05-08-1844

LGA Package
144-Lead (15mm × 15mm × 4.41mm)
(Reference LTC DWG # 05-08-1844 Rev C)
aaa Z
D
X
A
Y
SEE NOTES
DETAIL A
3x, C (0.22 x45°)
G
e
7
b
M
b
L
K
J
H
G
E
MOLD
CAP
SUBSTRATE
E
e
D
Z
bbb Z
4
F
H1
H2
PAD 1
CORNER
F
C
DETAIL B
B
A
aaa Z
PACKAGE TOP VIEW
PADS
SEE NOTES
0.630 ±0.025 SQ. 143x
12
11
10
8
7
6
5
4
3
2
1
DIA 0.630
PAD 1
PACKAGE BOTTOM VIEW
3
eee S X Y
9
DETAIL B
2. ALL DIMENSIONS ARE IN MILLIMETERS
6.9850
5.7150
4.4450
3.1750
1.9050
0.6350
0.0000
0.6350
1.9050
3.1750
4.4450
5.7150
6.9850
NOTES:
1. DIMENSIONING AND TOLERANCING PER ASME Y14.5M-1994
6.9850
DETAIL A
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
5.7150
4.4450
DIMENSIONS
3.1750
SYMBOL
A
b
D
E
e
F
G
H1
H2
aaa
bbb
eee
1.9050
0.6350
0.0000
0.6350
1.9050
3.1750
4.4450
5.7150
6.9850
SUGGESTED PCB LAYOUT
TOP VIEW
MIN
4.31
0.60
0.36
3.95
NOM
4.41
0.63
15.00
15.00
1.27
13.97
13.97
0.41
4.00
MAX
4.51
0.66
0.46
4.05
0.15
0.10
0.05
TOTAL NUMBER OF LGA PADS: 144
NOTES
5. PRIMARY DATUM -Z- IS SEATING PLANE
6. THE TOTAL NUMBER OF PADS: 144
7
COMPONENT
PIN “A1”
TRAY PIN 1
BEVEL
!
PACKAGE ROW AND COLUMN LABELING MAY VARY
AMONG µModule PRODUCTS. REVIEW EACH PACKAGE
LAYOUT CAREFULLY
LTMXXXXXX
µModule
PACKAGE IN TRAY LOADING ORIENTATION
LGA 144 1112 REV C
Similar pages