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SILICON TOUCH TECHNOLOGY INC

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8-bit Constant Current LED Driver with Error Detection

Version:A.002

Page 3

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DM11C

Pin Connection

Pin Description

PIN No.

PIN NAME

FUNCTION

1

SOP16/TSSOP16: exposed pad

GND

Ground terminal.

2

DAI

Serial data input terminal.

3

DCK

Synchronous clock input terminal for serial data transfer. Data is

sampled at the rising edge of DCK.

4

LAT

Input terminal of data strobe. Data on shift register goes through

at the rising edge of LAT (edge trigger). Otherwise, data is

latched.

5~12

OUT0~7

Sink constant-current outputs (open-drain).

13

EN

Output enable terminal:

‘H’ for all outputs are turned off ,

‘L’ for all outputs are active.

14

DAO

Serial data output terminal.

15

REXT

External resistors connected between REXT and GND for output

current value setting.

16

VCC

Supply voltage terminal.