
Data Sheet
June 1999
ORCA Series 2 FPGAs
184
Lucent Technologies Inc.
Package Outline Drawings
(continued)
304-Pin SQFP2
Dimensions are in millimeters.
5-3827(F).r8
DETAIL A
DETAIL B
4.10 MAX
0.50 TYP
SEATING PLANE
0.08
3.40 ± 0.20
0.25 MIN
0.17/0.27
0.10
M
0.090/0.200
DETAIL B
0.25
0.50/0.75
1.30 REF
GAGE PLANE
SEATING PLANE
DETAIL A
42.60 ± 0.20
40.00 ± 0.20
42.60
± 0.20
40.00
± 0.20
1
76
77
152
153
228
229
304
PIN #1 IDENTIFIER ZONE
EXPOSED HEAT SINK APPEARS ON
TOP SURFACE IN CHIP FACE-DOWN VERSION OR
BOTTOM SURFACE IN CHIP FACE-UP VERSION
31.2 REF
31.2
REF