TLC5903

LED DRIVER

SLLS383 – DECEMBER 1999

9

POST OFFICE BOX 655303

recommended operating conditions (continued)

ac characteristics over recommended ranges of operating free-air temperature,

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

DCLK clock frequency f(DCLK)

At single operation

15

MHz

DCLK clock frequency, f(DCLK)

At cascade operation

10

MHz

DCLK pulse duration (high or low level), tw(h)/tw(l)

20

ns

Frequency division ratio 1/1

8

MHz

GSCLK clock frequency, f(GSCLK)

Frequency division ratio 1/1, TA = 25°C,

VCC(LOG) = VCC(ANA) = PVCC = 5 V

15

MHz

GSCLK pulse duration (high or low level), tw(h)/tw(l)

50

ns

WDT clock frequency, f(WDT)

5

MHz

WDT pulse duration (high or low level), tw(h)/tw(l)

50

ns

LAT pulse duration (high or low level) tw(h)

LATCH

50

ns

Rise/fall time, tr/tf

100

ns

DINn – DCLK

10

DINn

DCLK

LATCH – DCLK

10

15

BLANK – GSCLK

20

Setup time, tsu

ENABLE – DCLK

15

ns

, su

LATCH – GSCLK

10

RSEL – DCLK

10

RSEL – LATCH

20

DINn – DCLK

15

DINn

DCLK

LATCH – DCLK

15

30

Hold time, tn

ENABLE – DCLK

20

ns

, n

RSEL – DCLK

20

RSEL – LATCH

20