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HT1668 Scheda tecnica(PDF) 7 Page - ARTSCHIP ELECTRONICS CO.,LMITED.

Il numero della parte HT1668
Spiegazioni elettronici  LED Driver IC
PDF  12 Pages
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Produttore elettronici  ARTSCHIP [ARTSCHIP ELECTRONICS CO.,LMITED.]
Homepage  http://www.artschip.com/
Logo ARTSCHIP - ARTSCHIP ELECTRONICS CO.,LMITED.

HT1668 Scheda tecnica(HTML) 7 Page - ARTSCHIP ELECTRONICS CO.,LMITED.

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pin, therefore, it is highly recommended that an external pull-up resistor (1 KOhms to 10 KOhms) must be connected to DOUT.
RECEPTION (Data/Command Write)
b0
b1
b2
b6
b7
12
3
7
8
If data continues
STB
DIN
CLK
TRANSMISSION (Data Read)
1234
567
8
12
3456
Data Read Command is set
Data Reading Starts
twait
STB
DIN
CLK
DOUT
b0 b1 b2 b3 b4 b5 b6 b7
b0 b1 b2 b3 b4 b5
where: twait (waiting time) ≥ 1μs
It must be noted that when the data is read, the waiting time (twait ) between the rising of the eighth clock that has set the
command and the falling of the first clock that has read the data is greater or equal to 1μs.
SWITCHING CHARACTERISTIC WAVEFORM
HT1668 Switching Characteristics Waveform is given below.
STB
CLK
PW
setup
hold
t
t
PW
CLK
PW
t CLK-STB
tt
t
t
tt
TZH
THZ
TZL
TLZ
PZL
PLZ
OSC
STB
CLK
fosc
50%
90%
10%
10%
90%
DIN
DOUT
Gn
Sn
LED Driver IC
HT1668
www.artschip.com
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