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240-Lead Ceramic Quad Flat Package, Heat Slug Down [CQFP]
(QS-240-1A)
Dimensions shown in millimeters
a
36.60
36.13 SQ
35.65
19.00
REF SQ
32.00 BSC SQ
PIN 1
INDICATOR
181
240
181
SEAL RING
240
1
180
180
1
LID
TOP VIEW
(PINS DOWN)
BOTTOM VIEW
(PINS UP)
HEAT SLUG
121
60
28.05
27.80 SQ
27.55
4.20
3.52
2.85
7°
-3°
0.90
0.75
0.60
0.23
0.20
0.17
121
60
120
120
61
VIEW A
3.70
3.22
2.75
0.50 BSC
0.50
0.30
0.10
1.70
0.15
0.15
0.35
0.30
0.25
0.175
0.156
0.137
NOTES:
1. LEAD FINISH = GOLD PLATE
2. LEAD SWEEP/LEAD OFFSET = 0.013mm MAX
(Sweep and/or Offset can be used as the controlling dimension).
0.180
0.155
0.130
LEAD THICKNESS
2.06 REF
VIEW A
021208-A
61