485BY

MECHANICAL CASE OUTLINE
PACKAGE DIMENSIONS
QFN44 7x7, 0.5P
CASE 485BY
ISSUE O
1 44
SCALE 2:1
PIN 1
REFERENCE
D
L
A B
ÇÇÇÇ
ÇÇÇÇ
ÇÇÇÇ
L
DETAIL A
ALTERNATE
CONSTRUCTIONS
E
EXPOSED Cu
TOP VIEW
DIM
A
A1
A3
b
D
D2
E
E2
e
K
L
L1
ÉÉ
ÉÉ
MOLD CMPD
DETAIL B
ALTERNATE
CONSTRUCTION
(A3)
DETAIL B
0.05 C
NOTES:
1. DIMENSIONS AND TOLERANCING PER ASME
Y14.5M, 1994.
2. CONTROLLING DIMENSION: MILLIMETERS.
3. DIMENSION b APPLIES TO THE PLATED
TERMINAL AND IS MEASURED ABETWEEN
0.15 AND 0.30 MM FROM TERMINAL TIP.
4. COPLANARITY APPLIES TO THE EXPOSED
PAD AS WELL AS THE TERMINALS.
L1
0.15 C
0.15 C
DATE 16 SEP 2011
A
0.08 C
A1
NOTE 4
C
SIDE VIEW
MILLIMETERS
MIN
MAX
0.80
0.90
−−−
0.05
0.20 REF
0.20
0.30
7.00 BSC
4.60
4.80
7.00 BSC
4.60
4.80
0.50 BSC
0.20
−−−
0.45
0.65
−−−
0.15
GENERIC
MARKING DIAGRAM*
SEATING
PLANE
1
0.10
M
C A B
XXXXXXXXX
XXXXXXXXX
AWLYYWWG
D2
DETAIL A
K
12
0.10
23
11
M
C A B
E2
1
33
44
44X
L
34
e
BOTTOM VIEW
44X
b
0.10
M
C A B
0.05
M
C
NOTE 3
A
= Assembly Location
WL = Wafer Lot
YY = Year
WW = Work Week
G = Pb−Free Package
*This information is generic. Please refer to
device data sheet for actual part marking.
Pb−Free indicator, “G” or microdot “ G”,
may or may not be present.
SOLDERING FOOTPRINT*
2X
44X
0.82
4.90
1
2X
0.50
PITCH
7.30
44X
0.30
DIMENSIONS: MILLIMETERS
*For additional information on our Pb−Free strategy and soldering
details, please download the ON Semiconductor Soldering and
Mounting Techniques Reference Manual, SOLDERRM/D.
DOCUMENT NUMBER:
98AON59317E
Electronic versions are uncontrolled except when
accessed directly from the Document Repository. Printed
STATUS: ON SEMICONDUCTOR STANDARD
versions are uncontrolled except when stamped
“CONTROLLED COPY” in red.
NEW STANDARD:
© Semiconductor Components Industries, LLC, 2002
Case Outline Number:
http://onsemi.com
QFN44 7X7, 0.50P
DESCRIPTION:
October, 2002
− Rev. 0
PAGE 1 OFXXX
2
1
DOCUMENT NUMBER:
98AON59317E
PAGE 2 OF 2
ISSUE
O
REVISION
RELEASED FOR PRODUCTION. REQ. E. BLANSAER.
DATE
16 SEP 2011
ON Semiconductor and
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© Semiconductor Components Industries, LLC, 2011
September, 2011 − Rev. O
Case Outline Number:
485BY
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