TLC5904 Datasheet, PDF (25/27 Pages) Texas Instruments – LED DRIVER

XLATCH
BLANK
GSCLK
1/fWDT
tsu (XLATCH–GSCLK)
tsu (BLANK–GSCLK)
td (BLANK–OUT0)
1/fGSCLK
twl (GSCLK)
twh (GSCLK)
WDTRG
twl (WDTRG)
OUT0
OUT1
twh (WDTRG)
td (BLANK–OUT0)
OFF
td (OUTn+1–OUTn)
OFF
td (GSCLK–OUT0)
td (GSCLK–OUT0)
ON(Note A)
OFF
(Note A)
ON(Note A)
td (OUTn+1–OUTn)
OFF
(Note A)
twdt
OFF (Note A)
OFF
(Note A)
OUT15
XDOWN1
XDOWN2
BOUT
GSOUT
td (GSCLK–XDOWN2)
td (BLANK–BOUT)
td (GSCLK–GSOUT)
OFF
ON(Note A)
O...F..F.
(Note A)
OFF ^{(Note A)}
NOTE A: ON or OFF, or ON time is varied dpend on the gray scale data and BLANK.
HI–Z
(Note B)
(Note B)
NOTE B: LED disconnection
Figure 12. Timing Diagram (Constant Current Output)