點晶科技股份有限公司

SILICON TOUCH TECHNOLOGY INC

.

新竹市科學園區展業一路9號7樓之1

9-7F-1, Prosperity RoadⅠ, Hsin-Chu, Taiwan, R.O.C.

Tel：886-3-5645656

Fax：886-3-5645626

16-channel 16-bit PWM Constant Current LED Driver

Version : A.003

Page 21

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DM634

Package Outline Dimension

DM634-SSOP

SYMBOLS

DIMENSIONS IN INCH

DIMENSIONS IN MM

A

0.053

0.064

0.069

1.346

1.626

1.753

A1

0.004

0.006

0.010

0.102

0.152

0.254

A2

-

-

0.059

-

-

1.499

b

0.008

-

0.012

0.203

-

0.305

C

0.007

-

0.010

0.178

-

0.254

D

0.337

0.341

0.344

8.560

8.661

8.738

E

0.228

0.236

0.244

5.791

5.994

6.198

e

0.025 BSC

0.635 BSC

E1

0.150

0.154

0.157

3.810

3.912

3.988

L

0.016

0.025

0.050

0.406

0.635

1.270

L1

0.041 BSC

1.041 BSC

θ°

0

-

8

0

-

8