05-08-1812

WP Package
64-Lead QFN Multipad (9mm × 9mm)
(Reference LTC DWG # 05-08-1812 Rev C)
SEATING PLANE
A
9.00
BSC
1.39
0.00 – 0.05
1.19
0.20 REF
49 50 51 52 53 54
3.30
0.50
64
0.30 – 0.50
B
1.92
2.01
PAD 1
CORNER
0.53
(2x)
48
1.17
3.06
3.50
0.87
1
0.30
(2x)
2.98
0.95
bbb M C A B
5
9.00
BSC
1.30
4.10
3.99
2.04
33
16
17
32
aaa C 2x
TOP VIEW
0.90 0.10
// ccc C
0.20 – 0.30
NX
0.08 C
1.42
WP64 QFN REV C 0911
3.85
BOTTOM VIEW
(BOTTOM METALLIZATION DETAILS)
6
3.30
0.50
1.81
3.30
NX b
aaa C 2x
3.60
4.53
1.39
54
1.19
51
54
51
0.30 – 0.50
PIN 1
0.87
3.50
0.53
(2x)
3.06
0.68 × 0.68 (4×)
0.78 × 0.78 (15×)
0.3 × 1.2
(2×)
0.95
3.60
2.04
2.01
0.30
(2x)
2.98
1.81
1.92
1.17
NOTE:
1. DIMENSIONING AND TOLERANCING CONFORM TO ASME Y14.5M-1994
2. ALL DIMENSIONS ARE IN MILLIMETERS, ANGLES ARE IN DEGREES ()
3. N IS THE TOTAL NUMBER OF TERMINALS
4. THE LOCATION OF THE TERMINAL #1 IDENTIFIER AND TERMINAL NUMBERING
CONVENTION CONFORMS TO JEDEC PUBLICATION 95 SPP-002
5
DIMENSION b APPLIES TO METALLIZED TERMINAL AND IS MEASURED
BETWEEN 0.15mm AND 0.30mm FROM THE TERMINAL TIP.
6
COPLANARITY APPLIES TO THE TERMINALS AND ALL OTHER SURFACE
METALLIZATION
4.53
1.30
4.10
2.30
0.85 × 0.85 (8×)
3.30
0.8 × 0.8 (8×)
3.99
SYMBOL TOLERANCE
aaa
0.15
bbb
0.10
ccc
0.10
7. PAD LAYOUT AND STENCIL LAYOUT AS GUIDE LINE ONLY. DRAWING NOT TO SCALE
3.85
1.42
0.20 – 0.30
RECOMMENDED SOLDER PAD LAYOUT, NOTE 7
TOP VIEW
RECOMMENDED STENCIL DESIGN
(SAME DIMENSIONS AS PAD LAYOUT, NOTE 7)