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Y5917 View Datasheet(PDF) - Texas Instruments

Part NameDescriptionManufacturer
Y5917 8-BIT CONSTANT-CURRENT LED SINK DRIVERS TI
Texas Instruments TI
Y5917 Datasheet PDF : 30 Pages
1 2 3 4 5 6 7 8 9 10 Next Last
TLC5916, TLC5917
8-BIT CONSTANT-CURRENT LED SINK DRIVERS
SLVS695A – JUNE 2007 – REVISED MARCH 2008
Timing Diagram
CLK
01 2345 67
OE(ED2) 1
LE(ED1) 0
SDI
OUT0
OUT1
OUT2
OUT3
www.ti.com
off
on
off
on
off
on
off
on
off
OUT7
on
SDO
Don't care
Figure 1. Normal Mode
Truth Table in Normal Mode
CLK
LE(ED1)
H
L
H
X
X
OE(ED2)
L
L
L
L
H
SDI
Dn
Dn + 1
Dn + 2
Dn + 3
Dn + 3
OUT0...OUT7
Dn...Dn – 7
No change
Dn + 2...Dn – 5
Dn + 2...Dn – 5
Off
SDO
Dn – 7
Dn – 6
Dn – 5
Dn – 5
Dn – 5
The signal sequence shown in Figure 2 makes the TLC5916/TLC5917 enter Current Adjust and Error Detection
Mode.
1
2
3
4
5
CLK
OE(ED2) 1
0
1
1
1
LE(ED1) 0
0
0
1
0
Figure 2. Switching to Special Mode
4
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Product Folder Link(s): TLC5916 TLC5917
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