DM114 데이터 시트보기 (PDF) - Silicon Touch Technology Inc.

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DM114

8-Bit CONSTANT CURRENT LED DRIVERS

Silicon Touch Technology Inc. 

點晶科技股份有限公司

SILICON TOUCH TECHNOLOGY INC.

Timing Diagram

DM114、DM115

CLOCK

SERIAL IN

LATCH

ENABLE

OUT0

OUT1

OUT2

OUT7

SERIAL-OUT

3.3/5V

0V

3.3/5V

0V

3.3/5V

0V

3.3/5V

0V

Off

On

Off

Off

On

Off

3.3/5V

0V

(Note) Latches are level sensitive (not edge triggered).

LATCH-terminal = H level, latches become transparent; LATCH-terminal = L level, latches hold data.

ENABLE-terminal = H level, all outputs (OUT0~7) are off.

An external resistor is connected between R-EXT and GND for setting up the value of constant current.

SERIAL-OUT changes state on the rising edges of clock.

Pin Description

PIN No.

1

2

3

4

5~12

13

14

15

16

PIN NAME

GND

SERIAL-IN

CLOCK

LATCH

OUT0~7

ENABLE

SERIAL-OUT

R-EXT

VDD

FUNCTION

GND terminal

Input terminal of a data shift register

Input terminal of a clock for shift register

Input terminal for data strobe

Output terminals

Input terminal for output enable (active low)

Output terminal of a data shift register

Input terminal of an external resistor

3.3/5V Supply voltage terminal

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

Preliminary

Version:A.002

Page 3

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