TLC5902 Datasheet, PDF (9/22 Pages) Texas Instruments – LED DRIVER

TLC5902
LED DRIVER
SLLS382 – DECEMBER 1999
recommended operating conditions (continued)
ac characteristics over recommended ranges of operating free-air temperature,
V_CC(LOG) = V_CC(ANA) = PV_CC = 4.5 V to 5.5 V (unless otherwise noted)
MIN
DCLK clock frequency, f(DCLK)
At single operation
At cascade operation
DCLK pulse duration (high or low level), tw(h)/tw(l)
20
Frequency division ratio 1/1
GSCLK clock frequency, f(GSCLK)
GSCLK pulse duration (high or low level), tw(h)/tw(l)
WDT clock frequency, f(WDT)
WDT pulse duration (high or low level), tw(h)/tw(l)
LAT pulse duration (high or low level), tw(h)
Rise/fall time, tr/tf
Frequency division ratio 1/1, TA = 25°C,
VCCLOG = VCCANA = PVCC = 5 V
75
50
LATCH
50
DINn – DCLK
10
LATCH – DCLK
15
BLANK – GSCLK
20
Setup time, tsu
ENABLE – DCLK
15
LATCH – GSCLK
10
RSEL – DCLK
10
RSEL – LATCH
20
DINn – DCLK
15
LATCH – DCLK
30
Hold time, tn
ENABLE – DCLK
20
RSEL – DCLK
20
RSEL – LATCH
20
TYP MAX
15
10
4
8
5
100
UNIT
MHz
ns
MHz
MHz
ns
MHz
ns
ns
ns
ns
ns
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