REVISION HISTORY
DESCRIPTION
REVISION
DATE
7/16/04
11/30/04
RELEASED BY
S.K.ILIEV
D
D2
A
B
INITIAL RELEASE
e
D1
TERMINAL #1
IDENTIFIER AREA
(D/2 X E/2)
DELETE THE "PRELIMINARY" SIGN
S.K.ILIEV
3
3-D VIEW ADDED. D2/E2 WAS 1.25-5.80 NOW - SEE TABLE.
L(MAX) WAS 0.75 NOW IS 0.50
C
D
7/14/05
2/23/06
S.K.ILIEV
S.K.ILIEV
PCB FOOTPRINT AND EMC4001 IN D2/E2 TABLE ADDED
3
TERMINAL #1
IDENTIFIER AREA
(D1/2 X E1/2)
E1
E
E2
2
EXPOSED PAD
48X L
4X 45°X0.6MAX (OPTIONAL)
48X b
2
TOP VIEW
BOTTOM VIEW
D2/E2 VARIATIONS
MIN
3.95
NOM
4.10
MAX NOTE
4.25
CATALOG PART #
USB2503, USB2503A & EMC4001
2
COMMON DIMENSIONS
SYMBOL
MIN
0.70
0
NOM
MAX
1.00
0.05
0.90
7.15
6.95
NOTE
REMARK
OVERALL PACKAGE HEIGHT
STANDOFF
A
A1
-
0.02
-
-
-
A2
A
A1
A2
-
-
MOLD CAP THICKNESS
X/Y BODY SIZE
D/E
D1/E1
D2/E2
L
6.85
6.55
7.00
-
-
SIDE VIEW
3-D VIEWS
-
X/Y MOLD CAP SIZE
X/Y EXPOSED PAD SIZE
TERMINAL LENGTH
TERMINAL WIDTH
TERMINAL PITCH
SEE VARIATIONS
2
-
0.30
0.18
-
0.50
0.30
GD
D2'
b
0.25
2
-
Y
X
e
0.50 BSC
NOTES:
1. ALL DIMENSIONS ARE IN MILLIMETER.
FULL RADIUS IS OPTIONAL
2. POSITION TOLERANCE OF EACH TERMINAL AND EXPOSED PAD IS 0.05mm AT
MAXIMUM MATERIAL CONDITION. DIMENSIONS "b" APPLIES TO PLATED TERMINALS
AND IT IS MEASURED BETWEEN 0.15 AND 0.30 mm FROM THE TERMINAL TIP.
3. DETAILS OF TERMINAL #1 IDENTIFIER ARE OPTIONAL BUT MUST BE LOCATED WITHIN
THE AREA INDICATED.
GE E2'
e
LAND PATTERN DIMENSIONS
UNLESS OTHERWISE SPECIFIED
DIMENSIONS ARE IN MILLIMETERS
AND TOLERANCES ARE:
THIRD ANGLE PROJECTION
SYMBOL
MIN
NOM
MAX
-
TM
80 ARKAY DRIVE
HAUPPAUGE, NY 11788, USA
www.smsc.com
GD/GE
5.93
-
4.10
-
DECIMAL
ANGULAR
1°
S U C C E S S B Y D E S I G N
X.X
0.1
0.05
D2'/E2'
-
-
-
-
X.XX
X.XXX 0.025
X
Y
e
0.28
0.69
TITLE
INTERPRET DIM AND TOL PER
ASME Y14.5M 1994
NAME
DRAWN
DATE
-
-
THE USER MAY MODIFY THE PCB LAND PATTERN DIMENSIONS
BASED ON THEIR EXPERIENCE AND/OR PROCESS CAPABILITY
PACKAGE OUTLINE
48 TERMINAL QFN, 7x7mm BODY, 0.5mm PITCH
MATERIAL
0.50
IC PLASTIC PKG
S.K.ILIEV
6/15/04
7/14/04
7/16/04
FINISH
CHECKED
DWG NUMBER
REV
-
S.K.ILIEV
D
MO-48QFN-7x7
STD COMPLIANCE
RECOMMENDED PCB LAND PATTERN
APPROVED
SCALE
1:1
SHEET
PRINT WITH "SCALE TO FIT"
DO NOT SCALE DRAWING
S.K.ILIEV
JEDEC: MO-220
1 OF 1
Figure 7.2 48-Pin QFN, 7x7mm Body, 0.5mm Pitch
SMSC [ SMSC CORPORATION ]
