USB2503 datasheet(46/46 Pages) SMSC

46 / 46 page

Figure 7.2 48-Pin QFN, 7x7mm Body, 0.5mm Pitch

RECOMMENDED PCB LAND PATTERN

LAND PATTERN DIMENSIONS

SYMBOL

MIN

NOM

MAX

GD/GE

5.93

D2'/E2'

4.10

X-

0.28

Y-

0.69

e0.50

THE USER MAY MODIFY THE PCB LAND PATTERN DIMENSIONS

BASED ON THEIR EXPERIENCE AND/OR PROCESS CAPABILITY

COMMON DIMENSIONS

SYMBOL

MIN

NOM

MAX

NOTE

REMARK

0.70

1.00

OVERALL PACKAGE HEIGHT

0.02

0.05

-STANDOFF

0.90

MOLD CAP THICKNESS

D/E

6.85

7.00

7.15

X/Y BODY SIZE

D1/E1

6.55

6.95

X/Y MOLD CAP SIZE

D2/E2

SEE VARIATIONS

X/Y EXPOSED PAD SIZE

0.30

0.50

-TERMINAL LENGTH

0.18

0.25

0.30

TERMINAL WIDTH

0.50 BSC

TERMINAL PITCH

SIDE VIEW

3-D VIEWS

TOP VIEW

BOTTOM VIEW

NOTES:

1. ALL DIMENSIONS ARE IN MILLIMETER.

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.

TERMINAL #1

IDENTIFIER AREA

(D1/2 X E1/2)

48X b

48X L

TERMINAL #1

IDENTIFIER AREA

(D/2 X E/2)

EXPOSED PAD

4X 45°X0.6MAX (OPTIONAL)

D2/E2 VARIATIONS

MIN

NOM

MAX

NOTE

CATALOG PART #

3.95

4.10

4.25

USB2503, USB2503A & EMC4001

PCB FOOTPRINT AND EMC4001 IN D2/E2 TABLE ADDED

2/23/06

S.K.ILIEV

FULL RADIUS IS OPTIONAL

D2'

E2'

DELETE THE "PRELIMINARY" SIGN

11/30/04

S.K.ILIEV

3-D VIEW ADDED. D2/E2 WAS 1.25-5.80 NOW - SEE TABLE.

7/14/05

S.K.ILIEV

L(MAX) WAS 0.75 NOW IS 0.50

STD COMPLIANCE

INTERPRET DIM AND TOL PER

ASME Y14.5M - 1994

DWG NUMBER

PRINT WITH "SCALE TO FIT"

DO NOT SCALE DRAWING

MATERIAL

FINISH

APPROVED

CHECKED

DRAWN

SCALE

SHEET

REV

ANGULAR

UNLESS OTHERWISE SPECIFIED

DIMENSIONS ARE IN MILLIMETERS

AND TOLERANCES ARE:

DECIMAL

X.X

X.XX

X.XXX

THIRD ANGLE PROJECTION

NAME

DATE

TITLE

REVISION

DATE

DESCRIPTION

REVISION HISTORY

RELEASED BY

S U C C E S S

B Y D E S I G N

80 ARKAY DRIVE

HAUPPAUGE, NY 11788, USA

www.smsc.com

IC PLASTIC PKG

S.K.ILIEV

7/16/04

7/14/04

6/15/04

1:1

JEDEC: MO-220

1 OF 1

MO-48QFN-7x7

PACKAGE OUTLINE

48 TERMINAL QFN, 7x7mm BODY, 0.5mm PITCH

INITIAL RELEASE

7/16/04

S.K.ILIEV

±1°

±0.1

±0.05

±0.025

USB2503 数据表(PDF) 46 Page - SMSC Corporation

USB2503 数据表(HTML) 46 Page - SMSC Corporation

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USB2503 数据表(PDF) 46 Page - SMSC Corporation

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