05-08-1841

LGA Package
204-Lead (22mm × 15mm × 4.41mm)
(Reference LTC DWG # 05-08-1841 Rev B)
SEE NOTES
7
A
aaa Z
M
L
K
J
H
G
F
E
D
C
B
A
1
PAD “A1”
CORNER
2
4
3
4
b
5
6
7
8
D
F
MOLD
CAP
9
SUBSTRATE
10
11
H1
H2
Z
// bbb Z
12
13
14
DETAIL B
15
16
e
17
X
Y
aaa Z
E
DETAIL B
PACKAGE TOP VIEW
e
b
PADS
SEE NOTES
G
3
PACKAGE BOTTOM VIEW
NOTES:
1. DIMENSIONING AND TOLERANCING PER ASME Y14.5M-1994
eee S X Y
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
0.635 ±0.025 SQ. 204x
2. ALL DIMENSIONS ARE IN MILLIMETERS
10.1600
8.8900
7.6200
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
DETAIL A
6.3500
5. PRIMARY DATUM -Z- IS SEATING PLANE
5.0800
DIMENSIONS
3.8100
SYMBOL
A
b
D
E
e
F
G
H1
H2
aaa
bbb
eee
2.5400
1.2700
0.0000
1.2700
2.5400
3.8100
5.0800
6.3500
7.6200
MIN
4.31
0.60
0.36
3.95
NOM
4.41
0.63
22.0
15.0
1.27
20.32
13.97
0.41
4.00
6. THE TOTAL NUMBER OF PADS: 114
MAX
4.51
0.66
0.46
4.05
0.15
0.10
0.05
NOTES
7
!
PACKAGE ROW AND COLUMN LABELING MAY VARY
AMONG µModule PRODUCTS. REVIEW EACH PACKAGE
LAYOUT CAREFULLY
LTMXXXXXX
µModule
COMPONENT
PIN “A1”
TOTAL NUMBER OF LGA PADS: 204
8.8900
TRAY PIN 1
BEVEL
10.1600
PACKAGE IN TRAY LOADING ORIENTATION
LGA 204 0113 REV B
SUGGESTED PCB LAYOUT
TOP VIEW
Ø(0.635)
PAD 1
Similar pages