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 23

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DM634

Package Outline Dimension

DM634-TSSOP (exposed pad)

SYMBOLS

DIMENSIONS IN INCH

DIMENSIONS IN MM

A

-

-

0.047

-

-

1.200

A1

0.000

-

0.006

0.000

-

0.150

A2

0.031

0.039

0.041

0.800

1.000

1.050

b

0.007

-

0.012

0.190

-

0.300

D

0.303

0.307

0.311

7.700

7.800

7.900

E1

0.169

0.173

0.177

4.300

4.400

4.500

E

0.252 BSC

6.400 BSC

e

0.0256 BSC

0.650 BSC

L1

0.039 REF

1.000 REF

L

0.018

0.024

0.030

0.450

0.600

0.750

S

0.008

-

-

0.200

-

-

θ°

0

-

8

0

-

8

PAD SIZE

(112×18E)

E2

0.090

-

0.112

2.280

-

2.850

D1

0.146

-

0.182

3.700

-

4.620

61cm