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参数资料
| 型号： | DM115 |
| 厂商： | Electronic Theatre Controls, Inc. |
| 元件分类： | LED驱动器 |
| 英文描述： | 8-Bit CONSTANT CURRENT LED DRIVERS with 3.3v ~ 5v supply voltage |
| 中文描述： | 8位恒流LED驱动与3.3V?5V电源电压 |
| 文件页数： | 12/17页 |
| 文件大小： | 232K |
| 代理商： | DM115 |
DM114
、DM115
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.002
Page 3
Preliminary
Timing Diagram
(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.
PIN NAME
FUNCTION
1
GND
GND terminal
2
SERIAL-IN
Input terminal of a data shift register
3
CLOCK
Input terminal of a clock for shift register
4
LATCH
Input terminal for data strobe
5~12
OUT0~7
Output terminals
13
ENABLE
Input terminal for output enable (active low)
14
SERIAL-OUT
Output terminal of a data shift register
15
R-EXT
Input terminal of an external resistor
16
VDD
3.3/5V Supply voltage terminal
OUT7
SERIAL-OUT
OUT2
OUT1
OUT0
LATCH
0V
3.3/5V
0V
3.3/5V
SERIAL IN
CLOCK
0V
3.3/5V
Off
0V
Off
On
Off
On
Off
0V
3.3/5V
ENABLE
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