88SM4140 データシートの表示（PDF） - Marvell Semiconductor
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88SM4140 Datasheet PDF : 112 Pages
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Figure 3-4 Mechanical Dimensions Part 3
S ymbol
A
A1
A2
b
b1
c
c1
D
D1
E
E1
e
L
L1
R1
R2
S
O
O1
O2
O3
Dimension in mm
Min Nom Max
1.60
0 .05
0.15
1 .35 1.40 1.45
0 .17 0.22 0.27
0 .17 0.20 0.23
0 .09
0.20
0 .09
0.16
14.00 B SC
12.00 B SC
14.00 B SC
12.00 B SC
0.50 B SC
0.45 0.60 0.75
1.00 REF
0.08
0.08
0.20
0.20
0° 3.5 ° 7°
0°
11° 12° 13°
11° 12° 13°
Dimension in inch
Min Nom Max
0.063
0.002
0.006
0.053 0.055 0.057
0.007 0.009 0.011
0.007
0.004
0.004
0.008
0.009
0.008
0.006
0.551 B SC
0.472 B SC
0.551 B SC
0.472 B SC
0.020 B SC
0.018 0.024 0.030
0.039 R EF
0.003
0.003
0.008
0.008
0°
3.5°
7°
0°
11° 12 ° 13°
11° 12 ° 13°
Symbol
D2
E2
Exposed Die Pad Size
Dimension in mm Dimension in inch
4 .0 6 +/-0 .2 0
0 .1 6 0 +/-0 .0 0 8
4 .0 6 +/-0 .2 0
0.1 6 0 +/-0 .0 0 8
NO TE :
1. T O BE DETERM INED AT SEAT ING PL ANE -C- .
2 . DI M ENSIO NS D 1 A ND E 1 DO NO T I NCL UDE M O L D P RO TRUSIO N .
D1 A ND E 1 A RE M AXIM UM PL ASTIC BO DY SI ZE DIM ENSIO NS
INCL UDING M O L D M ISM ATCH .
3 . DI M ENSIO N b DO ES NO T I NCL UDE DA M BAR P RO TRUSIO N .
DA M BAR CA N NO T B E L O CATED O N T HE L O WER RA DIUS O F T HE F O O T .
4 . EXACT SHAPE O F EACH CO RNER I S O PTIO NAL .
5 . T HESE DIM ENSIO NS APPL Y T O T HE F L AT SECTIO N O F T HE L EAD
BET WEEN 0 .1 0 m m AND 0.2 5 m m F RO M T HE L EAD T IP .
6 . A1 I S DEFINED AS T HE DISTANCE F RO M T HE SEAT ING PL ANE
TO T HE L O WEST PO INT O F T HE PACKAG E BO DY .
7 .CO NTRO L L ING DI M ENSIO N : M IL L IM ETER.
8 . REFERENCE DO CUM ENT : J EDEC M S -0 2 6 .
88SM4140 Preliminary Specifications
Serial ATA 3.0 Gbps: 1-to-4 Port Multiplier
Package
Copyright © 2007 Marvell Technology Group, Ltd.
Do not duplicate without permission. Document Classification: Proprietary
3-5
February 1, 2007
Doc No. MV-S101553-00 Rev. G
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