© 2007 California Micro Devices Corp. All rights reserved.

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490 N. McCarthy Blvd., Milpitas, CA 95035-5112

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Tel: 408.263.3214

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Fax: 408.263.7846

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www.cmd.com

5/16/07

CM1240

TDFN-08 Mechanical Specifications

Dimensions for the CM1240 supplied in a 8-lead,

0.4mm pitch TDFN package are presented below.

*This package is compliant with JEDEC standard MO-229C with the

exception of the D, D2, E, E2, K and L dimensions as called out in

the table above.

Recommend PCB Land Pattern

Dimensions for 8-Lead, 0.4mm pitch

TDFN package

PACKAGE DIMENSIONS

Package

TDFN

JEDEC

No.

Leads

8

Dim.

Millimeters

Inches

Min

Nom

Max

Min

Nom

Max

A

0.70

0.75

0.80

0.028 0.030 0.031

A1

0.00

0.02

0.05

0.000 0.001 0.002

A3

0.200 REF

0.008 REF

b

0.15

0.20

0.25

0.006 0.008 0.010

D

1.60

1.70

1.80

0.063 0.067 0.071

D2

1.10

1.20

1.30

0.043 0.047 0.051

E

1.25

1.35

1.45

0.049 0.053 0.057

E2

0.30

0.40

0.50

0.012 0.016 0.020

e

0.40 BSC

0.016 BSC

K

0.20

0.008

L

0.15

0.25

0.35

0.006 0.010 0.014

# per

tape and

reel

3000 pieces

Controlling dimension: millimeters

0.70

0.40

Note: Dimensions in millimeters. Drawing not to scale.

0.30

Mechanical Package Diagrams

BOTTOM VIEW

A

A3

A1

0.10 C

0.08 C

SIDE VIEW

b

L

0.10

C A B

M

8X

D2

E2

e

GND

K

7

8

12

3

6

Pin 1

C0.2

4

5

Locator

TOP VIEW

D

Pin 1

Marking

4

3

2

1

5

7

8

6

PAD

Mechanical Details (cont’d)