TLC5973 Datasheet, PDF (8/34 Pages) Texas Instruments – TLC5973 3-Channel, 12-Bit, PWM Constant-Current LED Driver with Single-Wire Interface (EasySet)

TLC5973
SBVS225B – MARCH 2013 – REVISED MAY 2014
7.3 Timing Diagrams
t_WH, t_WL
t_H0, t_H1
(1)
SDI
50%
t_{W H}
48th Data
SDI⁽¹⁾ _50%
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V_CC
GND
t_{W L}
1st Data of Next Device (t_H0 case) or
1st Data of Next Sequence (t_H1 case).
V_CC
t_H0, t_H1
(1) Input pulse rise and fall time is 1 ns to 3 ns.
Figure 9. Input Timing
t_R0, t_F0, t_D0, t_{W 0}
(1)
SDI
50%
t_D0
t_W0
90%
SDO 50%
10%
t_R0
t_F0
t_R1, t_F1, t_D1
OUTn 50%
t_D1
t_D1
90%
OUTn + 1
50%
10%
t_F1
t_R1
(1) Input pulse rise and fall time is 1 ns to 3 ns.
Figure 10. Output Timing
GND
V_CC
GND
V_OH
V_OL
V_OUTnH
V_OUTnL
V_OUTnH
V_OUTnL
8
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