05-08-1803

LGA Package
21-Lead (6.25mm × 6.25mm × 2.32mm)
(Reference LTC DWG # 05-08-1803 Rev B)
6.250
BSC
aaa Z
X
5.080
2.22 – 2.42
Y
SEE NOTES
7
0.605 – 0.665
5
4
0.605 – 0.665
6.250
BSC
MOLD
CAP
SUBSTRATE
0.27 – 0.37
3
DETAIL A
PACKAGE SIDE VIEW
2.5400
1.2700
0.0000
1.2700
C(0.30)
PAD 1
1
PADS
SEE NOTES
PACKAGE TOP VIEW
2.5400
1.27O
BSC
DETAIL A
aaa Z
4
2
Z
bbb Z
1.95 – 2.05
PAD 1
CORNER
3
5.080
BSC
E
D
C
B
A
BOTTOM VIEW
NOTES:
1. DIMENSIONING AND TOLERANCING PER ASME Y14.5M-1994
2.5400
2. ALL DIMENSIONS ARE IN MILLIMETERS
1.5875
1.2700
0.9525
0.0000
3
LAND DESIGNATION PER JESD MO-222, SPP-010 AND SPP-020
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 A
MARKED FEATURE
5. PRIMARY DATUM -Z- IS SEATING PLANE
LTMXXXXXX
µModule
6. THE TOTAL NUMBER OF PADS: 21
7
1.2700
!
PACKAGE ROW AND COLUMN LABELING MAY VARY
AMONG µModule PRODUCTS. REVIEW EACH PACKAGE
LAYOUT CAREFULLY
SYMBOL TOLERANCE
aaa
0.15
bbb
0.10
0.3175
0.0000
0.3175
2.5400
SUGGESTED PCB LAYOUT
TOP VIEW
COMPONENT
PIN “A1”
TRAY PIN 1
BEVEL
PACKAGE IN TRAY LOADING ORIENTATION
LGA 21 0113 REV B
Similar pages