
MAX6983
16-Port, 36V Constant-Current LED Driver with
LED Fault Detection and Watchdog
_______________________________________________________________________________________ 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 C
DOUT
= 10pF, 20% to 80% 10 ns
LE Setup Time t
LS
10 ns
LE Rising to OUT_ Rising Delay t
LRR
(Note 3) 100 ns
LE Rising to OUT_ Falling Delay t
LRF
(Note 3) 300 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) 320 ns
LED Output OUT_ Turn-On Fall
Time
t
f
80% to 20%; pullup resistor = 65Ω (Note 3) 120 ns
LED Output OUT_ Turn-Off Rise
Time
t
r
20% to 80%; pullup resistor = 65Ω (Note 3) 120 ns
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