LTM8020
13
8020fd
PACKAGE DESCRIPTION
NOTES:
1. DIMENSIONING AND TOLERANCING PER ASME Y14.5M-1994
2. ALL DIMENSIONS ARE IN MILLIMETERS
LAND DESIGNATION PER JESD MO-222, SPP-010 AND SPP-020
5. PRIMARY DATUM -Z- IS SEATING PLANE
6. THE TOTAL NUMBER OF PADS: 21
4
3
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
SYMBOL
aaa
bbb
TOLERANCE
0.15
0.10
2.22 – 2.42
DETAIL A
PACKAGE SIDE VIEW
DETAIL A
SUBSTRATE
MOLD
CAP
0.27 – 0.37
2.5400
2.5400
1.2700
1.2700
0.0000
1.95 – 2.05
bbb Z
Z
6.250
BSC
PACKAGE TOP VIEW
LGA 21 0407 REV A
6.250
BSC
4
PAD 1
CORNER
3
PADS
SEE NOTES
X
Y
aaa Z
aaa Z
2.5400
1.5875
0.9525
1.2700
0.3175
0.3175
0.0000
2.5400
SUGGESTED PCB LAYOUT
TOP VIEW
1.2700
0.0000
1.27O
BSC
0.605 – 0.665
0.605 – 0.665
5.080
5.080
BSC
C(0.30)
PAD 1
EA
5
1
2
3
4
BC
BOTTOM VIEW
D
LTMXXXXXX
mModule
TRAY PIN 1
BEVEL
PACKAGE IN TRAY LOADING ORIENTATION
COMPONENT
PIN “A1”
LGA Package
21-Lead (6.25mm × 6.25mm × 2.32mm)
(Reference LTC DWG # 05-08-1803 Rev A)
