGAs

Package Outline Drawings (continued)

240-Pin SQFP2

Dimensions are in millimeters.

34.60 ± 0.20

32.00 ± 0.20

24.2 REF

240

PIN #1 IDENTIFIER ZONE

1

1.30 REF

181

180

0.25

GAGE PLANE

SEATING PLANE

0.50/0.75

24.2

REF

32.00

± 0.20

34.60

± 0.20

DETAIL A

0.090/0.200

0.17/0.27

0.10 M

DETAIL B

60

121

61

120

EXPOSED HEAT SINK APPEARS ON

TOP SURFACE IN CHIP FACE-DOWN VERSION OR

BOTTOM SURFACE IN CHIP FACE-UP VERSION

DETAIL A

0.50 TYP

DETAIL B

3.40 ± 0.20

0.25 MIN

CHIP BONDED FACE UP

4.10 MAX

SEATING PLANE

0.08

CHIP

Lattice Semiconductor

COPPER HEAT SINK

5-3825r.8

181

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