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TLC5925_09 Datasheet, PDF (4/23 Pages) Texas Instruments – LOW-POWER 16-CHANNEL CONSTANT-CURRENT LED SINK DRIVER | |||
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TLC5925
SLVS765 â OCTOBER 2008 .............................................................................................................................................................................................. www.ti.com
Timing Diagram
CLK
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
OE 1
LE 0
SDI
off
OUT0
on
off
OUT1
on
off
OUT2
on
off
OUT3
on
OUT15
SDO
CLK
LE
â
H
â
L
â
H
â
X
â
X
off
on
Don't care
Figure 1. Timing Diagram
Truth Table in Normal Operation
OE
SDI
OUT0...OUT15...OUT15
L
Dn
Dn...Dn â 7...Dn â 15
L
Dn + 1
No change
L
Dn + 2
Dn + 2...Dn â 5...Dn â 13
L
Dn + 3
Dn + 2...Dn â 5...Dn â 13
H
Dn + 3
off
SDO
Dn â 15
Dn â 14
Dn â 13
Dn â 13
Dn â 13
4
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