DM115B

點晶科技股份有限公司

SILICON TOUCH TECHNOLOGY INC.

8-BIT CONSTANT CURRENT LED DRIVERS with 3.3V~5V supply voltage

Version:A.001

Page 9

Timing Diagram

1. CLOCK-SERIAL OUT, OUTn

2. CLOCK-LATCH

3. ENABLE-OUTn (Current)

50%

50%

50%

50%

OUTn

ENABLE

50%

“L” level = DATA HOLD

SERIAL-IN

LATCH

CLOCK

50%

50%

50%

50%

90%

50%

50%

10%

10%

50%

90%

SERIAL-IN

OUTn (current)

CLOCK

90%

50%

10%

10%

50%

90%

SERIAL-OUT

50%

50%