©2009 CADEKA Microcircuits LLC

www.cadeka.com

28

PRELIMINARY Data Sheet

Mechanical Dimensions

QFN-64

A

A2

A3

A1

1

1.14

D

D1

E

E1

1.14

Pin 1 ID

Dia. 0.20

Pin 1 ID

0.05 Dia.

seating

plane

0.45

G

L

L

b

e

D2

E2

A

C

B

aaa C A

ccc C

bbb C A

aaa C B

bbb C B

F

0.10 M C

B

A

NOTES:

1. All dimensions are in millimeters.

2. Die thickness allowable is 0.305mm maximum (.012 inches maximum)

3. Dimensioning & tolerances conform to ASME y14.5m. -1994.

4. Dimension applies to plated terminal and is measured between 0.20 and 0.25mm from terminal tip.

5. The pin #1 identifier must be placed on the top surface of the package by using indentation mark

or other feature of package body.

6. Exact shape and size of this feature is optional.

7. Package warpage max 0.08mm.

8. Applied for exposed pad and terminals. Exclude embedding part of exposed pad from measuring.

9. Applied only to terminals.

10. Package corners unless otherwise specipied are r0.175±0.025mm.

TOP VIEW

BOTTOM VIEW

SIDE VIEW

Inches

Millimeters

Symbol

Min

Typ

Max

Min

Typ

Max

A

–

–

0.035

–

–

0.9

0.00

0.0004

0.002

0.00

0.01

0.05

–

0.026

0.028

–

0.65

0.7

0.008 REF

0.2 REF

b

0.008

0.010

0.012

0.2

0.25

0.30

D

0.354 BSC

9.00 BSC

0.354 BSC

8.75 BSC

0.197

0.205

0.213

5.0

5.2

5.4

E

0.354 BSC

9.00 BSC

0.344 BSC

8.75 BSC

0.197

0.205

0.213

5.0

5.2

5.4

F

0.05

–

–

1.3

–

–

G

0.0096

0.0168

0.024

0.24

0.42

0.6

L

0.012

0.016

0.020

0.3

0.4

0.5

e

0.020 BSC

0.50 BSC

1

0°

–

12°

0°

–

12°

Tolerance of Form and Position

aaa

0.10

0.004

bbb

0.10

0.004

ccc

0.05

0.002