05-08-1815

LGA Package
141-Lead (15mm × 15mm × 2.82mm)
(Reference LTC DWG # 05-08-1815 Rev C)
aaa Z
15
BSC
X
2.72 – 2.92
Y
SEE NOTES
DETAIL A
0.12 – 0.28
8
13.97
BSC
M
L
K
J
H
15
BSC
SUBSTRATE
F
E
1.27
BSC
0.27 – 0.37
PAD 1
CORNER
G
13.97
BSC
MOLD
CAP
2.45 – 2.55
D
Z
bbb Z
DETAIL B
4
C
B
5
A
aaa Z
PADS
SEE NOTES
PACKAGE TOP VIEW
11
10
9
8
7
6
5
4
3
2
1
PACKAGE BOTTOM VIEW
DETAIL B
DETAIL C
6.9850
5.7150
4.4450
3.1750
1.9050
0.6350
0.0000
0.6350
1.9050
3.1750
4.4450
5.7150
eee S X Y
6.9850
12
3
0.630 ±0.025 SQ. 141x
6.9850
5.7150
DETAIL A
4.4450
DETAIL C
NOTES:
1. DIMENSIONING AND TOLERANCING PER ASME Y14.5M-1994
3.1750
2. ALL DIMENSIONS ARE IN MILLIMETERS
1.9050
0.6350
0.0000
0.6350
3
LAND DESIGNATION PER JESD MO-222, SPP-010
4
DETAILS OF PAD #1 IDENTIFIER ARE OPTIONAL,
BUT MUST BE LOCATED WITHIN THE ZONE INDICATED.
THE PAD #1 IDENTIFIER MAY BE EITHER A MOLD OR
MARKED FEATURE
1.9050
5
3.1750
4.4450
PAD #1 IDENTIFIER ON THE PACKAGE BOTTOM,
CAN BE SHIPPED WITH OR WITHOUT A TRIANGLE MARKER.
LTMXXXXXX
µModule
COMPONENT
PIN “A1”
6. PRIMARY DATUM -Z- IS SEATING PLANE
5.7150
7. THE TOTAL NUMBER OF PADS: 141
6.9850
8
SUGGESTED PCB LAYOUT
TOP VIEW
!
PACKAGE ROW AND COLUMN LABELING MAY VARY
AMONG µModule PRODUCTS. REVIEW EACH PACKAGE
LAYOUT CAREFULLY
SYMBOL TOLERANCE
aaa
0.15
bbb
0.10
eee
0.05
TRAY PIN 1
BEVEL
PACKAGE IN TRAY LOADING ORIENTATION
LGA 141 1212 REV C
PAD 1
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