Datasheet

MAX6970
8-Port, 36V Constant-Current LED Driver
_______________________________________________________________________________________ 3
5V TIMING CHARACTERISTICS
(Typical Operating Circuit, V+ = 4.5V to 5.5V, T
A
= T
MIN
to T
MAX
, unless otherwise noted.) (Notes 1, 2)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
CLK Clock Period t
CP
40 ns
CLK Pulse-Width High t
CH
19 ns
CLK Pulse-Width Low t
CL
19 ns
DIN Setup Time t
DS
4ns
DIN Hold Time t
DH
8ns
DOUT Propagation Delay t
DO
12 32 ns
DOUT Rise and Fall Time
t
DR
, t
DF
C
DOUT
= 10pF, 20% to 80% 10 ns
LE Pulse-Width High t
LW
20 ns
LE Setup Time t
LS
15 ns
LE Rising to OUT_ Rising Delay t
LRR
(Note 3) 100 ns
LE Rising to OUT_ Falling Delay t
LRF
(Note 3) 280 ns
CLK Rising to OUT_ Rising Delay t
CRR
(Note 3) 100 ns
CLK Rising to OUT_ Falling Delay t
CRF
(Note 3) 310 ns
OE Rising to OUT_ Rising Delay t
OEH
(Note 3) 100 ns
OE Falling to OUT_ Falling Delay t
OEL
(Note 3) 300 ns
LED Output OUT_ Turn-On Fall
Time
t
f
80% to 20% (Note 3) 200 ns
LED Output OUT_ Turn-Off Rise
Time
t
r
20% to 80% (Note 3) 120 ns