WM8955L
Product Preview
PACKAGE DIMENSIONS
FL: 32 PIN QFN PLASTIC PACKAGE 5
X
5
X
0.9 mm BODY, 0.50 mm LEAD PITCH
DM030.C
SEE DETAIL A
D
CORNER
TIE BAR
D2
B
D2/2
5
25
32
L
1
24
INDEX AREA
(D/2 X E/2)
E2/2
A
E2
E
SEE DETAIL B
17
8
aaa
C
2 X
16 15
9
b
aaa
C
2 X
B
e
TOP VIEW
DETAIL A
ccc
C
(A3)
1
CORNER
TIE BAR
A
0.08
C
1
32x b
C A B
5
M
A1
bbb
C
SEATING PLANE
DETAIL B
EXPOSED
CENTRE
PAD
1
L1
Symbols
Dimensions (mm)
MIN
0.85
0
NOM
0.90
0.02
MAX
1.00
0.05
NOTE
A
A1
A3
b
D
D2
E
E2
e
L
L1
R
K
0.2 REF
0.23
5.00
0.18
4.90
3.2
0.30
5.10
3.4
5.10
3.4
1
2
2
3.3
5.00
4.90
3.2
3.3
0.5 BSC
0.4
0.35
0.45
0.1
1
b(min)/2
0.20
Tolerances of Form andPosition
aaa
bbb
ccc
0.15
0.10
0.10
JEDEC, MO-220, VARIATION VKKD-2
REF:
NOTES:
1. DIMENSION b APPLIED TO METALLIZED TERMINAL AND IS MEASURED BETWEEN 0.25 mm AND 0.30 mm FROM TERMINAL TIP. DIMENSION L1 REPRESENTS TERMINAL PULL BACK FROM
PACKAGE SIDE WALL. MAXIMUM OF 0.1mm IS ACCEPTABLE. WHERE TERMINAL PULL BACK EXISTS, ONLY UPPER HALF OF LEAD IS VISIBLE ON PACKAGE SIDE WALL DUE TO HALF
ETCHING OF LEADFRAME.
2. FALLS WITHIN JEDEC, MO-220 WITH THE EXCEPTION OF D2, E2:
D2,E2: LARGER PAD SIZE CHOSEN WHICH IS JUST OUTSIDE JEDEC SPECIFICATION
3. ALL DIMENSIONS ARE IN MILLIMETRES
4. THIS DRAWING IS SUBJECT TO CHANGE WITHOUT NOTICE.
5. SHAPE AND SIZE OF CORNER TIE BAR MAY VARY WITH PACKAGE TERMINAL COUNT. CORNER TIE BAR IS CONNECTED TO EXPOSED PAD INTERNALLY
Product Preview Rev 0.4 May2003
40
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WOLFSON [ WOLFSON MICROELECTRONICS PLC ]
